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參數資料
| 型號： | RC0431A |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Low-Voltage Adjustable Precision Shunt Regulator |
| 中文描述： | 低電壓可調節精密并聯穩壓器 |
| 文件頁數： | 1/9頁 |
| 文件大?。?/td> | 540K |
| 代理商： | RC0431A |
www.fairchildsemi.com
REV. 1.0.7 8/5/03
Features
Low voltage operation to 1.24V
1% reference voltage tolerance
Output voltage adjustable from V
ref
to 12V
Low 80μA operational cathode current
0.25
typical output impedance
TO-92, SOT23-3 and SOT23-5 packages
Applications
Voltage reference for discrete power circuits
Description
The RC0431A is a low-voltage 3-terminal adjustable
precision voltage reference regulator. It has an excellent
thermal stability over the standard commercial temperature
range. The output voltage can be set to any value between
Vref (1.24V) and 12V using two external resistors. The
RC0431A operates from a lower voltage (1.24V) than the
traditional shunt regulator references which operate from
2.5V. When used with an optocoupler, the RC0431A will be
an ideal voltage reference in an isolated feedback circuit for
use in switched-mode power supplies and modular DC-DC
converters. The RC0431A has a low output impedance of
active output circuitry offering a very sharp turn-on
characteristic. The RC0431A will be an excellent
replacement for low-voltage zener diodes in many
applications such as on-board regulation and adjustable
power supplies.
Symbol
Block Diagram
RC0431A (RC431A)
Low-Voltage Adjustable Precision Shunt Regulator
REF
65-431A-01
Anode
Cathode
V
ref
= 1.24V
REF
+
_
CATHODE
ANODE
65-431A-02
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| RC0431AMCT | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
| RC0431AMT | 功能描述:基準電壓& 基準電流 1.5% Tolerance Shunt adjustable RoHS:否 制造商:STMicroelectronics 產品:Voltage References 拓撲結構:Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準確度:0.25 % 平均溫度系數（典型值）:100 PPM / C 串聯 VREF - 輸入電壓（最大值）: 串聯 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 |
| RC0431AMT_32 | 功能描述:基準電壓& 基準電流 adj Shunt Regulator Low Voltage RoHS:否 制造商:STMicroelectronics 產品:Voltage References 拓撲結構:Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準確度:0.25 % 平均溫度系數（典型值）:100 PPM / C 串聯 VREF - 輸入電壓（最大值）: 串聯 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 |
| RC0431AMT_Q | 功能描述:基準電壓& 基準電流 1.5% Tolerance Shunt adjustable RoHS:否 制造商:STMicroelectronics 產品:Voltage References 拓撲結構:Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準確度:0.25 % 平均溫度系數（典型值）:100 PPM / C 串聯 VREF - 輸入電壓（最大值）: 串聯 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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