NCP81234 controller equivalent, dual-channel/two-phase controller.
* Single Vin = 4.5 ~ 20 V with Input Feedforward
* Integrated 5.35 V LDO
* Vout = 0.6 V ~ 5.3 V
* Fsw = 200 k ~ 1.2 MHz
* PWM Output Compatible to 3.3.
supported by DrMOS. Operating in high switching frequency up to 1.2 MHz allows employing small size inductor and capacit.
Pin
Name
Type
Description
1
VIN
Power Input Power Supply Input. Power supply input pin of the device, which is connected to the integrated
5 V LDO. 4.7 mF or more ceramic capacitors must bypass this input to power ground. The capac-
itors sh.
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