Datasheet > SCV431

SCV431

更新时间： 2024-11-06 02:52:39

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
19页	394K
描述
Low Voltage Precision Adjustable Shunt Regulator

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SCV431 数据手册

Low Voltage Precision

Adjustable Shunt Regulator

TLV431, NCV431, SCV431

The TLV431A, B and C series are precision low voltage shunt

regulators that are programmable over a wide voltage range of 1.24 V to

16 V. The TLV431A series features a guaranteed reference accuracy of

1.0% at 25°C and 2.0% over the entire industrial temperature range of

−40°C to 85°C. The TLV431B series features higher reference accuracy

of 0.5% and 1.0% respectively. For the TLV431C series, the accuracy

is even higher. It is 0.2% and 1.0% respectively. These devices exhibit

a sharp low current turn−on characteristic with a low dynamic impedance

of 0.20 W over an operating current range of 100 mA to 20 mA. This

combination of features makes this series an excellent replacement for

zener diodes in numerous applications circuits that require a precise

reference voltage. When combined with an optocoupler, the

TLV431A/B/C can be used as an error amplifier for controlling the

feedback loop in isolated low output voltage (3.0 V to 3.3 V) switching

power supplies. These devices are available in economical TO−92−3 and

micro size TSOP−5 and SOT−23−3 packages.

www.onsemi.com

Pin 1. Reference

2. Anode

3. Cathode

STRAIGHT LEAD

BULK PACK

BENT LEAD

TAPE & REEL

AMMO PACK

TO−92

LP SUFFIX

CASE 29−11

LPRA, LPRE, LPRM,

LPRP SUFFIX

CASE 29−11

Features

• Programmable Output Voltage Range of 1.24 V to 16 V

• Voltage Reference Tolerance 1.0% for A Series, 0.5% for B Series

and 0.2% for C Series

Pin 1. NC

2. NC

TSOP−5

SN SUFFIX

CASE 483

• Sharp Low Current Turn−On Characteristic

• Low Dynamic Output Impedance of 0.20 W from 100 mA to 20 mA

• Wide Operating Current Range of 50 mA to 20 mA

• Micro Miniature TSOP−5, SOT−23−3 and TO−92−3 Packages

• NCV and SCV Prefix for Automotive and Other Applications

Requiring Unique Site and Control Change Requirements;

AEC−Q100 Qualified and PPAP Capable

3. Cathode

4. Reference

5. Anode

SOT−23

SN1 SUFFIX

CASE 318

Pin 1. Reference

2. Cathode

3. Anode

• These are Pb−Free and Halide−Free Devices

Applications

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 14 of this data sheet.

• Low Output Voltage (3.0 V to 3.3 V) Switching Power Supply

Error Amplifier

• Adjustable Voltage or Current Linear and Switching Power Supplies

• Voltage Monitoring

DEVICE MARKING INFORMATION

AND PIN CONNECTIONS

See general marking information in the device marking

section on page 13 of this data sheet.

• Current Source and Sink Circuits

• Analog and Digital Circuits Requiring Precision References

• Low Voltage Zener Diode Replacements

Cathode (K)

Reference (R)

1.24 V

ref

Anode (A)

Figure 1. Representative Block Diagram

Publication Order Number:

January, 2020 − Rev. 26

TLV431A/D

12 3 4 5 6 7...19

中文翻译

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与SCV431相关器件

型号	品牌	获取价格	描述	数据表
SCV431ASN1T1G	ONSEMI	获取价格	Low Voltage Precision Adjustable Shunt Regulator
SCV431B	ONSEMI	获取价格	Low Voltage Precision Adjustable Shunt Regulator
SCV431BSN1T1G	ONSEMI	获取价格	Low Voltage Precision Adjustable Shunt Regulator
SCV-8	COOPER	获取价格	Electric Fuse, Time Delay Blow, 8A, 600VAC, 170VDC, 100000A (IR), Through Hole,
SCVF02400E	AMPHENOL	获取价格	Barrier Strip Terminal Block, 12A, 1 Row(s), 1 Deck(s)
SCVF02410E	AMPHENOL	获取价格	Barrier Strip Terminal Block, 12A, 1 Row(s), 1 Deck(s)
SCVF0241E	AMPHENOL	获取价格	12A, BARRIER STRIP TERMINAL BLOCK, 1 ROW, 1 DECK
SCVF02420E	AMPHENOL	获取价格	Barrier Strip Terminal Block, 12A, 1 Row(s), 1 Deck(s)
SCVF024G0	AMPHENOL	获取价格	Barrier Strip Terminal Block,
SCVF024G0E	AMPHENOL	获取价格	Barrier Strip Terminal Block, 12A, 1 Row(s), 1 Deck(s)

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