RC5032

The RC5032 is a step-down DC-DC controller IC dedicated to providing a 5V to 3.3V conversion for various types of CPU power. It can be configured with the proper applications circuitry to deliver load currents greater than 10 Amps. The RC5032 is designed to operate in a standard PWM control mode under heavy load conditions and as a PFM controller in light load conditions. Its highly accurate low TC reference eliminates the need for precision external components in order to achieve tight tolerance voltage regulation. The programmable oscillator can operate from 200KHz to greater than 1MHz to provide for flexibility in choosing external components such as inductors, capacitors, and Power MOSFETs.

The features of RC5032 can be summarized as (1)>85% efficiency; (2)fast transient response; (3)soft control power-up; (4)short circuit protection; (5)output voltage fixed 3.3V; (6)low TC reference voltage; (7)adjustable oscillator frequency; (8)drives N-Channel MOSFET; (9)8 pin SOIC, 8 pin DIP package.

The absolute maximum ratings of RC5032 are (1)VCCP driver suppw:13V (Functional operation under any of these conditions is NOT impliedPerformance is guaranteed only if operating conditions are not exceeded); (2)VCC Supply voltage: 45/5/7V; (3)VIH input voltage, logic HIGH:2(min)V; (4)VIL input voltage, logic LOW:0.8(max)V.