SLVS160C - FEBRUARY 1997 - REVISED OCTOBER 2002 D Low-Cost Single-Channel High-Speed D D D D D D D TPS2816, TPS2817 TPS2818, TPS2819 DBV PACKAGE (TOP VIEW) MOSFET Driver ICC . . . 15-A Max (TPS2828, TPS2829) 25-ns Max Rise/Fall Times and 40-ns Max Propagation Delay . . . 1-nF Load 2-A Peak Output Current 4-V to 14-V Driver Supply Voltage Range; Internal Regulator Extends Range to 40 V (TPS2816, TPS2817, TPS2818, TPS2819) 5-pin SOT-23 Package -40C to 125C Ambient-Temperature Operating Range Highly Resistant to Latch-ups VDD 1 GND 2 IN 3 5 VCC 4 OUT TPS2828, TPS2829 DBV PACKAGE (TOP VIEW) description The TPS28xx single-channel high-speed MOSFET drivers are capable of delivering peak currents of up to 2 A into highly capacitive loads. High switching speeds (tr and tf = 14 ns typ) are obtained with the use of BiCMOS outputs. Typical threshold switching voltages are 2/3 and 1/3 of VCC. The design inherently minimizes shootthrough current. NC 1 GND 2 IN 3 5 VCC 4 OUT NC - No internal connection A regulator is provided on TPS2816 through TPS2819 devices to allow operation with supply inputs between 14 V and 40 V. The regulator output can be used to power other circuits, provided power dissipation does not exceed package limitations. If the regulator is not required, VDD (the regulator input) should be connected to VCC. The TPS2816 and TPS2817 input circuits include an active pullup circuit to eliminate the need for an external resistor when using open-collector PWM controllers. The TPS2818 and TPS2819 are identical to the TPS2816 and TPS2817, except that the active pullup circuit is omitted. The TPS2828 and TPS2829 are identical to the TPS2818 and TPS2819, except that the internal voltage regulator is omitted, allowing quiescent current to drop to less than 15 A when the inputs are high or low. The TPS28xx series devices are available in 5-pin SOT-23 (DBV) packages and operate over an ambient temperature range of -40_C to 125_C. AVAILABLE OPTIONS PACKAGED DEVICES TA -40C 40C to 125C FUNCTION SOT-23-5 (DBV) CHIP FORM (Y) Inverting driver with active pullup input TPS2816DBV TPS2816Y Noninverting driver with active pullup input TPS2817DBV TPS2817Y Inverting driver TPS2818DBV TPS2818Y Noninverting driver TPS2819DBV TPS2819Y Inverting driver, no regulator TPS2828DBV TPS2828Y Noninverting driver, no regulator TPS2829DBV TPS2829Y The DBV package is available taped and reeled only. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. Copyright 2002, Texas Instruments Incorporated !"# $ %& '# "$ (&)*%"# +"#', +&%#$ % ! # $('%%"#$ (' #-' #' !$ '."$ $# &!'#$ $#"+" + /" "#0, +&%# ( %'$$1 +'$ # '%'$$" *0 %*&+' #'$#1 "** (" "!'#' $, www.ti.com 1 SLVS160C - FEBRUARY 1997 - REVISED OCTOBER 2002 functional block diagram TPS2816, TPS2818 VDD VREG TPS2817, TPS2819 VCC VDD Active Pullup (TPS2816 Only) VREG VCC Active Pullup (TPS2817 Only) OUT IN OUT IN GND GND TPS2828 TPS2829 VCC VCC IN OUT IN GND OUT GND OUTPUT STAGE DIAGRAM INPUT STAGE DIAGRAM VCC VCC Predrive IN To Drive Stage OUT 2 www.ti.com SLVS160C - FEBRUARY 1997 - REVISED OCTOBER 2002 TPS28xxY chip information This chip, when properly assembled, displays characteristics similar to those of the TPS28xx. Thermal compression or ultrasonic bonding may be used on the doped aluminum bonding pads. The chip may be mounted with conductive epoxy or a gold-silicon preform. BONDING PAD ASSIGNMENTS (4) (5) (4) (5) OUT VCC (2) GND TPS2816Y (3) (1) IN VDD 39 TPS2816 