參數(shù)資料
型號(hào): TLV431B
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(yè)數(shù): 10/14頁(yè)
文件大?。?/td> 146K
代理商: TLV431B
TLV431A, TLV431B
http://onsemi.com
10
Figure 32. Isolated Output Line Powered Switching Power Supply
The above circuit shows the TLV431A/B as a compensated amplifier controlling the feedback loop of an isolated output line
powered switching regulator. The output voltage is programmed to 3.3 V by the resistors values selected for R1 and R2. The
minimum output voltage that can be programmed with this circuit is 2.64 V, and is limited by the sum of the reference voltage
(1.24 V) and the forward drop of the optocoupler light emitting diode (1.4 V). Capacitor C1 provides loop compensation.
Gate Drive
V
CC
Controller
V
FB
GND
Current
Sense
DC Output
3.3 V
R1
3.0 k
R2
1.8 k
100
AC Input
C1
0.1 F
Anode
Reference
NC
NC
Cathode
5
4
1
2
3
TLV43
1XXX
ALYWW
PIN CONNECTIONS AND DEVICE MARKING
(Top View)
1
2
3
Cathode
Anode
Reference
1
2
3
(Top View)
XXX
A
Y
L
WW, W = Work Week
= PbFree Package
(Note: Microdot may be in either location)
= Specific Device Code
= Assembly Location
= Year
= Wafer Lot
1. Reference
2. Anode
3. Cathode
TO92
TSOP5
SOT233
XXX
M
= Specific Device Code
= Date Code
= PbFree Package
(Note: Microdot may be in either location)
X
X
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TLV431BCDBVR 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
TLV431BCDBVRE4 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
TLV431BCDBVRG4 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
TLV431BCDBVT 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
TLV431BCDBVTE4 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