A7545

AiT Semiconductor Inc. www.ait-ic.com A7545 DC-DC CONVERTER/BOOST (STEP-UP) LOW-NOISE 4.5A STEP-UP CURRENT MODE PWM CONVERTER DESCRIPTION FEATURES The A7545 is a current mode boost DC-DC  Adjustable Output up to 9V converter. It is PWM circuitry with built-in 0.05Ω  Internal Fixed PWM frequency: 1MHz power MOSFET make this regulator highly power  Precision Feedback Reference Voltage: 0.6V (±2%) efficient. The internal compensation network also  Internal 0.05Ω, 4.5A, 12V Power MOSFET minimizes as much as 6 external component counts.  Shutdown Current: 0.1μA The non-inverting input of error amplifier connects to  Over Temperature Protection a 0.6V precision reference voltage and internal  Over Voltage Protection soft-start function can reduce the inrush current.  Adjustable Over Current Protection: 0.5A ~ 4.5A  Available in PSOP8 Package The A7545 is available in PSOP8 package. APPLICATION ORDERING INFORMATION Package Type Part Number PSO...