through TPS2819 only (2) CHIP THICKNESS: 15 TYPICAL BONDING PADS: 4 x 4 MINIMUM TJ max = 150C TOLERANCES ARE 10%. (1) (3) ALL DIMENSIONS ARE IN MILS. 39 Terminal Functions TPS2816, TPS2818, TPS2828 (inverting driver) TERMINAL NAME DESCRIPTION NO. VDD GND 1 Regulator supply voltage input. (Not connected on TPS2828) 2 Ground IN 3 Driver input. OUT 4 Driver output, OUT = IN VCC 5 Driver supply voltage/regulator output voltage TPS2817, TPS2819, TPS2829 (noninverting driver) TERMINAL NAME DESCRIPTION NO. VDD GND 1 Regulator supply voltage input. (Not connected on TPS2829) 2 Ground IN 3 Driver input. OUT 4 Driver output, OUT= IN VCC 5 Driver supply voltage/regulator output voltage www.ti.com 3 SLVS160C - FEBRUARY 1997 - REVISED OCTOBER 2002 DISSIPATION RATING TABLE PACKAGE TA 25C POWER RATING DERATING FACTOR ABOVE TA = 25C TA = 70C POWER RATING TA = 80C POWER RATING DBV 437 mW 3.5 mW/C 280 mW 227 mW These dissipation ratings are based upon EIA specification JESD51-3, "Low Effective Thermal Conductivity Test Board for Leaded Surface Mount Packages," in tests conducted in a zero-airflow, wind tunnel environment. absolute maximum ratings over operating temperature range (unless otherwise noted) Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 V to 15 V Regulator supply voltage range, VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VCC -0.3 V to 42 V Input voltage range, IN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 V to VCC +0.5 V Output voltage range, (pin 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5 V to VCC +0.5 V Continuous regulator output current, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 mA Continuous output current, OUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 mA Continuous total power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Dissipation Rating Table Operating ambient temperature range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40C to 125C Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65C to 150C Lead temperature 1,6 mm (1/16inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260C Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTE 1: All voltages are with respect to device GND terminal. recommended operating conditions MIN MAX Regulator input voltage range, VDD, TPS2816 through TPS2819 8 40 V Supply voltage, VCC 4 14 V -0.3 0 VCC 20 mA -40 125 _C Input voltage, IN Continuous regulator output current, ICC Operating ambient temperature range, TA 4 www.ti.com UNIT V SLVS160C - FEBRUARY 1997 - REVISED OCTOBER 2002 TPS28xx electrical characteristics over recommended operating ambient temperature range, VCC = 10 V, VDD tied to VCC, CL = 1 nF (unless otherwise specified) Inputs PARAMETER TEST CONDITIONS MIN VCC = 5 V VCC = 10 V Positive-going Positive going input in ut threshold voltage VCC = 14 V VCC = 5 V VCC = 10 V VCC = 14 V Negative-going input Negative going in ut threshold voltage Input current, current TPS2816/17 MAX 3.3 4 6.6 7 9.3 10 1 1.7 2 3.3 2.5 4.6 Input voltage hysteresis Input current, TPS2818/19/28/29 TYP UNIT V V 1.3 V Input = 0 V or VCC 0.2 A Input = 0 V 650 Input = VCC A A 15 Input capacitance Typicals are for TA = 25C unless otherwise noted. 