參數(shù)資料
型號: S-818A60AMC-BHO-T2
元件分類: 固定正電壓單路輸出LDO穩(wěn)壓器
英文描述: 6 V FIXED POSITIVE LDO REGULATOR, 0.2 V DROPOUT, PDSO5
封裝: SOT-23, 5 PIN
文件頁數(shù): 3/31頁
文件大?。?/td> 716K
代理商: S-818A60AMC-BHO-T2
LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.1.4_00
S-818 Series
Seiko Instruments Inc.
11
Description of Operation
1. Basic Operation
Figure 11
shows the block diagram of the S-818 Series.
The error amplifier compares a reference voltage (Vref) with the part of the output voltage divided by the
feedback resistors Rs and Rf. It supplies the output transistor with the gate voltage, necessary to ensure
certain output voltage free of any fluctuations of input voltage and temperature.
VOUT
*1
VSS
VIN
RS
Rf
Error amplifier
Current sauce
Vref
+
Reference
voltage circuit
*1.
Parasitic diode
Figure 11 Block diagram
2. Output Transistor
The S-818 Series uses a Pch 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.
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