DATASHEET NOT RECOMMENDED FOR NEW DESIGNS RECOMMENDED REPLACEM ENT PARTS ZL8101 and ZL6105 ZL2004-01 FN6847 Rev 2.00 May 23, 2011 Adaptive Digital DC/DC Controller with Current Sharing Features The ZL2004-01 is specialized version of the ZL2004 DC/DC controller that has been optimized for high output accuracy within a given set of operating conditions. The ZL2004-01 is otherwise identical to the ZL2004 in features and functionality. The ZL2004-01 has been optimized for use with the ZL1505 MOSFET driver and discrete MOSFETs. * Power Conversion * Efficient synchronous buck controller * 0.2% VOUT set-point accuracy * 8.0V to 10.0V input range The ZL2004-01 integrates a proprietary Digital-DC communication bus for current sharing and inter device communication. Adaptive algorithms improve light load efficiency. All operating features can be configured by simple pin-strap selection, resistor selection or through the on-board serial port. The PMBusTM-compliant ZL2004-01 uses the SMBusTM serial interface for communication with other DigitalDC products or a host controller. * 0.9V to 1.1V output range * Adaptive performance optimization algorithms * Fast load transient response * Active current sharing * DCR current sensing with digitally adjustable current sense range * RoHS compliant (5mmx5mm) QFN package Related Literature * Power Management * See FN6846, ZL2004 "Adaptive Digital DC-DC Controller with Current Sharing" * Digital soft-start/stop * Precision delay and ramp-up * Power-good/enable * Voltage tracking, sequencing and margining * Voltage/current/temperature monitoring * SMBus communication (PMBus compliant) * Output voltage and current protection * Internal non-volatile memory (NVM) Applications * Servers/storage equipment * Telecom/datacom equipment * Power supplies (memory, DSP, ASIC, FPGA) EN PG SS V (0,1) VMON MGN SYNC FC ILIM CFG FLEX LDO POWER MANAGEMENT DDC SCL SDA SALRT V25 VR VDD NONVOLATILE MEMORY PWM CONTROLLER I2 C MONITOR ADC SA (0,1) VTRK VSEN+/XTEMP LEVEL SHIFTER PWMH CURRENT SENSE ISENA ISENB PWML TEMP SENSOR SGND DGND FIGURE 1. BLOCK DIAGRAM FN6847 Rev 2.00 May 23, 2011 Page 1 of 8 ZL2004-01 Ordering Information PART NUMBER (Notes 1, 4) PART MARKING TEMP RANGE (C) SHIPPING CONTAINER PACKAGE Tape & Reel (Pb-free) PKG. DWG. # ZL2004ALNN-01 (Note 2) 2004-01 0 to +65 490 pieces 32 Ld QFN L32.5x5D ZL2004ALNNT-01 (Note 2) 2004-01 0 to +65 100 pieces 32 Ld QFN L32.5x5D ZL2004ALNNT1-01 (Note 2) 2004-01 0 to +65 1000 pieces 32 Ld QFN L32.5x5D ZL2004ALNF-01 (Note 3) 2004-01 0 to +65 490 pieces 32 Ld QFN L32.5x5G ZL2004ALNFT-01 (Note 3) 2004-01 0 to +65 100 pieces 32 Ld QFN L32.5x5G ZL2004ALNFT1-01 (Note 3) 2004-01 0 to +65 1000 pieces 32 Ld QFN L32.5x5G NOTES: 1. Please refer to TB347 for details on reel specifications. 2. These Intersil Pb-free plastic packaged products employ special Pb-free material sets; molding compounds/die attach materials and NiPdAu plate e4 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020. 3. These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100% matte tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations). Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020. 4. For Moisture Sensitivity Level (MSL), please see device information page for ZL2004-01. For more information on MSL please see techbrief TB363. Pin Configuration FN6847 Rev 2.00 May 23, 2011 PG SS EN CFG MGN DDC XTEMP V25 ZL2004-01 (32 LD QFN) TOP VIEW 32 31 30 29 28 27 26 25 DGND 1 24 VDD SYNC 2 23 VR SA0 3 22 PWMH SA1 4 21 SGND 20 PWML EXPOSED PADDLE CONNECT TO SGND 18 ISENB SALRT 8 17 NC 9 10 11 12 13 14 15 16 VSEN- 7 VSEN+ SDA VRTK ISENA NC 19 VIMON 6 V1 SCL V0 5 FC ILIM Page 2 of 8 ZL2004-01 Pin Descriptions PIN SYMBOL TYPE (Note 5) 1 DGND PWR 2 SYNC I/O, M (Note 6) Clock synchronization input. Used to set the frequency of the internal switch clock, to sync to an external clock or to output internal clock. 3 SA0 I, M 4 SA1 Serial address select pins. Used to assign unique address for each individual device or to enable certain management features. 