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AIC2822 Datasheet, PDF (1/9 Pages) Analog Intergrations Corporation – 2A 23V Synchronous PWM Step-Down Converter | |||
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AIC2822
2A 23V Synchronous PWM Step-Down Converter
ï® FEATURES
ï¬ 2A Continuous Output Current
ï¬ Wide 4.75V to 23V Operating Input Range
ï¬ Ouput Adjustable from 0.925V to12V
ï¬ Up to 95% Efficiency
ï¬ Low Rds(on) Internal Switches: 140m⦠and
120mâ¦
ï¬ <3µA Supply Current in Shutdown Mode
ï¬ 550KHz Frequency
ï¬ Programmable Soft Start
ï¬ Thermal Shutdown
ï¬ Cycle by Cycle Over Current Protection
ï¬ Under Voltage Lockout
ï¬ Short Circuit Protection
ï¬ Over Voltage Protection
ï® APPLICATIONS
ï¬ Networking Systems
ï¬ Distributed Power Systems
ï¬ Pre-Regulator for Linear Regulators
ï¬ Set-top Box
ï® DESCRIPTION
The AIC2822 is a monolithic synchronous step-
down converter. The device can provide 2A output
current from a 4.75V to 23V input supply.
The AIC2822âs current mode architecture and ex-
ternal compensation allow the transient response to
be optimized over a wide range of loads and capaci-
tors. Current mode control also provides cycle-by-
cycle current limit.
The AIC2822 provides over voltage protection and
thermal shutdown. An adjustable soft-start prevents
inrush current during turn on.
This device is available in a SOP-8 package, pro-
vides a very compact system solution with minimal
external components and PCB area.
ï® TYPICAL APPLICATIONS CIRCUIT
AIC2822 Typical Application Circuit
Analog Integrations Corporation
Si-Soft Research Center
TEL: 886-3-5772500
FAX: 886-3-5772510
DS-2822G-03 20120807
www.analog.com.tw
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