ta76432af TOSHIBA Semiconductor CORPORATION, ta76432af Datasheet

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ta76432af

Manufacturer Part Number
ta76432af
Description
1.26-v Adjustable High-precision Shunt Regulators
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet

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1.26-V Adjustable High-Precision Shunt Regulators
The TA76432 series consists of adjustable high-precision shunt
regulators whose output voltage (V
using two external resistors.
These devices have a precise internal reference voltage of 1.26 V,
enabling them to operate at low voltage.
The devices are ideal for use as error amplifiers in 3-V
switching-regulator systems. In addition, they can be used as
zener diodes to perform temperature compensation.
Features
Precision reference voltage: V
Small temperature coefficient: |αV
Adjustable output voltage: V
Minimum cathode current for regulation:
I
Operating temperature: Ta = −40~85°C
Packages: UFV (TA76432AFT),
The TA76432AFT is housed in an ultra-thin UFV package.
(thickness: 0.7 mm typ.)
kmin
TA76432AFT,TA76432AF,TA76432AFR,TA76432AS
= 0.5 mA (max.)
PW-MINI (TA76432AF/AFR) and
TO-92MOD (TA76432AS)
TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic
REF
REF
KA
≤ V
= 1.26 V ± 1% (Ta = 25°C)
) can be set arbitrarily
REF
OUT
| = 30 ppm/°C (typ.)
≤ 19 V
1
Weight
SSOP5-P-0.65C : 0.007 g (typ.)
HSOP3-P-1.50
SSIP3-P-1.27
TA76432AFT
TA76432AF/AFR
TA76432AS
TA76432AFT/AF/AFR/AS
: 0.05 g (typ.)
: 0.36 g (typ.)
2006-11-07

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ta76432af Summary of contents

Page 1

... Operating temperature −40~85°C • Packages: UFV (TA76432AFT), PW-MINI (TA76432AF/AFR) and TO-92MOD (TA76432AS) • The TA76432AFT is housed in an ultra-thin UFV package. (thickness: 0.7 mm typ.) ) can be set arbitrarily KA = 1.26 V ± 1% (Ta = 25° ppm/°C (typ.) REF ≤ V ≤ OUT ...

Page 2

... Reference (REF) 1.26 V Anode (A) TA76432AF/AFR Lot No. (three-digit number Type marking (two-digit number) •TA76432AF: AF •TA76432AFR: BF Packing Type and Capacity UFV Embossed tape: 3000/tape On cut tape (TE12L): 100/tape section Embossed tape: 1000/tape TO-92MOD Loose in bag: 200/bag (lead type) Radial tape: 2000/tape Circuit Symbol ...

Page 3

... Use of a laminated ceramic capacitor is recommended. (3) Precautions when handling anode pin of TA76432AFT Pin 2 and pin 5 should normally be shorted together. If only pin 5 is used, pin 2 should either be left open or always kept at a lower potential than pin 5. Do not leave pin 5 open and use pin 2 only. ...

Page 4

... V REF (dev) is defined as: REF ⎛ REF (dev) ⎜ ⎜ ⎜ ⎝ α REF V OUT GND Shunt regulator 4 TA76432AFT/AF/AFR/AS Typ. Max Unit ⎯ ⎯ ⎯ 85 °C Min Typ. Max 1.247 1.26 1.273 = V ⎯ ...

Page 5

... I K 200 REF Ta = 25°C 100 85° −40°C 25° 25°C −40°C 85°C −100 −1.0 −0.5 0 0.5 1.0 Cathode voltage V (V) KA 1.2 TA76432AF, AFR 1.0 2 0.8 0.6 0.4 0.2 0 140 160 0 20 Ambient temperature Ta (°C) 20 Input REF Ta = 25°C 0 −10 −1.0 −0.5 140 160 1 ...

Page 6

... Input 3.0 I REF 2.0 1.0 0.0 − Ambient temperature Ta (° − TA76432AFT/AF/AFR/AS I – Ta REF 120 160 A – OUT μ GND 25°C 100 Frequency f (Hz) ...

Page 7

... Stability boundary conditions Unstable Stable 5 0 0.001 0.003 0.01 0.03 0.1 Load capacitance C TA76432AFT/AF/AFR/ 25° REF 0 (μ 100 2006-11-07 ...

Page 8

... Package Dimensions TA76432AFT (UFV) Weight: 0.007 g (typ.) TA76432AFT/AF/AFR/AS 8 2006-11-07 ...

Page 9

... Package Dimensions TA76432AF/AFR (PW-MINI) Weight: 0.05 g (typ.) TA76432AFT/AF/AFR/AS 9 2006-11-07 ...

Page 10

... Package Dimensions TA76432AS (TO-92MOD) Weight: 0.36 g (typ.) TA76432AFT/AF/AFR/AS 10 2006-11-07 ...

Page 11

... Please contact your sales representative for product-by-product details in this document regarding RoHS compatibility. Please use these products in this document in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances. Toshiba assumes no liability for damage or losses occurring as a result of noncompliance with applicable laws and regulations. TA76432AFT/AF/AFR/AS 11 20070701-EN 2006-11-07 ...

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