參數(shù)資料
型號(hào): S-1131B17PD-N4C-TFG
元件分類(lèi): 固定正電壓?jiǎn)温份敵鯨DO穩(wěn)壓器
英文描述: 1.7 V FIXED POSITIVE LDO REGULATOR, 0.85 V DROPOUT, PDSO6
封裝: LEAD FREE, HSON-6
文件頁(yè)數(shù): 5/30頁(yè)
文件大?。?/td> 407K
代理商: S-1131B17PD-N4C-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-1131B26PD-N4L-TFG 2.6 V FIXED POSITIVE LDO REGULATOR, 0.34 V DROPOUT, PDSO6
S-1131B21PD-N4G-TFG 2.1 V FIXED POSITIVE LDO REGULATOR, 0.55 V DROPOUT, PDSO6
S-1131B49PD-N5I-TFG 4.9 V FIXED POSITIVE LDO REGULATOR, 0.28 V DROPOUT, PDSO6
S-1131B35PD-N4U-TFG 3.5 V FIXED POSITIVE LDO REGULATOR, 0.28 V DROPOUT, PDSO6
S-1131B19PD-N4E-TFG 1.9 V FIXED POSITIVE LDO REGULATOR, 0.65 V DROPOUT, PDSO6
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S-1131B17UA-N4CTFG 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(lèi)型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
S-1131B17UC-N4CTFG 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(lèi)型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
S-1131B18PD-N4D-TF 功能描述:低壓差穩(wěn)壓器 - LDO 1.8 Volt 1% 0.25mV 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(lèi)型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
S-1131B18PD-N4DTFG 功能描述:低壓差穩(wěn)壓器 - LDO 1.8 Volt 1% 0.25mV 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(lèi)型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
S-1131B18UA-N4DTFG 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(lèi)型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20