TA76431F/FR TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic TA76431F,TA76431FR Adjustable Precision Shunt Regulator Features * Precision Reference Voltage: VREF = 2.495 V 2.2% * Small Temperature Coefficient: |VREF| = 46 ppm/C * Adjustable Output Voltage: VREF VOUT 36 V * Low Dynamic Output Impedance: |ZKA| = 0.15 (Typ.) * Small Flat Package * TA76431FR is a new Toshiba shunt regulator. This device's pin assignment is the reverse of that of the TA76431F. Functional Block Diagram Weight: 0.05 g (typ.) Circuit Symbol Reference (REF) Cathode (K) Reference (REF) Cathode (K) Anode (A) Anode (A) This IC contains electrostatic sensitive elements. Please take care to avoid generating static electricity when handling these devices. Marking (1) TA76431F (2) TA76431FR Part No. (or abbreviation code) A S Part No. (or abbreviation code) B S Note 1 Note 1 Lot No. (weekly code) Lot No. (weekly code) Note 1: A line beside a Lot No. identifies the indication of product Labels. Without a line: [[Pb]]/INCLUDES > MCV With a line: [[G]]/RoHS COMPATIBLE or [[G]]/RoHS [[Pb]] Please contact your TOSHIBA sales representative for details as to environmental matters such as the RoHS compatibility of Product. The RoHS is the Directive 2002/95/EC of the European Parliament and of the Council of 27 January 2003 on the restriction of the use of certain hazardous substances in electrical and electronic equipment. Pin Assignment 1 2 3 No. (1) TA76431F (2) TA76431FR 1 Cathode (K) Reference (REF) 2 Anode (A) Anode (A) 3 Reference (REF) Cathode (K) 1 2009-09-30 TA76431F/FR How to Order No. (1) (2) Product No. Packing Type Minimum Order On cut tape (TE12L): 100 pcs/tape section 100 Package Type TA76431F TA76431F (TE12L) TA76431FR PW-Mini (SOT-89) (surface-mount type) TA76431FR (TE12L) Embossed tape: 1000 pcs/tape 1 tape On cut tape (TE12L): 100 pcs/tape section Embossed tape: 1000 pcs/tape 100 1 tape Equivalent Circuit Q4 Q3 Q2 Q11 R5 Q5 R7 C2 R6 C1 R2 Q10 R4 Reference R3 Cathode Q1 Q6 Q7 R1 Q8 R8 Q9 R9 Anode Absolute Maximum Ratings (Ta = 25C) Characteristics Symbol Rating Unit Cathode voltage VKA 37 V Cathode current IK -100 to 150 mA Reference voltage VREF 7 V Reference current IREF 50 A Reference-anode reverse current -IREF 10 mA 500 Power dissipation PD Operating temperature Topr -40 to 85 C Storage temperature Tstg -55 to 150 C 1000 (Note 2) mW Note 2: Mounted on ceramic substrate (250 mm2 x 0.8 mm (t)) Note 3: Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the significant change in temperature, etc.) may cause this product to decrease in the reliability significantly even if the operating conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute maximum ratings and the operating ranges. Please design the appropriate reliability upon reviewing the Toshiba Semiconductor Reliability Handbook ("Handling Precautions"/"Derating Concept and Methods") and individual reliability data (i.e. reliability test report and estimated failure rate, etc). 2 2009-09-30 TA76431F/FR Operating Ranges Characteristics Symbol Min Typ. Max Unit Cathode voltage VKA VREF 36 V Cathode current IK 1 100 mA Topr -40 85 C Operating temperature Electrical Characteristics (Unless otherwise specified, Ta = 25C, IK = 10 mA) Characteristics Reference voltage Symbol VREF Deviation of reference input voltage over temperature VREF (dev) Ratio of change in reference input voltage to the change in cathode voltage VREF/V Reference Input current Deviation of reference input current over temperature IREF IREF (dev) Test Condition Min Typ. Max Unit 2.440 2.495 2.550 V 0C Ta 70C, VKA = VREF 8 17 mV VREF VKA 10 V 0.8 2.7 10 V VKA 36 V 0.5 2.0 VKA = VREF 1.4 4 A 0C Ta 70C, VKA = VREF, R1 = 10 k, R2 = 0.3 1.2 A VKA = VREF mV/V Minimum cathode current for regulation IKmin VKA = VREF 0.4 1.0 mA Off-State cathode current IKoff VKA = 36 V, VREF = 0 V 1.0 A ZKA VKA = VREF, f 1 kHz, 1 mA IK 100 mA 0.15 0.5 max VREF (dev) The deviation parameters VREF (dev) and IREF (dev) are defined as the maximum variation of the VREF and IREF over the rated temperature range. The average temperature coefficient of the VREF is defined as: VREF Dynamic impedance min VREF (dev) x 10 6 VREF @25C (ppm C ) VREF = Ta Ta 3 2009-09-30 TA76431F/FR Test