5 ILIM I, M Current limit select. Sets the overcurrent threshold voltage for ISENA, ISENB. 6 SCL I/O Serial clock. Connect to external host and/or to other ZL devices. 7 SDA I/O Serial data. Connect to external host and/or to other ZL devices. 8 SALRT O Serial alert. Connect to external host if desired. 9 FC I Loop compensation selection pin. 10 V0 I, M Output voltage selection pins. Used to set VOUT set-point and VOUT max. 11 V1 12 VMON I, M External voltage monitoring (Can be used for external driver bias monitoring for Power-good). 13, 17 NC 14 VTRK I Tracking sense input. Used to track an external voltage source. 15 VSEN+ I Differential Output voltage sense feedback. Connect to positive output regulation point. 16 VSEN- I Differential Output voltage sense feedback. Connect to negative output regulation point. 18 ISENB I Differential voltage input for current sensing. 19 ISENA I Differential voltage input for current sensing. High voltage (DCR). 20 PWML O PWM Gate low signal. 21 SGND PWR 22 PWMH O 23 VR PWR Internal 5V reference used to power internal drivers. 24 VDD (Note 7) PWR Supply voltage. 25 V25 PWR Internal 2.5V reference used to power internal circuitry. 26 XTEMP I External temperature sensor input. Connect to external 2N3904 (Base Emitter junction). 27 DDC I Single wire DDC bus (Current sharing, interdevice communication). 28 MGN I VOUT margin control. 29 CFG M Configuration pin. Used to control the switching phase offset, sequencing and other management features. 30 EN I Enable. Active signal enables PWM switching. 31 SS I, M 32 PG O EPAD SGND PWR DESCRIPTION Digital ground. Connect to low impedance ground plane. No Connect. Connect to low impedance ground plane. Internal connection to SGND. PWM Gate High signal. Soft-start delay and ramp select. Sets the delay from when EN is asserted until the output voltage starts to ramp and the ramp time. Power-good output. Exposed thermal pad. Connect to low impedance ground plane. Internal connection to SGND. NOTES: 5. I = Input, O = Output, PWR = Power or Ground. M = Multi-mode pins. 6. The SYNC pin can be used as a logic pin, a clock input or a clock output. 7. VDD is measured internally and the value is used to modify the PWM loop gain. FN6847 Rev 2.00 May 23, 2011 Page 3 of 8 ZL2004-01 Absolute Maximum Ratings (Note 8) Thermal Information DC Supply Voltage (VDD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 17V Logic I/O Voltage CFG, DDC, EN, FC, FLEX, ILIM, MGN, PG, SA (0,1) SALRT, SCL, SDA, SS, SYNC, VMON, V (0,1) . . . . . . . . . . . . -0.3V to 6.5V Analog Input Voltages VSEN+, VSEN-, VTRK, XTEMP . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.5V ISENA, ISENB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -1.5V to 6.5V MOSFET Drive Reference (VR). . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.5V Logic reference (V25). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 3V Ground Voltage Differential (VDGND- VSGND) DGND, SGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +0.3V Thermal Resistance (Typical) JA (C/W) JC (C/W) 32 Ld QFN Package (Notes 9, 10) . . . . . . . 35 5 Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-55C to +150C Storage Temperature Range. . . . . . . . . . . . . . . . . . . . . . . .-55C to +150C Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below http://www.intersil.com/pbfree/Pb-FreeReflow.asp Recommended Operating Conditions Input Supply Voltage Range, (VDD). . . . . . . . . . . . . . . . . . . . . . . . . 8V to 10V Output Voltage Range (VOUT) . . . . . . . . . . . . . . . . . 0.9V to 1.1V, 1.0V (Typ) Operating Frequency (FSW) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400kHz Typ Operating Ambient Temperature . . . . . . . . . . . . . . . . . . . . . . 