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參數(shù)資料
| 型號： | TLV431A |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | Low Voltage Precision Adjustable Shunt Regulator(低壓可調(diào)精密分流穩(wěn)壓器) |
| 中文描述： | 低電壓精密可調(diào)并聯(lián)穩(wěn)壓器（低壓可調(diào)精密分流穩(wěn)壓器） |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 146K |
| 代理商： | TLV431A |
1
Publication Order Number:
TLV431A/D
Semiconductor Components Industries, LLC, 2006
February, 2006 Rev. 9
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 turnon characteristic with a low dynamic
impedance of 0.20 over an operating current range of 100 A 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 TO923 and micro size TSOP5 and
SOT233 packages.
Features
Programmable Output Voltage Range of 1.24 V to 16 V
Voltage Reference Tolerance
0.5% for B Series
Sharp Low Current TurnOn Characteristic
Low Dynamic Output Impedance of 0.20 from 100 A to 20 mA
Wide Operating Current Range of 50 A to 20 mA
Micro Miniature TSOP5, SOT233 and TO923 Packages
PbFree Packages are Available
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
Analog and Digital Circuits Requiring Precision References
Low Voltage Zener Diode Replacements
1.0% for A Series and
+
1.24 V
ref
Reference (R)
Cathode (K)
Anode (A)
Figure 1. Representative Block Diagram
TO9233
LP SUFFIX
CASE 29
1
23
TSOP5
SN SUFFIX
CASE 483
123
5
4
SOT233
SN1 SUFFIX
CASE 318
1
2
3
See detailed ordering and shipping information in the package
dimensions section on page 11 of this data sheet.
ORDERING INFORMATION
See general marking information in the device marking
section on page 10 of this data sheet.
DEVICE MARKING INFORMATION
AND PIN CONNECTIONS
http://onsemi.com
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PDF描述 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TLV431ACDBV | 制造商:TI 制造商全稱:Texas Instruments 功能描述:LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATORS |
| TLV431ACDBVR | 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 Lw V Adj Shunt RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)確度:0.25 % 平均溫度系數(shù)（典型值）:100 PPM / C 串聯(lián) VREF - 輸入電壓（最大值）: 串聯(lián) VREF - 輸入電壓（最小值）: 分流電流（最大值）:60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel |
| TLV431ACDBVR | 制造商:Texas Instruments 功能描述:Leaded Process Compatible:No |
| TLV431ACDBVRE4 | 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 Lo Vtg Adj Precision Shunt Regulator RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)確度:0.25 % 平均溫度系數(shù)（典型值）:100 PPM / C 串聯(lián) VREF - 輸入電壓（最大值）: 串聯(lián) VREF - 輸入電壓（最小值）: 分流電流（最大值）:60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel |
| TLV431ACDBVRG4 | 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 Lo Vtg Adj Precision Shunt Regulator RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)確度:0.25 % 平均溫度系數(shù)（典型值）:100 PPM / C 串聯(lián) VREF - 輸入電壓（最大值）: 串聯(lián) VREF - 輸入電壓（最小值）: 分流電流（最大值）:60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel |
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