5 10 MIN TYP MAX 9.75 9.9 8 9.1 pF outputs PARAMETER TEST CONDITIONS IO = -1 mA IO = -100 mA Hi h l l output t t voltage lt High-level IO = 1 mA Lo le el o Low-level output tp t voltage oltage V 0.18 0.25 1 2 MIN TYP MAX 10 11.5 13 IO = 100 mA UNIT V Typicals are for TA = 25C unless otherwise noted. regulator, TPS2816 through TPS2819 PARAMETER TEST CONDITIONS O tp t voltage Output oltage 14 VDD 40 V, 0 IO 20 mA Output voltage in dropout IO = 10 mA, VDD = 10 V 8 10 UNIT V V Typicals are for TA = 25C unless otherwise noted. supply current PARAMETER TEST CONDITIONS TPS2816, TPS2817 Supply current into VCC TPS2818, TPS2819 TPS2828, TPS2829 Supply current into VDD MIN TYP MAX IN = high = 10 V 150 250 IN = low = 0 V 650 1000 25 50 0.1 15 IN = high or low, High = 10 V, Low = 0 V TPS2816, TPS2817 VDD = 20 V, IN = high = 10 V or low = 0 V 650 1000 TPS2818, TPS2819 VDD = 20 V, IN = high = 10 V or low = 0 V 50 150 UNIT A A Typicals are for TA = 25C unless otherwise noted. www.ti.com 5 SLVS160C - FEBRUARY 1997 - REVISED OCTOBER 2002 TPS28xxY electrical characteristics at TA = 25_C, VCC = 10 V, VDD tied to VCC, CL = 1 nF (unless otherwise specified) Inputs PARAMETER TEST CONDITIONS Positive-going Positive going input in ut threshold voltage Negative-going input Negative going in ut threshold voltage MIN VCC = 5 V VCC = 10 V VCC = 14 V 3.3 VCC = 5 V VCC = 10 V 1.7 VCC = 14 V 4.6 Input current, current TPS2816/17 MAX 6.6 UNIT V 9.3 3.3 Input voltage hysteresis Input current, TPS2818/19/28/29 TYP V 1.3 V Input = 0 V or VCC 0.2 A Input = 0 V 650 Input = VCC A A 15 Input resistance Input capacitance 1000 M 5 pF outputs PARAMETER TEST CONDITIONS MIN IO = -1 mA IO = -100 mA Hi h l High-level l output t t voltage lt MAX UNIT 9.9 V 9.1 IO = 1 mA Low level output voltage Low-level TYP 0.18 IO = 100 mA V 1 regulator, TPS2816 through TPS2819 PARAMETER TEST CONDITIONS Output voltage 14 VDD 40 V, 0 IO 20 mA Output voltage in dropout IO = 10 mA, VDD = 10 V MIN TYP MAX UNIT 11.5 V 9 V supply current PARAMETER TEST CONDITIONS TPS2816, TPS2817 Supply current into VCC TPS2818, TPS2819 TPS2828, TPS2829 Supply current into VDD 6 MIN TYP IN = high = 10 V 150 IN = low = 0 V 650 IN = high or low, High = 10 V, Low = 0 V 25 UNIT A 0.1 TPS2816, TPS2817 VDD = 20 V, IN = high = 10 V or low = 0 V 650 TPS2818, TPS2819 VDD = 20 V, IN = high = 10 V or low = 0 V 50 www.ti.com MAX A SLVS160C - FEBRUARY 1997 - REVISED OCTOBER 2002 switching characteristics for all devices over recommended operating ambient temperature range, VCC = 10 V, VDD tied to VCC, CL = 1 nF (unless otherwise specified) PARAMETER TEST CONDITIONS MIN TYP VCC = 14 V tr tf tPHL tPLH 14 Propagation g delay y time,, high-to-low-level g output 35 VCC = 14 V 25 14 30 VCC = 5 V 35 VCC = 14 V 40 24 VCC = 10 V Propagation g delay y time,, low-to-high-level g output 30 VCC = 5 V VCC = 10 V Fall time UNIT 25 VCC = 10 V Rise time MAX 45 VCC = 5 V 50 VCC = 14 V 40 24 VCC = 10 V VCC = 5 V 45 ns ns ns ns 50 PARAMETER MEASUREMENT INFORMATION 50% IN 50% 0V tf 90% OUT 50% 10% tr 90% 50% 10% tPHL 0V tPLH Figure 1. Typical Timing Diagram (TPS2816) www.ti.com 7 SLVS160C - FEBRUARY 1997 - REVISED OCTOBER 2002 PARAMETER MEASUREMENT INFORMATION TPS2816 1 5 Regulator 0.1 F 10 V + 4.7 F 2 3 4 Output Input 50 1 nF Figure 2. Switching Time Test Setup TPS2816 VCC 0-10 Vdc Current Loop OUT 10 V 0.1 F + 4.7 F Figure 3. Shoot-Through Current Test Setup 8 www.ti.com SLVS160C - FEBRUARY 1997 - REVISED OCTOBER 2002 TYPICAL CHARACTERISTICS Table of Graphs FIGURE Rise time vs Supply voltage 4 Fall time vs Supply voltage 5 Propagation time (L>H) vs Supply voltage 6 Propagation Time (H>L) vs Supply voltage 7 Rise time vs Ambient temperature 