0C to +65C CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and result in failures not covered by warranty. NOTES: 8. All voltages are measured with respect to SGND. 9. JA is measured in free air with the component mounted on a high effective thermal conductivity test board with "direct attach" features. See Tech Brief TB379. 10. For JC, the "case temp" location is the center of the exposed metal pad on the package underside. Electrical Specifications VDD = 8.6 V, VOUT = 1.0 V, TA = 0C to +65C unless otherwise noted. Typical values are at TA = +25C. The following specifications describe the ZL2004-01 electrical specifications that differ from the ZL2004. Please refer to the ZL2004 data sheet for the full operating specification limits for the remaining functions not described herein. Boldface limits apply over the operating temperature range, 0C to +65C. PARAMETER CONDITIONS MIN (Note 11) TYP MAX (Note 11) UNIT - 16 30 mA INPUT AND SUPPLY CHARACTERISTICS IDD Supply Current at FSW = 400kHz GH no load, GL no load, MISC_CONFIG[7] = 1 IDDS Shutdown Current EN = 0V No I2C/SMBus activity - 2 5 mA VR Reference Output Voltage VDD > 6V, IVR < 50mA 4.5 5.2 5.7 V V25 Reference Output Voltage VR > 3V, IV25 < 50mA 2.25 2.5 2.75 V OUTPUT CHARACTERISTICS Output Voltage Adjustment Range VIN > VOUT 0.9 - 1.1 V Output Voltage Setpoint Accuracy (Note 12) VIN = 8.6V, VOUT = 1V TA = 0C to + 65C, ILOAD = 0A to 40A -0.2 - 0.2 % -1.0 - 1.0 % - 400 - kHz -5 - 5 % 2.85 - 16 V PMBus READ_VOUT Accuracy OSCILLATOR AND SWITCHING CHARACTERISTICS Switching Frequency (Note 13) SYNC pin floating or NVM configured for 400kHz Switching Frequency Set-point Accuracy FAULT PROTECTION CHARACTERISTICS UVLO Threshold Range Configurable via I2C/SMBus NOTES: 11. Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design. 12. VOUT set-point measured at the termination of the VSEN+ and VSEN- sense points. 13. The ZL2004-01 has been optimized for operation at 400kHz only. Please consult the factory for requirements at other operating frequencies. FN6847 Rev 2.00 May 23, 2011 Page 4 of 8 ZL2004-01 Revision History The revision history provided is for informational purposes only and is believed to be accurate, but not warranted. Please go to web to make sure you have the latest Rev. DATE REVISION 5/11/11 FN6847.2 CHANGE On page 1: Added "Related Literature" On page 2: Added following parts to "Ordering Information": ZL2004ALNN-01 ZL2004ALNF-01 ZL2004ALNFT-01 ZL2004ALNFT1-01 Added lead finish Note 3 for ALNF parts. On page 4: Updated note in Min Max column of "Electrical Specifications" table from "Parameters with MIN and/or MAX limits are 100% tested at +25C, unless otherwise specified. Temperature limits established by characterization and are not production tested." to "Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design." On page 8: Added "Package Outline Drawing" L32.5x5G for ALNF parts. 4/9/10 FN6847.1 3/23/10 2/19/09 FN6847 Rev 2.00 May 23, 2011 On page 4, changed max value from 5.5 to 5.7 for "VR Reference Output Voltage". Converted to New Intersil Template. Added spec to existing parameter on the device in Electrical Specifications Table "Output Characteristics": PMBus READ_VOUT Accuracy -1.0 (MIN), 1.0 (MAX) %. Changed Temp Range in ordering information from "-40C to +85C" to "0C to +65C" matching information in Thermal Information. Added over-temp note and reference Electrical spec table Min and Max columns. Added ordering information table, Pin Configuration and Pin Description Table, POD, Revision History and Products Information. Updated POD L32.5x5D to latest released version. Change to POD is as follows: Updated POD to new standards by adding land pattern and moving dimensions from table onto drawing. FN6847.0 Assigned file number FN6847 to datasheet as this will be the first release with an Intersil file number. Replaced header and footer with Intersil header and footer. Updated disclaimer information to read "Intersil and it's subsidiaries including Zilker Labs, Inc." No changes to datasheet content. Page 5 of 8 ZL2004-01 Products Intersil Corporation is a leader in