ME3101系列 ME3101A10M5G 专业电源管理IC 原装正品
税前: ¥0.50
500mA Synchronous Step-Down DC/DC Converters ME3101 Series
General Description
ME3101 series is a group of synchronous rectification type DC/DC converters with a built-in 0.6Ω P-channel driver transistor and 0.7Ω N-channel switching transistor, designed to allow the use of ceramic capacitors. The ICs enable a high efficiency, stable power supply with an output current of 500mA to be configured using only a coil and two capacitors connected externally.
With the built-in oscillator, oscillation frequency is 1.2MHz.As for operation mode, the ME3101 series can be manually switched with automatic PWM/PFM switching control mode, allowing fast response, low ripple and high efficiency over the full range of load (from light load to high output current conditions).
During standby, all circuits are shutdown to reduce current consumption to as low as 1.0μA or less.
Features
lSynchronous Step-Down DC/DC
lHigh Efficiency :93%(TYP)
lLow Ripple Voltage :10mV
lOutput Current :500mA
lOscillation Frequency :1.2MHz
lPWM/PFM Automatic Switching Control
lMaximum Duty Ratio :100%
lCeramic Capacitor Compatible
lUltra Small Packages :SOT-23-5
lSoft-start ciruit built-in
Typical Application
lMobile phones (PDC, GSM, CDMA, IMT200 etc.)
lBluetooth equipment
lPDA
lPortable communication modem
lPortable games
lCameras
lDigital cameras
lCordless phones
lNotebook computers
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