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| 型号： | MCP1700T-3102E/TT |
| 厂商： | Microchip Technology |
| 文件页数： | 12/24页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 3.1V .25A SOT-23-3 |
| 标准包装： | 3,000 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 3.1V |
| 输入电压： | 最高 6V |
| 电压 - 压降（标准）： | 0.178V @ 250mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 250mA（最小） |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-236-3，SC-59，SOT-23-3 |
| 供应商设备封装： | SOT-23-3 |
| 包装： | 带卷 (TR) |
MCP1700
5.0
FUNCTIONAL DESCRIPTION
5.2
Output
The MCP1700 CMOS low dropout linear regulator is
intended for applications that need the lowest current
consumption while maintaining output voltage
regulation. The operating continuous load range of the
MCP1700 is from 0 mA to 250 mA (V R ≥ 2.5V). The
input operating voltage range is from 2.3V to 6.0V,
making it capable of operating from two, three or four
alkaline cells or a single Li-Ion cell battery input.
The maximum rated continuous output current for the
MCP1700 is 250 mA (V R ≥ 2.5V). For applications
where V R < 2.5V, the maximum output current is
200 mA.
A minimum output capacitance of 1.0 μF is required for
small signal stability in applications that have up to
250 mA output current capability. The capacitor type
can be ceramic, tantalum or aluminum electrolytic. The
5.1
Input
esr range on the output capacitor can range from 0 Ω to
2.0 Ω .
The input of the MCP1700 is connected to the source
of the P-Channel PMOS pass transistor. As with all
5.3
Output Rise time
LDO circuits, a relatively low source impedance (10 Ω )
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 (up to
100 mA), a 1 μF ceramic capacitor will be sufficient to
ensure circuit stability. Larger values can be used to
improve circuit AC performance.
DS21826B-page 12
When powering up the internal reference output, the
typical output rise time of 500 μs is controlled to
prevent overshoot of the output voltage.
? 2007 Microchip Technology Inc.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MCP1700T-3302E/MAY | 制造商:Microchip Technology Inc 功能描述:250MA CMOS LDO, ISUPPLY 1UA AND 2% VOUT ACCURACY - Tape and Reel 制造商:Microchip Technology Inc 功能描述:IC REG LDO 3.3V 0.25A 6DFN 制造商:Microchip Technology Inc 功能描述:IC REG LDO 3.3V 0.2A 6DFN |
| MCP1700T-3302E/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 |
| MCP1700T-3302E/MB | 制造商:Microchip Technology Inc 功能描述:Low Dropout (LDO) Voltage Regulator IC |
| MCP1700T-3302E/MBAAC | 制造商:Microchip Technology Inc 功能描述:REG LDO LIN FIX POS - Tape and Reel |
| MCP1700T-3302E/TT | 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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