标题: MCP1602 Data Sheet [打印本页] 作者: admin 时间: 2010-4-17 14:47 标题: MCP1602 Data Sheet 2.0 MHz, 500 mA Synchronous Buck Regulator w/Power-Good
The MCP1602 is a high efficiency fully integrated 500 mA 2.0 MHz synchronous buck regulator ideally suited for Li-Ion/NiMH Battery powered application powered
Parameter Name Value
Device Description Step-down Regulator/Controller Combination
SW Reg Output 0.8 to 4.5V
Typical Active Supply (µA) 45
Switching Frequency (kHz) 2000
Output Current (mA) 500
Output Voltage (V) 0.8 to 4.5
Input Voltage Range (V) 2.7 to 5.5
Features
Power Good Indicator Pin
PWM/PFM automatic transition
Over current and temperature protection
Automatic PWM/PFM mode transition
Eff. 90%, Shutdown Current 100 nA
Small passives 4.7 microhenry, 4.7 microfarad