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| 型号： | MCP1802T-0902I/OT |
| 厂商： | Microchip Technology |
| 文件页数： | 15/28页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 0.9V .26A SOT23-5 |
| 标准包装： | 3,000 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 0.9V |
| 输入电压： | 2 V ~ 10 V |
| 稳压器数量： | 1 |
| 电流 - 输出： | 260mA（最小） |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SC-74A，SOT-753 |
| 供应商设备封装： | SOT-23-5 |
| 包装： | 带卷 (TR) |
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MCP1802
5.0
FUNCTIONAL DESCRIPTION
5.2
Output
The MCP1802 CMOS low dropout linear regulator is
intended for applications that need the low current
consumption while maintaining output voltage
regulation. The operating continuous load range of the
MCP1802 is from 0 mA to 300 mA. The input operating
voltage range is from 2.0V to 10.0V, making it capable
of operating from three or more alkaline cells or single
and multiple Li-Ion cell batteries.
The maximum rated continuous output current for the
MCP1802 is 300 mA.
A minimum output capacitance of 1.0 μF is required for
small signal stability in applications that have up to
300 mA output current capability. The capacitor type
can be ceramic, tantalum or aluminum electrolytic.
5.1
Input
The input of the MCP1802 is connected to the source
of the P-Channel PMOS pass transistor. As with all
LDO circuits, a relatively low source impedance (10 ? )
is needed to prevent the input impedance from causing
the LDO to become unstable. The size and type of the
capacitor needed depends heavily on the input source
type (battery, power supply) and the output current
range of the application. For most applications a 0.1 μF
ceramic capacitor will be sufficient to ensure circuit
stability. Larger values can be used to improve circuit
AC performance.
? 2010 Microchip Technology Inc.
DS22053C-page 15
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MCP1802T-1202I/OT | 功能描述:低压差稳压器 - LDO Hi PSRR 300 mA LDO Vin 10V maxVout 1.2V 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 |
| MCP1802T-1802E/OT | 制造商:Microchip Technology Inc 功能描述:HIGH PSRR 300 MA LDO, VIN 10V MAX, VOUT =1.8V SOT-23-5-TR - Tape and Reel |
| MCP1802T-1802I/OT | 功能描述:低压差稳压器 - LDO Hi PSRR 300 mA LDO Vin 10V maxVout 1.8V 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 |
| MCP1802T-1802I/OT | 制造商:Microchip Technology Inc 功能描述:; Input Voltage Primary Max:10V; Output |
| MCP1802T-2502E/OT | 制造商:Microchip Technology Inc 功能描述:HIGH PSRR 300 MA LDO, VIN 10V MAX, VOUT =2.5V SOT-23-5-TR - Tape and Reel |
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