TLV431ALPRE

更新时间： 2024-01-10 23:35:20

品牌	Logo	应用领域
安森美 - ONSEMI		稳压器
页数	文件大小	规格书
14页	186K
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Low Voltage Precision Adjustable Shunt Regulator

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TLV431ALPRE 数据手册

TLV431A, TLV431B

Low Voltage Precision

Adjustable Shunt Regulator

The TLV431A and B 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. For TLV431B series, the accuracy is even

higher, it’s 0.5% 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 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.

http://onsemi.com

TO−92−3−3

LP SUFFIX

CASE 29

TSOP−5

SN SUFFIX

CASE 483

Features

• Programmable Output Voltage Range of 1.24 V to 16 V

• Voltage Reference Tolerance "1.0% for A Series and

"0.5% for B Series

• Sharp Low Current Turn−On Characteristic

SOT−23−3

SN1 SUFFIX

CASE 318

• 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

• Pb−Free Packages are Available

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 11 of this data sheet.

Applications

• 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

• Current Source and Sink Circuits

DEVICE MARKING INFORMATION

AND PIN CONNECTIONS

See general marking information in the device marking

section on page 11 of this data sheet.

• 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



Semiconductor Components Industries, LLC, 2005

Publication Order Number:

January, 2005 − Rev. 7

TLV431A/D

12 3 4 5 6 7...14

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TLV431ALPRE 替代型号

型号	品牌	替代类型	描述	数据表
TLV431ALPREG	ONSEMI	类似代替	Low Voltage Precision Adjustable Shunt Regulator

与TLV431ALPRE相关器件

型号	品牌	获取价格	描述	数据表
TLV431ALPREG	ONSEMI	获取价格	Low Voltage Precision Adjustable Shunt Regulator
TLV431ALPRF	ONSEMI	获取价格	1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.24V, PBCY3, PLASTIC, TO-92, 3 PIN
TLV431ALPRM	ONSEMI	获取价格	Low Voltage Precision Adjustable Shunt Regulator
TLV431ALPRMG	ONSEMI	获取价格	Low Voltage Precision Adjustable Shunt Regulator 1.0% Vref, TO-92 (TO-226) 5.33mm Body Hei
TLV431ALPRP	ONSEMI	获取价格	Low Voltage Precision Adjustable Shunt Regulator
TLV431ALPRPG	ONSEMI	获取价格	Low Voltage Precision Adjustable Shunt Regulator
TLV431A-Q1	TI	获取价格	LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS
TLV431AQDBVR	TI	获取价格	LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATOR
TLV431AQDBVRQ1	TI	获取价格	LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS
TLV431AQE5TA	DIODES	获取价格	AUTOMOTIVE-COMPLIANT 1.24V SHUNT REGULATOR

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