8 Fall time vs Ambient temperature 9 Propagation time (L>H) vs Supply voltage 10 Propagation time (H>L) vs Ambient temperature 11 Supply current (VCC) vs Supply voltage 12 Supply current (VCC) vs Load capacitance 13 Supply current (VCC) vs Ambient temperature 14 Input threshold voltage vs Supply voltage 15 Regulator output voltage vs Regulator supply voltage 16 Regulator quiescent current vs Regulator supply voltage 17 Shoot-through current vs Input voltage (L>H) 18 Shoot-through current vs Input voltage (H>L) 19 www.ti.com 9 SLVS160C - FEBRUARY 1997 - REVISED OCTOBER 2002 TYPICAL CHARACTERISTICS FALL TIME vs SUPPLY VOLTAGE RISE TIME vs SUPPLY VOLTAGE 30 35 TA = 25C TA = 25C 30 25 CL = 2200 pF CL = 2200 pF t f - Fall Time - ns t r - Rise Time - ns 25 20 15 CL = 1000 pF 20 15 10 CL = 1000 pF 10 5 5 CL = 0 CL = 0 0 0 4 6 12 8 10 VCC - Supply Voltage - V 4 14 6 12 8 10 VCC - Supply Voltage - V Figure 5 Figure 4 PROPAGATION DELAY TIME, LOW-TO-HIGH-LEVEL OUTPUT vs SUPPLY VOLTAGE PROPAGATION DELAY TIME, HIGH-TO-LOW-LEVEL OUTPUT vs SUPPLY VOLTAGE 40 40 TA = 25C TA = 25C 35 t PHL - Propagation Delay Time, High-To-Low-Level Output - ns t PLH - Propagation Delay Time, Low-To-High-Level Output - ns 35 30 25 CL = 2200 pF 20 15 CL = 1000 pF 10 CL = 0 5 CL = 2200 pF 30 25 20 CL = 1000 pF 15 10 CL = 0 5 0 0 4 6 12 8 10 VCC - Supply Voltage - V 14 Figure 6 10 14 4 6 12 8 10 VCC - Supply Voltage - V Figure 7 www.ti.com 14 SLVS160C - FEBRUARY 1997 - REVISED OCTOBER 2002 TYPICAL CHARACTERISTICS RISE TIME vs AMBIENT TEMPERATURE FALL TIME vs AMBIENT TEMPERATURE 19 VCC = 10 V Load = 1000 pF f = 100 kHz 19 18 17 17 t f - Fall Time - ns t r - Rise Time - ns 18 20 VCC = 10 V Load = 1000 pF f = 100 kHz 16 15 16 15 14 13 12 14 11 13 -50 -25 0 25 50 75 Ambient Temperature - C 100 10 -50 125 -25 Figure 8 125 PROPAGATION DELAY TIME, HIGH-TO-LOW-LEVEL OUTPUT vs AMBIENT TEMPERATURE 19 20 VCC = 10 V Load = 1000 pF f = 100 kHz 19 t PHL - Propagation Delay Time, High-To-Low-Level Output - ns t PLH - Propagation Delay Time, Low-To-High-Level Output - ns 100 Figure 9 PROPAGATION DELAY TIME, LOW-TO-HIGH-LEVEL OUTPUT vs SUPPLY VOLTAGE 18 75 0 25 50 Ambient Temperature - C 17 16 15 18 VCC = 10 V Load = 1000 pF f = 100 kHz 17 16 15 14 13 12 14 11 13 -50 -25 0 25 50 75 100 TA - Ambient Temperature - C 125 Figure 10 10 -50 -25 0 25 50 75 100 TA - Ambient Temperature - C 125 Figure 11 www.ti.com 11 SLVS160C - FEBRUARY 1997 - REVISED OCTOBER 2002 TYPICAL CHARACTERISTICS SUPPLY CURRENT vs SUPPLY VOLTAGE SUPPLY CURRENT vs LOAD CAPACITANCE 16 4 Load = 1000 pF Duty Cycle = 50% VCC = 10 V f = 100 kHz Duty Cycle = 50% 3.5 f = 1 MHz 12 I CC - Supply Current - mA I CC - Supply Current - mA 14 10 8 f = 500 kHz 6 4 f = 40 kHz 2 f = 100 kHz 3 2.5 2 1.5 1 0.5 0 0 4 6 12 8 10 VCC - Supply Voltage - V 0 14 1000 Figure 12 Figure 13 SUPPLY CURRENT vs AMBIENT TEMPERATURE INPUT THRESHOLD VOLTAGE vs SUPPLY VOLTAGE 3 9 VCC = 10 V Load = 1000 pF f = 100 kHz Duty Cycle = 50% 8 2.5 VIT - Input Threshold Voltage-V I CC - Supply Current - mA 2000 CL - Load Capacitance - pF 2 1.5 7 Positive Going 6 5 4 Negative Going 3 2 1 1 -50 0 -25 0 25 50 75 100 125 TA - Ambient Temperature - C Figure 14 12 4 6 12 8 10 VCC - Supply Voltage - V Figure 15 www.ti.com 14 SLVS160C - FEBRUARY 1997 - REVISED OCTOBER 2002 TYPICAL CHARACTERISTICS REGULATOR QUIESCENT CURRENT vs REGULATOR SUPPLY VOLTAGE 12 670 11 665 Regulator Quiescent Current - A Regulator Output Voltage - V REGULATOR OUTPUT VOLTAGE vs REGULATOR SUPPLY VOLTAGE 10 9 8 7 6 Load = 10 k 5 4 TPS2816,17 only No Load 660 655 650 645 640 635 630 625 4 8 12 16 20 24 28 32 36 620 40 4 VDD - Regulator Supply Voltage - V 8 12 20 28 24 32 36 40 VDD - Regulator Supply Voltage - V Figure 16 Figure 17 SHOOT-THROUGH CURRENT vs INPUT VOLTAGE LOW-TO-HIGH SHOOT-THROUGH CURRENT vs INPUT VOLTAGE HIGH-TO-LOW 7 7 VCC = 10 V No Load TA = 25C VCC = 10 V No Load TA = 25C 6 Shoot-Through Current - mA 6 Shoot-Through Current - mA 16 5 4 3 2 1 5 4 3 2 1 0 0 0 2 4 6 VI - Input Voltage - V 8 10 0 2 4 6 8 10 VI - Input Voltage - V Figure 18 Figure 19 www.ti.com 13 SLVS160C - FEBRUARY 1997 - REVISED OCTOBER 2002 APPLICATION INFORMATION MOSFETs are voltage-driven devices that require very little steady-state drive current. However, the large input capacitance (200 pF to 3000 pF or greater) of these devices requires large current surges to reduce the turn-on and turn-off times. The TPS2816 series of high-speed drivers can supply up to 2 A to a MOSFET, greatly reducing the switching times. The fast rise times and fall times and short propagation delays allow for operation in today's high-frequency switching converters. In addition, MOSFETs have a limited gate-bias voltage range, usually less than 20 V. The TPS2816 series of drivers extends this operating range by incorporating an on-board series regulator with an input range up to 40 V. This regulator can be used to power the drivers, the PWM chip, and other circuitry, providing the power dissipation rating is not exceeded. When using these devices, care should be exercised in the proper placement of the driver, the switching MOSFET, and the bypass capacitor. Because of the large input capacitance of the MOSFET, the driver should be placed close to the gate to eliminate the possibility of oscillations caused by trace inductance ringing with the gate capacitance of the MOSFET. When the driver output path is longer than approximately 2 inches, a resistor in the range of 10 should be placed in series with the gate drive as close as possible to the MOSFET. A ceramic bypass capacitor is also recommended to provide a source for the high-speed current transients that the MOSFET requires. This capacitor should be placed between VCC and GND of the driver (see Figures 20 and 21). TPS2816 VCC 1 Regulator 5 Load 2 0.1 F 3 Input 4 Figure 20. VCC < 14 V VDD 1 TPS2816 Regulator 5 + 0.1 F Input 2 4.7 F 3 4 Figure 21. VCC > 14 V 14 www.ti.com Load SLVS160C - FEBRUARY 1997 - REVISED OCTOBER 2002 APPLICATION INFORMATION The on-board series regulator supplies approximately 20 mA of current at 11.5 V, some of which can be used for external circuitry, providing the power dissipation rating for the driver is not exceeded. When using the on-board series regulator, an electrolytic output capacitor of 4.7 F or larger is recommended. Although not required, a 0.1-F ceramic capacitor on the input of the regulator can help suppress transient currents (see Figure 22). When not used, the regulator should be connected to VCC. Grounding VDD will result in destruction of the regulator. 