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| 型号： | S-818A21AMC-BGBT2U |
| 元件分类： | 固定正电压单路输出LDO稳压器 |
| 英文描述： | 2.1 V FIXED POSITIVE LDO REGULATOR, 0.87 V DROPOUT, PDSO5 |
| 封装： | HALOGEN FREE AND LEAD FREE, SOT-23, 5 PIN |
| 文件页数： | 2/32页 |
| 文件大小： | 393K |
| 代理商： | S-818A21AMC-BGBT2U |
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LOW DROPOUT CMOS VOLTAGE REGULATOR
S-818 Series
Rev.3.0_00
Seiko Instruments Inc.
10
Application Conditions
Input capacitor (CIN):
0.47
μF or more
Output capacitor (CL):
2
μF or more
Equivalent series resistor (ESR):
10
Ω or less
Input series resistor (RIN)
10
Ω or less
Caution A general series regulator may oscillate, depending on the external components selected.
Check that no oscillation occurs with the application using the above capacitor.
Standard Circuit
VSS
VOUT
VIN
CIN
*1
CL
*2
INPUT
OUTPUT
GND
Single GND
*1. CIN is a capacitor used to stabilize input. Use a capacitor of 0.47 μF or more
*2. In addition to a tantalum capacitor, a ceramic capacitor of 2.0
μF or more can be used for CL.
Figure 10
Caution The above connection diagram and constant will not guarantee successful operation.
Perform through evaluation using the actual application to set the constant.
Technical Terms
1. Low dropout voltage regulator
The low dropout voltage regulator is a voltage regulator having a low dropout voltage characteristic due to
the internal low on-resistance transistor.
2. Output voltage (VOUT)
The accuracy of the output voltage is ensured at
±2.0 % under the specified conditions of input voltage,
output current, and temperature, which differ product by product.
Caution When the above conditions are changed, the output voltage may vary and go out of the
accuracy range of the output voltage. Refer to the “ Electrical Characteristics” and
“ Characteristics” for details.
3. Line regulation 1 (
ΔVOUT1) and Line regulation 2 (ΔVOUT2)
Line regulation indicates the input voltage dependence of the output voltage. The value shows how much
the output voltage changes due to the change of the input voltage when the output current is kept
constant.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| S-818A21AUC-BGBT2G | 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-818A22AMC-BGCT2G | 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-818A22AUC-BGCT2G | 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-818A23AMC-BGDT2G | 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-818A23AUC-BGDT2G | 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 |
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