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AIC2302 Datasheet دیتاشیت PDF دانلود

دیتاشیت - Analog Intergrations Corporation - PWM Step-Down DC/DC Converter

شماره قطعه AIC2302
شرح مفصل PWM Step-Down DC/DC Converter
تولید کننده Analog Intergrations Corporation 
آرم Analog Intergrations Corporation 


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AIC2302 شرح
AIC2302
700mA Synchronous PWM Step-Down
DC/DC Converter
FEATURES
2.5V to 5.5V Input Voltage Range
700mA Guaranteed Output Current
Up to 95% Efficiency
Low RDS(ON) Internal Switche: 280m
No Schottky Diode Required
100% Duty Cycle in Low Dropout Operation
Operating Frequency: 1.5MHz
Accurate Reference 0.6V Provides Low
Output Voltages
APPLICATIONS
LCD TV
Multi-function Peripheral
Cellular Phones
CPU I/O Supplies
Cordless Phones
PDAs and Handy-Terminals
Battery-Operated Devices (1 Li-Ion or 3
NiMH/ NiCd)
APPLICATIONS CIRCUIT
DESCRIPTION
The AIC2302 is a low-noise, pulse-width-
modulated (PWM), DC-DC step-down converter.
The device is available in an adjustable version
and fixed output voltages of 1.0V, 1.2V, 1.8V,
and 3.3V. The device features an internal
synchronous rectifier for high efficiency; it
requires no external Schottky diode. Shutdown
mode places the device in standby, reducing
supply current to under 1µA. Other features of
the AIC2302 include high efficiency, low
dropout voltage, short circuit protection, over
temperature protection, and over voltage
protection. It is available in a small 5 pins SOT-
23 package.
Fig. 1 Fixed Step-Down DC/DC Converter
Analog Integrations Corporation
Si-Soft Research Center
DS-2302G-01 20120531
3A1, No.1, Li-Hsin Rd. I , Science Park , Hsinchu 300, Taiwan , R.O.C.
TEL: 886-3-5772500
FAX: 886-3-5772510
www.analog.com.tw
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