34 VDC 0.1 F + 0.1 F VCC 4.7 F TPS2816 PWM Controller 1 Regulator 5 0.1 F 2 VO Out 3 4 10 F GND Figure 22. Boost Application The TPS2816 and TPS2818 drivers include active pullup circuits on the inputs to eliminate the need for external pullup resistors when using controllers with open-collector outputs (such as the TL5001). The TPS2817 and TPS2819 drivers have standard CMOS inputs providing a total device operating current of less than 50 A. All devices switch at standard CMOS logic levels of approximately 2/3 VCC with positive-going input levels, and approximately 1/3 VCC with negative-going input levels. Being CMOS drivers, these devices will draw relatively large amounts of current (Approximately 5 mA) when the inputs are in the range of one-half of the supply voltage. In normal operation, the driver input is in this range for a very short time. Care should be taken to avoid use of very low slew-rate inputs, used under normal operating conditions. Although not destructive to the device, slew rates slower than 0.1 V/s are not recommended. The BiCMOS output stage provides high instantaneous drive current to rapidly toggle the power switch, and very low drop to each rail to ensure proper operation at voltage extremes. Low-voltage circuits (less than 14 V) that require very low quiescent currents can use the TPS2828 and TPS2829 drivers. These drivers use typically 0.2 A of quiescent current (with inputs high or low). They do not have the internal regulator or the active pullup circuit, but all other specifications are the same as for the rest of the family. 2.5-V/3.3-V, 3-A application Figure 23 illustrates the use of the TPS2817 with a TL5001 PWM controller and a TPS1110 in a simple step-down converter application. The converter operates at 275 kHz and delivers either 2.5 V or 3.3 V (determined by the value of R6) at 3 A (5 A peak) from a 5-V supply. The bill of materials is provided in Table 1. www.ti.com 15 SLVS160C - FEBRUARY 1997 - REVISED OCTOBER 2002 APPLICATION INFORMATION Q1 TPS1110D 4.5 V to 7 V L1 VO 3 A Continuous 5 A Peak + C7 C8 R5 U1 TPS2817DBV 1 C5 Regulator + + CR1 5 C9 C10 C12 C13 2 GND 3 4 R4 GND U2 TL5001CD 2 R1 + 5 SCP VCC R6 GND DTC 6 C9 1 OUT C2 COMP 3 FB 4 C3 R7 C11 C6 8 RT 7 R3 R2 C4 Figure 23. Step-Down Application NOTE: If the parasitics of the external circuit cause the voltage to violate the Absolute Maximum Rating for the Output pins, Schottky diodes should be added from ground to output and from output to Vcc. 16 www.ti.com SLVS160C - FEBRUARY 1997 - REVISED OCTOBER 2002 APPLICATION INFORMATION Table 1. Bill of Materials REF DES PART NO. DESCRIPTION MFR U1 TPS2817DBV IC, MOSFET driver, single noninverting TI U2 TL5001CD IC, PWM controller TI Q1 TPS1110D MOSFET, p-channel, 6 A, 7 V, 75 m TI C1, C2, C5, C8 Capacitor, ceramic, 0.1 F, 50 V, X7R, 1206 C3 Capacitor, ceramic, 0.033 F, 50 V, X7R, 1206 C4 Capacitor, ceramic, 2200 pF, 50 V, X7R, 0805 C6 ECS-T1CY105R Capacitor, tantalum, 1.0 F, 16 V, A case Panasonic C7 10SC47M Capacitor, OS-Con, 47 F, 10 V Sanyo C9 C10, C12 Capacitor, ceramic, 1000 pF, 50 V, X7R, 0805 10SA220M Capacitor, OS-Con, 220 F, 10 V C11 Capacitor, ceramic, 0.022 F, 50 V, X7R, 0805 C13 Capacitor, ceramic, 47 F, 50 V, X7R Sanyo CR1 50WQ03F Diode, Shottky, D-pak, 5 A 30 V IR L1 SML3723 Inductor, 27 H, +/- 20%, 3 A Nova Magnetics R1 Resistor, CF, 47 k, 1/10 W, 5%, 0805 R2 Resistor, CF, 1.5 k, 1/10 W, 5%, 0805 R3 Resistor, MF, 30.1 k, 1/10 W, 1%, 0805 R4 Resistor, MF, 1.00 k, 1/10 W, 1%, 0805 R5 Resistor, CF, 47 , 1/10 W, 5%, 0805 R6 (3.3-V) Resistor, MF, 2.32 k, 1/10 W, 1%, 0805 R6 (2.5-V) Resistor, MF, 1.50 k, 1/10 W, 1%, 0805 R7 Resistor, CF, 100 , 1/10 W, 5%, 0805 As shown in Figures 24 and 25, the TPS2817 turns on the TPS1110 power switch in less than 20 ns and off in 25 ns. Q1 Gate Q1 Drain 2 V/div Q1 Drain 2 V/div Q1 Gate 12.5 ns/div 2 V/div 2 V/div 12.5 ns/div Figure 24. Q1 Turn-On Waveform Figure 25. Q1 Turn-Off Waveform www.ti.com 17 SLVS160C - FEBRUARY 1997 - REVISED OCTOBER 2002 APPLICATION INFORMATION The efficiency for various output currents, with a 5.25-V input, is shown in Figure 26. For a 3.3-V output, the efficiency is greater than 90% for loads up to 2 A - exceptional for a simple, inexpensive design. 