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| 型号： | MCP1701A-5002I/TO |
| 厂商： | Microchip Technology |
| 文件页数： | 9/22页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 5V .25A TO-92-3 |
| 标准包装： | 1,000 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 5V |
| 输入电压： | 最高 10V |
| 电压 - 压降（标准）： | 0.38V @ 200mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 250mA（最小） |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 通孔 |
| 封装/外壳： | TO-226-3、TO-92-3 标准主体 |
| 供应商设备封装： | TO-92-3 |
| 包装： | 散装 |
MCP1701A
3.0
PIN DESCRIPTIONS
TABLE 3-1:
PIN FUNCTION TABLE
Pin No.
SOT-23A
1
2
3
Pin No.
SOT-89
1
3
2
Pin No.
TO-92
1
3
2
Name
GND
V OUT
V IN
Function
Ground Terminal
Regulated Voltage Output
Unregulated Supply Input
3.1
Ground Terminal (GND)
3.3
Unregulated Supply Input (V IN )
Regulator ground. Tie GND to the negative side of the
output and the negative side of the input capacitor.
Only the LDO bias current (2 μA, typ.) flows out of this
pin, there is no high current. The LDO output regulation
is referenced to this pin. Minimize voltage drops
between this pin and the negative side of the load.
3.2 Regulated Voltage Output (V OUT )
Connect V OUT to the positive side of the load and the
positive terminal of the output capacitor. The positive
side of the output capacitor should be physically
located as close as possible to the LDO V OUT pin. The
current flowing out of this pin is equal to the DC load
current.
? 2007 Microchip Technology Inc.
Connect the input supply voltage and the positive side
of the input capacitor to V IN . Like all low-dropout linear
regulators, low source impedance is necessary for the
stable operation of the LDO. The amount of
capacitance required to ensure low source impedance
will depend on the proximity of the input source
capacitors or battery type. The input capacitor should
be physically located as close as possible to the V IN
pin. For most applications, 1 μF of capacitance will
ensure stable operation of the LDO circuit. For
applications that have load currents below 100 mA, the
input capacitance requirement can be lowered. The
type of capacitor used can be ceramic, tantalum or
aluminum electrolytic. The low equivalent series
resistance characteristics of the ceramic will yield
better noise and PSRR performance at high frequency.
The current flow into this pin is equal to the DC load
current, plus the LDO bias current (2 μA, typical).
DS21991C-page 9
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MCP1701AT-1802I/CB | 功能描述:低压差稳压器 - LDO Low Iq 250mA 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 |
| MCP1701AT-1802I/MB | 功能描述:低压差稳压器 - LDO Low Iq 250mA 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 |
| MCP1701AT-2502I/CB | 功能描述:低压差稳压器 - LDO Low Iq 250mA 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 |
| MCP1701AT-2502I/MB | 功能描述:低压差稳压器 - LDO Low Iq 250mA 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 |
| MCP1701AT-3002I/CB | 功能描述:低压差稳压器 - LDO Low Iq 250mA 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 |
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