Parameter (1) VKA = VREF Mode Input RSD (2) VKA > VREF Mode RSD Input VKA R2 R1 IK VREF VKA IK IREF VREF R VKA = VREF 1 + 1 + IREF R1 R 2 (3) OFF-State Mode Input RSD VKA IKoff Typical Application Circuits (1) 2.5 V Reference (2) Shunt Regulator VIN RSD VOUT R1 VIN R2 VOUT - 2.5 V GND R VOUT = VREF 1 + 1 + IREF R1 R 2 4 2009-09-30 TA76431F/FR IK - VKA VREF - Ta 2600 150 50 (mV) 100 IK VKA = VREF Ta = 25C 0 -50 -100 -2.0 -1.0 0 1.0 Cathode voltage 2.0 VKA 3.0 IK = 10 mA VREF max = 2550 mV 2520 VREF typ. = 2495 mV 2480 2440 VREF min = 2440 mV -40 0 Ta = 25C IK min 200 0 1.0 Cathode voltage 2.0 VKA 3.0 4.0 -20 VKA Input VREF -30 IK IK = 10 mA Ta = 25C -40 0 10 (V) 20 IKoff - Ta VKA 40 50 (V) IREF - Ta 4 VKA Input IREF (A) IKoff 30 VKA = 36 V VREF = 0 V 10 5 3 -40 0 40 80 120 3 IREF IK = 10 mA 2 1 0 160 Ambient temperature Ta (C) VKA IK 10 k Input 50 Reference current IKoff (nA) Off state cathode current 30 Cathode voltage 100 1 160 -10 R1 VKA = VREF 0 120 0 R2 VKA -1.0 80 VREF - VKA IK -200 -2.0 40 Ambient temperature Ta (C) (V) Change in reference voltage VREF (mV) (A) IK Cathode current 400 IK VREF IK - VKA Input Input 2560 2400 -80 4.0 800 600 VKA VKA = VREF VKA Reference voltage VREF Cathode current IK (mA) Input -40 0 40 80 120 Ambient temperature Ta (C) 5 2009-09-30 TA76431F/FR ZKA - f AV - f 50 RS ZKA 10 eo = 5 ei 3 ei RS ZKA e ZKA = o RS ei GND Ta = 25C VKA = VREF 1 mA -IK 100 mA 1 0.5 0.3 0.1 1k 10 k 100 k Frequency f 1M 50 10 F VIN 40 30 20 0 -10 (Hz) 1k 10 k 100 k 1M max (W) Allowable power dissipation PD 3 Output 220 Output Pulse 0 50 Voltage swing (V) 0 Generator 1 f = 100 kHz GND 0 1 2 3 10 M (Hz) PD max - Ta Input Input monitor GND 10 Pulse response 2 VOUT IK = 10 mA Ta = 25C Frequency f 5 IK 220 RS ei ZKA RS + ZKA 10 k IK eo = AV (dB) ZKA () Dynamic impedance eo Open loop voltage gain 220 30 10 k 60 4 5 1.4 (1) Mounted on ceramic substate (250 mm2 x 0.8 mm (t)) 1.2 (2) Ta = 25C (1) 1.0 125C/W 0.8 0.6 (2) 250C/W 0.4 0.2 0 6 0 20 Time t (s) 40 60 80 100 120 140 160 Ambient temperature Ta (C) Safe operating area 100 A. Unstable Test circuit for curve A 150 Ta = 25C Cathode current IK (mA) A. VKA = VREF 80 B. VKA = 5 V @IK = 10 mA C. VKA = 10 V @IK = 10 mA B. Unstable Stable CL D. VKA = 15 V @IK = 10 mA Stable 60 Test circuit for curve B, C, D 150 40 IK D. Unstable 20 CL C. Unstable 0 0.001 IK 0.003 0.01 0.03 0.1 0.3 1 3 5 10 30 100 Load capacitance CL (F) 6 2009-09-30 TA76431F/FR Package Dimensions Weight: 0.05 g (typ.) 7 2009-09-30 TA76431F/FR RESTRICTIONS ON PRODUCT USE * Toshiba Corporation, and its subsidiaries and affiliates (collectively "TOSHIBA"), reserve the right to make changes to the information in this document, and related hardware, software and systems (collectively "Product") without notice. * This document and any information herein may not be reproduced without prior written permission from TOSHIBA. Even with TOSHIBA's written permission, reproduction is permissible only if reproduction is without alteration/omission. * Though TOSHIBA works continually to improve Product's quality and reliability, Product can malfunction or fail. Customers are responsible for complying with safety standards and for providing adequate designs and safeguards for their hardware, software and systems which minimize risk and avoid situations in which a malfunction or failure of Product could cause loss of human life, bodily injury or damage to property, including data loss or corruption. 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Product and related software and technology may be controlled under the Japanese Foreign Exchange and Foreign Trade Law and the U.S. Export Administration Regulations. Export and re-export of Product or related software or technology are strictly prohibited except in compliance with all applicable export laws and regulations. * Please contact your TOSHIBA sales representative for details as to environmental matters such as the RoHS compatibility of Product. Please use Product in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances, including without limitation, the EU RoHS Directive. TOSHIBA assumes no liability for damages or losses occurring as a result of noncompliance with applicable laws and regulations. 8 2009-09-30