RAA230232 데이터 시트보기 (PDF) - Renesas Electronics

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RAA230232

16V Input, 3A, Dual Step-Down DC/DC Converter / BatteryBackup

Renesas Electronics 

RAA23022x RAA23023x

Soft Start

To limit the startup inrush current and output voltage overshoot, a soft start circuit is used to

ramp up the reference voltage from 0 V to its final value linearly. When EN pin is set from low

level to high level, the device starts operation and output voltage rises with soft start. Both CH1

and CH2 soft start time are fixed at 2ms(Typ.) and no additional components are needed. Soft

start feature gradually increases the error amplifier (E/A) input threshold voltage by using the

voltage that is generated by the digital soft start (DSS) circuit.

R18DS0017EJ0100 REV.1.00

Apr.21.2015

Page 17 of 30

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