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参数资料
| 型号： | NJM2871F34 |
| 元件分类： | 固定正电压单路输出LDO稳压器 |
| 英文描述： | 3.4 V FIXED POSITIVE LDO REGULATOR, 0.18 V DROPOUT, PDSO5 |
| 封装： | SOT-23, 5 PIN |
| 文件页数： | 4/8页 |
| 文件大小： | 125K |
| 代理商： | NJM2871F34 |
NJM2871/A, NJM2872/A
- 4 -
Ver.2007-01-06
s TYPICALAPPLICATION
1 In case that ON/OFF Control is not required:
VIN
VOUT
CONTROL
NOISE
BYPASS
GND
0.1
F
Cp=0.01
F
VOUT
VIN
R
(0
300k)
1.0
F *5
*5
2.0V < Vo
≤ 2.6V version : Co=2.2F
Vo
≤ 2.0V version : Co=4.7F
Connect control terminal to VIN terminal
2 In use of ON/OFF CONTROL:
VIN
VOUT
CONTROL
NOISE
BYPASS
GND
0.1
F
Cp=0.01
F
VOUT
VIN
R
1.0
F
*5
*5
2.0V < Vo
≤ 2.6V version : Co=2.2F
Vo
≤ 2.0V version : Co=4.7F
State of control terminal:
“H”→ output is enabled.
“L” or “open” → output is disabled.
Noise bypass Capacitance Cp
Noise bypass capacitance Cp reduces noise generated by band-gap reference circuit. Noise level and ripple
rejection will be improved when larger Cp is used. Use of smaller Cp value may cause oscillation.
Use the Cp value of 0.01
F greater to avoid the problem.
In the case of using a resistance "R" between VIN and control.
The current flow into the control terminal while the IC is ON state (ICONT) can be reduced when a pull up resistance
"R" is inserted between VIN and the control terminal.
The minimum control voltage for ON state (VCONT(ON)) is increased due to the voltage drop caused by ICONT and the
resistance "R". The ICONT is temperature dependence as shown in the "Control Current vs. Temperature"
characteristics. Therefore, the resistance "R" should be carefully selected to ensure the control voltage exceeds the
VCONT (ON) over the required temperature range.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| NJM2871F34-TE1 | 功能描述:低压差稳压器 - LDO LDO 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 |
| NJM2871F35-TE1 | 功能描述:低压差稳压器 - LDO LDO 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 |
| NJM2871F38-TE1 | 功能描述:低压差稳压器 - LDO LDO 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 |
| NJM2871F45-TE1 | 功能描述:低压差稳压器 - LDO LDO 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 |
| NJM2871F45-TE2 | 功能描述:低压差稳压器 - LDO Low Dropout Volt Regulator 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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