參數(shù)資料
型號(hào)： S-1131B33UC-N4S-TFG
元件分類： 固定正電壓單路輸出LDO穩(wěn)壓器
英文描述： 3.3 V FIXED POSITIVE LDO REGULATOR, 0.34 V DROPOUT, PDSO5
封裝： LEAD FREE, SOT-89, 5 PIN
文件頁數(shù)： 5/30頁
文件大?。?/td> 407K
代理商： S-1131B33UC-N4S-TFG
HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
Rev.4.0_00
S-1131 Series
Seiko Instruments Inc.
13
Operation
1. Basic operation
Figure 13 shows the block diagram of the S-1131 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 13
2. Output transistor
The S-1131 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 VOUT pin through a parasitic diode to VIN pin.
相關(guān)PDF資料
PDF描述
S-1131B51UC-N5K-TFG 5.1 V FIXED POSITIVE LDO REGULATOR, 0.28 V DROPOUT, PDSO5
S-1131B17UC-N4C-TFG 1.7 V FIXED POSITIVE LDO REGULATOR, 0.85 V DROPOUT, PDSO5
S-1131B26UC-N4L-TFG 2.6 V FIXED POSITIVE LDO REGULATOR, 0.34 V DROPOUT, PDSO5
S-1131B21UC-N4G-TFG 2.1 V FIXED POSITIVE LDO REGULATOR, 0.55 V DROPOUT, PDSO5
S-1131B49UC-N5I-TFG 4.9 V FIXED POSITIVE LDO REGULATOR, 0.28 V DROPOUT, PDSO5
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S-1131B33UC-N4STFU 功能描述:IC REG LINEAR 300MA SOT89-5 制造商:ablic u.s.a. inc. 系列:* 包裝:剪切帶（CT） 零件狀態(tài):在售 安裝類型:表面貼裝 封裝/外殼:SOT-89-5/6 供應(yīng)商器件封裝:SOT-89-5 標(biāo)準(zhǔn)包裝:1
S-1131B34PD-N4TTFG 制造商:Seiko Instruments Inc (SII) 功能描述:REG LDO LIN FIX POS 3.4V 0.3A 6PIN HSON(A) - Tape and Reel 制造商:Seiko Instruments Inc (SII) 功能描述:IC REG LDO 3.4V 0.3A 6HSON
S-1131B34UA-N4TTFG 功能描述:低壓差穩(wěn)壓器 - LDO Linear LDO Reg Hi 35uA Iq 300mA 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-1131B34UC-N4TTFG 功能描述:低壓差穩(wěn)壓器 - LDO Linear LDO Reg Hi 35uA Iq 300mA 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-1131B35PD-N4UTFG 制造商:Seiko Instruments Inc (SII) 功能描述:REG LDO LIN FIX POS 3.5V 0.3A 6PIN HSON(A) - Tape and Reel 制造商:Seiko Instruments Inc (SII) 功能描述:IC REG LDO 3.5V 0.3A 6HSON
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