參數(shù)資料
型號: TLV431AIDBVTE4
廠商: TEXAS INSTRUMENTS INC
元件分類: 基準電壓源/電流源
英文描述: 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 1.24 V, PDSO5
封裝: GREEN, PLASTIC, SOT-23, 5 PIN
文件頁數(shù): 10/41頁
文件大?。?/td> 1102K
代理商: TLV431AIDBVTE4
TLV431, TLV431A, TLV431B
LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATOR
SLVS139T JULY 1996 REVISED JUNE 2007
18
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
~
P
+
P
VCC
VFB
Current
Sense
Gate Drive
GND
Controller
P
PP
TLV431
or
TLV431A
or
TLV431B
VO
3.3 V
VI
120 V
Figure 18. Flyback With Isolation Using TLV431, TLV431A, or TLV431B
as Voltage Reference and Error Amplifier
Figure 18 shows the TLV431, TLV431A, or TLV431B used in a 3.3-V isolated flyback supply. Output voltage VO
can be as low as reference voltage VREF (1.24 V ± 1%). The output of the regulator, plus the forward voltage
drop of the optocoupler LED (1.24 + 1.4 = 2.64 V), determine the minimum voltage that can be regulated in an
isolated supply configuration. Regulated voltage as low as 2.7 Vdc is possible in the topology shown in
Figure 18.
相關(guān)PDF資料
PDF描述
TLV431BQDCKTG4 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 1.24 V, PDSO6
TLV431BQLPR 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 1.24 V, PBCY3
TLV431BQDCKTE4 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 1.24 V, PDSO6
TLV431CDBVTE4 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 1.24 V, PDSO5
TLV431IDBVTG4 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 1.24 V, PDSO5
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TLV431AIDBVTG4 功能描述:基準電壓& 基準電流 Lo Vltg Adj Prec Shunt Reg RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓撲結(jié)構(gòu):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(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
TLV431AIDBZR 功能描述:基準電壓& 基準電流 Lo Vtg Adj Precision Shunt Regulator RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓撲結(jié)構(gòu):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(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
TLV431AIDBZR 制造商:Texas Instruments 功能描述:IC ADJ SHUNT REGULATOR
TLV431AIDBZR 制造商:Texas Instruments 功能描述:IC ADJ SHUNT REG 1.24V 1%
TLV431AIDBZRG4 功能描述:基準電壓& 基準電流 Lo Vtg Adj Precision Shunt Regulator RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓撲結(jié)構(gòu):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(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