参数资料
型号: S-818A36AUC-BGQT2U
元件分类: 固定正电压单路输出LDO稳压器
英文描述: 3.6 V FIXED POSITIVE LDO REGULATOR, 0.33 V DROPOUT, PDSO5
封装: HALOGEN FREE AND LEAD FREE, SOT-89, 5 PIN
文件页数: 4/32页
文件大小: 393K
代理商: S-818A36AUC-BGQT2U
LOW DROPOUT CMOS VOLTAGE REGULATOR
S-818 Series
Rev.3.0_00
Seiko Instruments Inc.
12
Operation
1. Basic Operation
Figure 12 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 source
Vref
+
Reference
voltage circuit
*1. Parasitic diode
Figure 12 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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S-818A37AMC-BGRT2G 功能描述:低压差稳压器 - LDO Linear LDO regulator 30uA Iq 300mA Iout RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压(最大值):307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20
S-818A37AUC-BGRT2G 功能描述:低压差稳压器 - LDO Linear LDO Regulator 30uA Iq 300mA Iout RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压(最大值):307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20
S-818A38AMC-BGS-T2 功能描述:低压差稳压器 - LDO 3.8V 0.1uA 2.0% RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压(最大值):307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20
S-818A38AMC-BGST2G 功能描述:低压差稳压器 - LDO 3.8V 0.1uA 2.0% RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压(最大值):307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20
S-818A38AUC-BGS-T2 功能描述:低压差稳压器 - LDO 3.8V 0.1uA 2.0% RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压(最大值):307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20