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| 型号： | MCP1603T-ADJI/OS |
| 厂商： | Microchip Technology |
| 文件页数： | 1/26页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ TSOT23-5 |
| 标准包装： | 1 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.8 V ~ 4.5 V |
| 输入电压： | 2.7 V ~ 5.5 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 2MHz |
| 电流 - 输出： | 500mA |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-5 细型，TSOT-23-5 |
| 包装： | 标准包装 |
| 供应商设备封装： | TSOT-23-5 |
| 产品目录页面： | 668 (CN2011-ZH PDF) |
| 配用： | MCP1603RD-TNY-ND - REFERENCE DESIGN FOR MCP1603 MCP1603EV-ND - BOARD EVAL BUCK CONV MCP1603 |
| 其它名称： | MCP1603T-ADJI/OSDKR |
MCP1603
2.0 MHz, 500 mA Synchronous Buck Regulator
Features
General Description
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Over 90% Typical Efficiency
Output Current Up To 500 mA
Low Quiescent Current = 45 μA, typical
Low Shutdown Current = 0.1 μA, typical
Adjustable Output Voltage:
- 0.8V to 4.5V
Fixed Output Voltage:
- 1.2V, 1.5V, 1.8V, 2.5V, and 3.3V
2.0 MHz Fixed-Frequency PWM (Heavy Load)
Automatic PWM to PFM Mode Transition
100% Duty Cycle Operation
Internally Compensated
Undervoltage Lockout (UVLO)
Overtemperature Protection
Space Saving Packages:
The MCP1603 is a high efficient, fully integrated
500 mA synchronous buck regulator whose 2.7V to
5.5V input voltage range makes it ideally suited for
applications powered from 1-cell Li-Ion or 2-cell/3-cell
NiMH/NiCd batteries.
At heavy loads, the MCP1603 operates in the 2.0 MHz
fixed frequency PWM mode which provides a low
noise, low output ripple, small-size solution. When the
load is reduced to light levels, the MCP1603
automatically changes operation to a PFM mode to
minimize quiescent current draw from the battery. No
intervention is necessary for a smooth transition from
one mode to another. These two modes of operation
allow the MCP1603 to achieve the highest efficiency
over the entire operating current range.
The MCP1603 is available with either an adjustable or
fixed output voltage. The available fixed output voltage
- 5-Lead TSOT
- 8-Lead 2X3 DFN
Applications
options are 1.2V, 1.5V, 1.8V, 2.5V, and 3.3V. When a
fixed option is used, only three additional small external
components are needed to form a complete solution.
Couple this with the low profile, small-foot print
packages and the entire system solution is achieved
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Cellular Telephones
with minimal size.
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Portable Computers
Organizers / PDAs
USB Powered Devices
Digital Cameras
Portable Equipment
+5V or +3.3V Distributed Systems
Additional protection features include:
overtemperature, and overcurrent protection.
UVLO,
Package Types
5-Lead TSOT
8-Lead 2x3 DFN
V IN
1
5
L X
SHDN
1
5
V FB /V OUT
L X 1
8 GND
GND
2
GND
2
NC 2
SHDN 3
7 V IN
6 NC
SHDN
3
4
V FB /V OUT
L X
3
4
V IN
V FB /V OUT 4
5 NC
MCP1603
? 2007 Microchip Technology Inc.
MCP1603L
DS22042A-page 1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MCP1604-080I/MF | 功能描述:开关变换器、稳压器与控制器 20MHz 12A Synch-Buck PFM/PWM Reg RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| MCP1604-080I/UN | 功能描述:开关变换器、稳压器与控制器 20MHz 12A Synch-Buck PFM/PWM Reg RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| MCP1604-120I/MF | 功能描述:开关变换器、稳压器与控制器 20MHz 12A Synch-Buck PFM/PWM Reg RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| MCP1604-120I/UN | 功能描述:开关变换器、稳压器与控制器 20MHz 12A Synch-Buck PFM/PWM Reg RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| MCP1604-150I/MF | 功能描述:开关变换器、稳压器与控制器 20MHz 12A Synch-Buck PFM/PWM Reg RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
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