MCU
     CMOS LDO Linear Regulator
     Dual LDO Linear Regulator
     Bipolar LDO Linear Regulator
     Step-Up DC/DC Converter
     Step-Down DC/DC Converter
     Linear Constant LED Driver
     Charger Pump
     LED Backlight Driver
     LED Screen Driver
     Audio AMPLIFIER
     AC/DC Converter
     AC/DC Converter Supply
     Voltage detector/Reset IC
     Li-ion Battery Charger
     MOSFET
     MOSFET for LED Screen & BJT
ME2182

Description£º
The ME2182 is synchronous£¬ 2A£¬1.2MHZ step-up DC-DC controller£¬ which mainly consists of a reference voltage source, an oscillation circuit, an error amplifier, a phase compensation circuit, a PWM / PFM switching control circuit and an adjustable output current limit circuit. With an external low-on-resistance Nch Power MOS and Pch Power MOS. This product is ideal for applications requiring high efficiency and a high output current.
Features£º
¡ñ High efficiency ( up to 93%)
¡ñ Up to 90% Efficiency at IOUT=2A V OUT = 5V from 3.3V Input
¡ñ Guaranteed 2.5A Output Current at VOUT = 5V from 3.3V Input
¡ñ Synchronous and External Pch Power MOSFET and Nch power MOSFET £¬No chottky Diode Required
¡ñ Oscillator frequency£º1.2MHz
¡ñ Reference voltage : 0.6V£¨¡À2%£©
¡ñ Input voltage range: 2.2 V to 5.5 V
¡ñ Continuous output current: 2.0A typ. (VDD=3V, Vout=5.0V)
¡ñ Soft start function: 5ms.typ.
¡ñ Shutdown function:1.0¦ÌA max.
¡ñ UVLO (under-voltage lockout) function
¡ñ Current Limit: adjustable by the Rcs using different valve
¡ñ Package£ºESOP8, SOP8
Applications£º
¡ñPower source for battery-powered equipment
¡ñPower source for wireless mouse, wireless keyboard, toys, cameras, camcorders, VCRs, PDAs, and hand-held communication equipment
¡ñPower source for appliances which require higher cell voltage than that of batteries used in the appliances
Nanjing Micro One Electronics Inc. 5th Floor,Building No.1, No.699-8 Xuanwu Road, Xuzhuang software Park,Nanjing
Tel:86-25-84731186    Fax:86-25-84731136 ËÕICP±¸12033088ºÅ