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| 型号： | MCP1703A-2502E/DB |
| 厂商： | Microchip Technology |
| 文件页数： | 1/30页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 2.5V .25A SOT-223-3 |
| 标准包装： | 78 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 2.5V |
| 输入电压： | 最高 16V |
| 电压 - 压降（标准）： | 0.75V @ 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-261-4，TO-261AA |
| 供应商设备封装： | SOT-223-3 |
| 包装： | 管件 |
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MCP1703A
250 mA, 16V, Low Quiescent Current LDO Regulator
Features:
Description:
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Reduced Ground Current During Dropout
Faster Startup Time
2.0 μA Typical Quiescent Current
Input Operating Voltage Range: 2.7V to16.0V
250 mA Output Current for Output Voltages ≥ 2.5V
200 mA Output Current for Output Voltages < 2.5V
Low Dropout Voltage, 625 mV Typical @ 250 mA
for V R = 2.8V
0.4% Typical Output Voltage Tolerance
Standard Output Voltage Options:
- 1.2V, 1.5V, 1.8V, 2.5V, 2.8V, 3.0V, 3.3V, 4.0V,
5.0V
Output Voltage Range: 1.2V to 5.5V in 0.1V
Increments (50 mV increments available upon
request)
Stable with 1.0 μF to 22 μF Ceramic Output
Capacitance
Short-Circuit Protection
Overtemperature Protection
The MCP1703A is an improved version of the
MCP1703 low dropout (LDO) voltage regulator that can
deliver up to 250 mA of current while consuming only
2.0 μA of quiescent current (typical). The input
operating range is specified from 2.7V to 16.0V, making
it an ideal choice for two to six primary cell battery-
powered applications, 9V alkaline and one or two cell
Li-Ion-powered applications.
The MCP1703A is capable of delivering 250 mA with
only 625 mV (typical) of input to output voltage
differential (V OUT = 2.8V). The output voltage tolerance
of the MCP1703A is typically ±0.4% at +25°C and ±3%
maximum over the operating junction temperature
range of -40°C to +125°C. Line regulation is ±0.1%
typical at +25°C.
Output voltages available for the MCP1703A range
from 1.2V to 5.5V. The LDO output is stable when using
only 1 μF of output capacitance. Ceramic, tantalum, or
aluminum electrolytic capacitors can all be used for
input and output. Overcurrent limit and overtemperature
shutdown provide a robust solution for any application.
Applications:
Package options include the SOT-223-3, SOT-23A,
2x3 DFN-8, and SOT-89-3.
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Battery-Powered Devices
Battery-Powered Alarm Circuits
Package Types
6 NC
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Smoke Detectors
CO 2 Detectors
Pagers and Cellular Phones
Smart Battery Packs
Low Quiescent Current Voltage Reference
PDAs
Digital Cameras
Microcontroller Power
V OUT 1
NC 2
NC 3
GND 4
2x3 DFN*
8 V IN
EP 7 NC
9
5 NC
SOT-23A
V IN
3
1
2
GND V OUT
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Solar-Powered Instruments
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Consumer Products
SOT-89
V IN
SOT-223
Related Literature:
? AN765, “ Using Microchip’s Micropower LDOs ”,
DS00765, Microchip Technology Inc., 2007
? AN766, “ Pin-Compatible CMOS Upgrades to
1
2
3
1
2
3
Bipolar LDOs ”, DS00766,
Microchip Technology Inc., 2003
GND V IN V OUT
V IN GND V OUT
? AN792, “ A Method to Determine How Much
Power a SOT23 Can Dissipate in an Application ”,
DS00792, Microchip Technology Inc., 2001
? 2012 Microchip Technology Inc.
DS25122A-page 1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MCP1703A-2802E/DB | 功能描述:低压差稳压器 - LDO LOW Iq, High Vin 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 |
| MCP1703A-3002E/DB | 功能描述:低压差稳压器 - LDO LOW Iq, High Vin 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 |
| MCP1703A-3302E/DB | 功能描述:低压差稳压器 - LDO LOW Iq, High Vin 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 |
| MCP1703A-4002E/DB | 功能描述:低压差稳压器 - LDO LOW Iq, High Vin 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 |
| MCP1703A-5002E/DB | 功能描述:低压差稳压器 - LDO LOW Iq, High Vin 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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