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| 型号： | MCP1603EV |
| 厂商： | Microchip Technology |
| 文件页数： | 1/26页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL BUCK CONV MCP1603 |
| 标准包装： | 1 |
| 主要目的： | DC/DC，步降 |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 0.8V，1.2V，1.8V，2.5V，和 3.3V |
| 电流 - 输出： | 500mA |
| 输入电压： | 2.7 ~ 5.5 V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 2MHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | MCP1603 |
| 产品目录页面： | 664 (CN2011-ZH PDF) |
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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 |
|---|---|
| MCP1603L | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:2.0 MHz, 500 mA Synchronous Buck Regulator |
| MCP1603L-080I/OS | 制造商:Microchip Technology Inc 功能描述:2.0MHZ, 0.5A, SYNCH-BUCK PFM/PWM REG - Rail/Tube |
| MCP1603L-120I/MC | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:2.0 MHz, 500 mA Synchronous Buck Regulator |
| MCP1603L-120I/OS | 制造商:Microchip Technology Inc 功能描述:CONV DC-DC SGL-OUT STEP DOWN 5PIN TSOT - Rail/Tube |
| MCP1603L-150I/MC | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:2.0 MHz, 500 mA Synchronous Buck Regulator |
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