95 VO = 3.3 V 90 Efficiency - % VI = 5.25 V TA = 25C 85 VO = 2.5 V 80 75 70 0 0.5 1 1.5 2 2.5 3 3.5 4 Load Current - A Figure 26. Converter Efficiency 18 www.ti.com 4.5 5 PACKAGE OPTION ADDENDUM www.ti.com 21-Aug-2010 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Drawing Pins Package Qty TPS2816DBV OBSOLETE SOT-23 DBV 5 TPS2816DBVR ACTIVE SOT-23 DBV 5 3000 TPS2816DBVRG4 ACTIVE SOT-23 DBV 5 TPS2816DBVT ACTIVE SOT-23 DBV TPS2816DBVTG4 ACTIVE SOT-23 Eco Plan (2) TBD Lead/ Ball Finish (3) Samples (Requires Login) Call TI Samples Not Available Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Request Free Samples 3000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Request Free Samples 5 250 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Purchase Samples DBV 5 250 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Purchase Samples TBD Call TI MSL Peak Temp TPS2817DBV OBSOLETE SOT-23 DBV 5 Call TI Samples Not Available TPS2817DBVR ACTIVE SOT-23 DBV 5 3000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Request Free Samples TPS2817DBVRG4 ACTIVE SOT-23 DBV 5 3000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Request Free Samples TPS2817DBVT ACTIVE SOT-23 DBV 5 250 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Contact TI Distributor or Sales Office TPS2817DBVTG4 ACTIVE SOT-23 DBV 5 250 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Contact TI Distributor or Sales Office TBD Call TI TPS2818DBV OBSOLETE SOT-23 DBV 5 Call TI Samples Not Available TPS2818DBVR ACTIVE SOT-23 DBV 5 3000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Request Free Samples TPS2818DBVRG4 ACTIVE SOT-23 DBV 5 3000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Request Free Samples TBD Call TI TPS2819DBV OBSOLETE SOT-23 DBV 5 Call TI Samples Not Available TPS2819DBVR ACTIVE SOT-23 DBV 5 3000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Request Free Samples TPS2819DBVRG4 ACTIVE SOT-23 DBV 5 3000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Request Free Samples TPS2819DBVT ACTIVE SOT-23 DBV 5 250 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Purchase Samples TPS2819DBVTG4 ACTIVE SOT-23 DBV 5 250 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Purchase Samples TPS2828DBV OBSOLETE SOT-23 DBV 5 TBD Addendum-Page 1 Call TI Call TI Call TI Samples Not Available PACKAGE OPTION ADDENDUM www.ti.com Orderable Device 21-Aug-2010 Status (1) Package Type Package Drawing Pins Package Qty Eco Plan (2) Lead/ Ball Finish MSL Peak Temp (3) Samples (Requires Login) TPS2828DBVR ACTIVE SOT-23 DBV 5 3000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Request Free Samples TPS2828DBVRG4 ACTIVE SOT-23 DBV 5 3000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Request Free Samples TPS2828DBVT ACTIVE SOT-23 DBV 5 250 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Purchase Samples TPS2828DBVTG4 ACTIVE SOT-23 DBV 5 250 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Purchase Samples TPS2829DBV