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PDF AIC2300 Datasheet ( Hoja de datos )

Número de pieza AIC2300
Descripción PWM Step-Down DC/DC Converter
Fabricantes Analog Intergrations Corporation 
Logotipo Analog Intergrations Corporation Logotipo

Total 10 Páginas
		
AIC2300 Hoja de datos, Descripción, Manual
AIC2300
400mA Synchronous PWM Step-Down
DC/DC Converter
FEATURES
2.5V to 5.5V Input Voltage Range
400mA 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 AIC2300 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 AIC2300 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-2300G-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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AIC2300 pdf
TYPICAL PERFORMANCE CHARACTERISTICS
Vout=1.8V
VIN=2.5V
VIN=3.3V VIN=5V
VIN=5V
AIC2300
Vout=3.3V
Fig. 3 Efficiency vs. Output current
Fig. 4 Efficiency vs. Output current
Fig. 5 Oscillator Frequency vs. Temperature
Fig. 6 Oscillator Frequency vs. Input Voltage
Fig. 7 RDS(ON) vs. Input Voltage
Fig. 8 Supply Current vs. Input Voltage
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