参数资料
| 型号： | MCP1701AT-4602I/MB |
| 厂商： | Microchip Technology |
| 文件页数： | 10/22页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 4.6V SOT89-3 |
| 标准包装： | 1,000 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 4.6V |
| 输入电压： | 最高 10V |
| 稳压器数量： | 1 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-243AA |
| 供应商设备封装： | SOT-89-3 |
| 包装： | 带卷 (TR) |
MCP1701A
4.0
DETAILED DESCRIPTION
4.2
Input Capacitor
The MCP1701A is a low-quiescent current, precision,
fixed-output voltage LDO. Unlike bipolar regulators,
the MCP1701A supply current does not increase
proportionally with load current.
4.1 Output Capacitor
A minimum of 1 μF output capacitor is required. The
output capacitor should have an ESR greater than
A 1 μF input capacitor is recommended for most
applications when the input impedance is on the order
of 10 Ω . Larger input capacitance may be required for
stability when operating from a battery input, or if there
is a large distance from the input source to the LDO.
When large values of output capacitance are used, the
input capacitance should be increased to prevent high
source impedance oscillations.
0.1 Ω and less than 5 Ω , plus a resonant frequency
above 1 MHz. Larger output capacitors can be used to
4.3
Overcurrent
improve supply noise rejection and transient response.
Care should be taken when increasing C OUT to ensure
that the input impedance is not high enough to cause
high input impedance oscillation.
V IN
Short Circuit
Protection
Voltage
Reference
GND
The MCP1701 internal circuitry monitors the amount of
current flowing through the P-channel pass transistor.
In the event of a short circuit or excessive output
current, the MCP1701 will act to limit the output current.
V OUT
FIGURE 4-1:
DS21991C-page 10
MCP1701A Block Diagram.
? 2007 Microchip Technology Inc.
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| MCP1701AT-5002I/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-5002I/CB-CUT TAPE | 制造商:Microchip 功能描述:MCP1701 Series 250 mA 5.0 V LDO Positive Voltage Regulator - SOT-23-3 |
| MCP1701AT-5002I/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 |
| MCP1701T-1802I/CB | 功能描述:低压差稳压器 - LDO 250mA Adj LDO 2% 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 |
| MCP1701T-1802I/MB | 功能描述:低压差稳压器 - LDO 250mA Adj LDO 2% 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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