OBSOLETE SOT-23 DBV 5 Call TI Samples Not Available TPS2829DBVR ACTIVE SOT-23 DBV 5 3000 Green (RoHS & no Sb/Br) TBD CU NIPDAU Level-1-260C-UNLIM Call TI Request Free Samples TPS2829DBVRG4 ACTIVE SOT-23 DBV 5 3000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Request Free Samples TPS2829DBVT ACTIVE SOT-23 DBV 5 250 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Contact TI Distributor or Sales Office TPS2829DBVTG4 ACTIVE SOT-23 DBV 5 250 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Contact TI Distributor or Sales Office (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. TBD: The Pb-Free/Green conversion plan has not been defined. Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes. Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above. Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material) (3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature. Addendum-Page 2 PACKAGE OPTION ADDENDUM www.ti.com 21-Aug-2010 Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release. In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis. OTHER QUALIFIED VERSIONS OF TPS2816, TPS2817, TPS2818, TPS2819, TPS2828, TPS2829 : * Automotive: TPS2829-Q1 * Enhanced Product: TPS2816-EP, TPS2817-EP, TPS2818-EP, TPS2819-EP, TPS2828-EP NOTE: Qualified Version Definitions: * Automotive - Q100 devices qualified for high-reliability automotive applications targeting zero defects * Enhanced Product - Supports Defense, Aerospace and Medical Applications Addendum-Page 3 PACKAGE MATERIALS INFORMATION www.ti.com 25-Dec-2010 TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Package Pins Type Drawing SPQ Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) TPS2816DBVR SOT-23 DBV 5 3000 180.0 9.0 B0 (mm) K0 (mm) P1 (mm) W Pin1 (mm) Quadrant 3.15 3.2 1.4 4.0 8.0 Q3 TPS2816DBVT SOT-23 DBV 5 250 180.0 9.0 3.15 3.2 1.4 4.0 8.0 Q3 TPS2817DBVR SOT-23 DBV 5 3000 180.0 9.0 3.15 3.2 1.4 4.0 8.0 Q3 TPS2817DBVT SOT-23 DBV 5 250 180.0 9.0 3.15 3.2 1.4 4.0 8.0 Q3 TPS2818DBVR SOT-23 DBV 5 3000 180.0 9.0 3.15 3.2 1.4 4.0 8.0 Q3 TPS2819DBVR SOT-23 DBV 5 3000 180.0 9.0 3.15 3.2 1.4 4.0 8.0 Q3 TPS2819DBVT SOT-23 DBV 5 250 180.0 9.0 3.15 3.2 1.4 4.0 8.0 Q3 TPS2828DBVR SOT-23 DBV 5 3000 179.0 8.4 3.2 3.2 1.4 4.0 8.0 Q3 TPS2828DBVR SOT-23 DBV 5 3000 178.0 9.0 3.23 3.17 1.37 4.0 8.0 Q3 TPS2828DBVT SOT-23 DBV 5 250 178.0 9.0 3.23 3.17 1.37 4.0 8.0 Q3 TPS2829DBVR SOT-23 DBV 5 3000 179.0 8.4 3.2 3.2 1.4 4.0 8.0 Q3 TPS2829DBVR SOT-23 DBV 5 3000 178.0 9.0 3.23 3.17 1.37 4.0 8.0 Q3 TPS2829DBVT SOT-23 DBV 5 250 178.0 9.0 3.23 3.17 1.37 4.0 8.0 Q3 Pack Materials-Page 1 PACKAGE MATERIALS INFORMATION www.ti.com 25-Dec-2010 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) TPS2816DBVR SOT-23 DBV 5 3000 182.0 182.0 20.0 TPS2816DBVT SOT-23 DBV 5 250 182.0 182.0 20.0 TPS2817DBVR SOT-23 DBV 5 3000 182.0 182.0 20.0 TPS2817DBVT SOT-23 DBV 5 250 182.0 182.0 20.0 TPS2818DBVR SOT-23 DBV 5 3000 182.0 182.0 20.0 TPS2819DBVR SOT-23 DBV 5 3000 182.0 182.0 20.0 TPS2819DBVT SOT-23 DBV 5 250 182.0 182.0 20.0 TPS2828DBVR SOT-23 DBV 5 3000 203.0 203.0 35.0 TPS2828DBVR SOT-23 DBV 5 3000 180.0 180.0 18.0 TPS2828DBVT SOT-23 DBV 5 250 180.0 180.0 18.0 TPS2829DBVR SOT-23 DBV 5 3000 203.0 203.0 35.0 TPS2829DBVR SOT-23 DBV 5 3000 180.0 180.0 18.0 TPS2829DBVT SOT-23 DBV 5 250 180.0 180.0 18.0 Pack Materials-Page 2 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. 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