参数资料
| 型号： | MCP1725T-1802E/MC |
| 厂商： | Microchip Technology |
| 文件页数： | 1/32页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 1.8V .5A 8DFN |
| 产品培训模块： | High Current LDOs |
| 标准包装： | 3,300 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 1.8V |
| 输入电压： | 2.3 V ~ 6 V |
| 电压 - 压降（标准）： | 0.21V @ 500mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 500mA（最小） |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-VFDFN 裸露焊盘 |
| 供应商设备封装： | 8-DFN（2x3） |
| 包装： | 带卷 (TR) |
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MCP1725
500 mA, Low Voltage, Low Quiescent Current LDO Regulator
Features
Description
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500 mA Output Current Capability
Input Operating Voltage Range: 2.3V to 6.0V
Adjustable Output Voltage Range: 0.8V to 5.0V
Standard Fixed Output Voltages:
- 0.8V, 1.2V, 1.8V, 2.5V, 3.0V, 3.3V, 5.0V
Other Fixed Output Voltage Options Available
Upon Request
Low Dropout Voltage: 210 mV typical at 500 mA
Typical Output Voltage Tolerance: 0.5%
Stable with 1.0 μF Ceramic Output Capacitor
Fast response to Load Transients
Low Supply Current: 120 μA (typical)
Low Shutdown Supply Current: 0.1 μA (typical)
Adjustable Delay on Power Good Output
Short Circuit Current Limiting and
Overtemperature Protection
2x3 DFN-8 and SOIC-8 Package Options
The MCP1725 is a 500 mA Low Dropout (LDO) linear
regulator that provides high current and low output
voltages in a very small package. The MCP1725
comes in a fixed (or adjustable) output voltage version,
with an output voltage range of 0.8V to 5.0V. The
500 mA output current capability, combined with the
low output voltage capability, make the MCP1725 a
good choice for new sub-1.8V output voltage LDO
applications that have high current demands.
The MCP1725 is stable using ceramic output
capacitors that inherently provide lower output noise
and reduce the size and cost of the entire regulator
solution. Only 1 μF of output capacitance is needed to
stabilize the LDO.
Using CMOS construction, the quiescent current
consumed by the MCP1725 is typically less than
120 μA over the entire input voltage range, making it
attractive for portable computing applications that
demand high output current. When shut down, the
Applications
quiescent current is reduced to less than 0.1 μA.
The scaled-down output voltage is internally monitored
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High-Speed Driver Chipset Power
Networking Backplane Cards
Notebook Computers
Network Interface Cards
Palmtop Computers
Video Graphics Adapters
2.5V to 1.XV Regulators
and a power good (PWRGD) output is provided when
the output is within 92% of regulation (typical). An
external capacitor can be used on the C DELAY pin to
adjust the delay from 200 μs to 300 ms.
The overtemperature and short circuit current-limiting
provide additional protection for the LDO during system
fault conditions.
Package Types
Adjustable (SOIC-8)
Fixed (SOIC-8)
Adjustable (2x3 DFN)
Fixed (2x3 DFN)
V IN 1
V IN 2
SHDN 3
GND 4
8 V OUT
7 ADJ
6 C DELAY
5 PWRGD
V IN 1
V IN 2
SHDN 3
GND 4
8 V OUT
7 Sense
6 C DELAY
5 PWRGD
V IN 1
V IN 2
SHDN 3
8
7
6
V OUT
ADJ
C DELAY
V IN 1
V IN 2
SHDN 3
8
7
6
V OUT
Sense
C DELAY
GND 4
5
PWRGD
GND 4
5
PWRGD
? 2007 Microchip Technology Inc.
Note:
DFN tab is at ground potential.
DS22026B-page 1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MCP1725T-2502E/MC | 功能描述:低压差稳压器 - LDO 500mA CMOS LDO Vout=2.5V 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 |
| MCP1725T-2502E/SN | 功能描述:低压差稳压器 - LDO 500mA CMOS LDO Vout=2.5V 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 |
| MCP1725T-3002E/MC | 功能描述:低压差稳压器 - LDO 500mA CMOS LDO Vout=3.0V 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 |
| MCP1725T-3002E/SN | 功能描述:低压差稳压器 - LDO 500mA CMOS LDO Vout=3.0V 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 |
| MCP1725T-3302E/MC | 功能描述:低压差稳压器 - LDO 500mA CMOS LDO Vout=3.3V 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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