參數(shù)資料
型號(hào): S-T111B27MC-OGMTFU
元件分類: 固定正電壓單路輸出LDO穩(wěn)壓器
英文描述: 2.7 V FIXED POSITIVE LDO REGULATOR, 0.29 V DROPOUT, PDSO5
封裝: HALOGEN FREE AND LEAD FREE, SOT-23, 5 PIN
文件頁數(shù): 3/23頁
文件大?。?/td> 225K
代理商: S-T111B27MC-OGMTFU
HIGH RIPPLE-REJECTION LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.3.0_00
S-T111 Series
Seiko Instruments Inc.
11
Operation
1. Basic operation
Figure 11 shows the block diagram of the S-T111 Series.
The error amplifier compares the reference voltage (Vref) with Vfb, which is the output voltage resistance-
divided by feedback resistors Rs and Rf. It supplies the output transistor with the gate voltage necessary
to ensure a certain output voltage free of any fluctuations of input voltage and temperature.
Reference voltage
circuit
VOUT
*1
*1.
Parasitic diode
VSS
VIN
Rs
Rf
Error
amplifier
Current
supply
Vref
+
Vfb
Figure
11
2. Output transistor
The S-T111 Series uses a low on-resistance P-channel MOS FET as the output transistor.
Be sure that VOUT does not exceed VIN + 0.3 V to prevent the voltage regulator from being damaged due
to inverse current flowing from the VOUT pin through a parasitic diode to the VIN pin.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S-T111B28MC-OGNTFG 功能描述:低壓差穩(wěn)壓器 - LDO Linear LDO Reg Hi 50uA Iq 150mA Iout RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓(最大值):307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
S-T111B28MC-OGNTFU 功能描述:IC REG LINEAR 150MA SOT23-5 制造商:ablic u.s.a. inc. 系列:* 包裝:剪切帶(CT) 零件狀態(tài):在售 電流 - 輸出:150mA 工作溫度:-40°C ~ 85°C(TA) 安裝類型:表面貼裝 封裝/外殼:SC-74A,SOT-753 供應(yīng)商器件封裝:SOT-23-5 標(biāo)準(zhǔn)包裝:1
S-T111B29MC-OGOTFG 功能描述:低壓差穩(wěn)壓器 - LDO Linear LDO Reg Hi 50uA Iq 150mA Iout RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓(最大值):307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
S-T111B30MC-OGPTFG 功能描述:低壓差穩(wěn)壓器 - LDO Linear LDO Reg Hi 50uA Iq 150mA Iout RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓(最大值):307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
S-T111B30MC-OGPTFU 功能描述:IC REG LINEAR 150MA SOT23-5 制造商:ablic u.s.a. inc. 系列:* 包裝:剪切帶(CT) 零件狀態(tài):在售 電流 - 輸出:150mA 工作溫度:-40°C ~ 85°C(TA) 安裝類型:表面貼裝 封裝/外殼:SC-74A,SOT-753 供應(yīng)商器件封裝:SOT-23-5 標(biāo)準(zhǔn)包裝:1