the design and manufacture of high-performance analog semiconductors. The Company's products address some of the industry's fastest growing markets, such as, flat panel displays, cell phones, handheld products, and notebooks. Intersil's product families address power management and analog signal processing functions. Go to www.intersil.com/products for a complete list of Intersil product families. *For a complete listing of Applications, Related Documentation and Related Parts, please see the respective device information page on intersil.com: ZL2004-01 To report errors or suggestions for this datasheet, please go to www.intersil.com/askourstaff FITs are available from our website at http://rel.intersil.com/reports/search.php (c) Copyright Intersil Americas LLC 2009-2011. All Rights Reserved. All trademarks and registered trademarks are the property of their respective owners. For additional products, see www.intersil.com/en/products.html Intersil products are manufactured, assembled and tested utilizing ISO9001 quality systems as noted in the quality certifications found at www.intersil.com/en/support/qualandreliability.html Intersil products are sold by description only. Intersil may modify the circuit design and/or specifications of products at any time without notice, provided that such modification does not, in Intersil's sole judgment, affect the form, fit or function of the product. Accordingly, the reader is cautioned to verify that datasheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. This product is subject to a license from Power One, Inc. related to digital power technology as set forth in U.S. Patent No. 7,000,125 and other related patents owned by Power One, Inc. These license rights do not extend to stand-alone POL regulators unless a royalty is paid to Power One, Inc. FN6847 Rev 2.00 May 23, 2011 Page 6 of 8 ZL2004-01 Package Outline Drawing L32.5x5D 32 LEAD QUAD FLAT NO-LEAD PLASTIC PACKAGE Rev 1, 3/10 4X 3.5 5.00 28X 0.50 A B 25 6 PIN 1 INDEX AREA 6 PIN #1 INDEX AREA 32 1 5.00 24 3 .50 EXP. DAP 17 (4X) 0.15 8 16 TOP VIEW 9 32X 0.40 0.10 4 32X 0.23 0.10 M C A B BOTTOM VIEW SEE DETAIL "X" 0.10 C MAX 0.90 ( 4. 80 TYP ) ( SEATING PLANE 0.08 C C SIDE VIEW ( 28X 0 . 5 ) 3.50 ) (32X 0 . 23 ) C 0 . 2 REF 5 0 . 00 MIN. 0 . 05 MAX. ( 32X 0 . 60) TYPICAL RECOMMENDED LAND PATTERN DETAIL "X" NOTES: 1. Dimensions are in millimeters. Dimensions in ( ) for Reference Only. 2. Dimensioning and tolerancing conform to ASME Y14.5m-1994. 3. Unless otherwise specified, tolerance : Decimal 0.05 4. Dimension applies to the metallized terminal and is measured between 0.15mm and 0.30mm from the terminal tip. 5. Tiebar shown (if present) is a non-functional feature. 6. The configuration of the pin #1 identifier is optional, but must be located within the zone indicated. The pin #1 identifier may be either a mold or mark feature. FN6847 Rev 2.00 May 23, 2011 Page 7 of 8 ZL2004-01 Package Outline Drawing L32.5x5G 32 LEAD QUAD FLAT NO-LEAD PLASTIC PACKAGE Rev 0, 3/10 4X 3.5 5.00 28X 0.50 A B 25 6 PIN 1 INDEX AREA 32 6 PIN #1 INDEX AREA 1 5.00 24 3 .50 EXP. DAP 17 (4X) 8 0.15 16 9 TOP VIEW 32X 0.40 0.10 4 32X 0.23 0.10 M C A B BOTTOM VIEW SEE DETAIL "X" 0.10 C MAX 1.00 ( 4. 80 TYP ) ( C SEATING PLANE 0.08 C ( 28X 0 . 5 ) SIDE VIEW 3.50 ) (32X 0 . 23 ) C 0 . 2 REF 5 ( 32X 0 . 60) 0 . 00 MIN. 0 . 05 MAX. TYPICAL RECOMMENDED LAND PATTERN DETAIL "X" NOTES: 1. Dimensions are in millimeters. Dimensions in ( ) for Reference Only. 2. Dimensioning and tolerancing conform to ASME Y14.5m-1994. 3. Unless otherwise specified, tolerance : Decimal 0.05 4. Dimension applies to the metallized terminal and is measured between 0.15mm and 0.30mm from the terminal tip. 5. Tiebar shown (if present) is a non-functional feature. 6. The configuration of the pin #1 identifier is optional, but must be located within the zone indicated. The pin #1 identifier may be either a mold or mark feature. FN6847 Rev 2.00 May 23, 2011 Page 8 of 8