Pin
Name
1
VIN
2
EN1
3
EN2
4
DRVON
5
PGOOD1
6
PGOOD2
7
FAULT
8
DLY1
9
DLY2
/DDR
10
SS
11
FSET
12
CNFG
13
ILIMT2
Type Power Input
Analog Input
Analog Input
Logic Input Logic Output
Logic Output
Logic Output Analog Input Analog Input
Analog Input
Analog Input Analog Input
Key Features
Vin = 4.5~20 V with Input Feedforward.
Integrated 5.35 V LDO.
Vout = 0.6 V ~ 5.3 V.
Fsw = 200k ~ 1.2 MHz.
PWM Output Compatible to 3.3 V and 5 V DrMOS.
Flexible 8 Combinations of Power Stage Configurations (1~2 Output
Rails, 1~4 Phases).
DDR Power Mode Option.
Interleaved Operation.
Differential Output Voltage Sense.
Differential Current Sense Compatible for both Inductor DCR Sense
and DrMOS Iout.
Full PDF Text Transcription for NCP81232 (Reference)
Note: Below is a high-fidelity text extraction (approx. 800 characters) for
NCP81232. For precise diagrams, and layout, please refer to the original PDF.
Dual-Channel/Multi-Phase Controller for DrMOS NCP81232 The NCP81232, a dual−channel/multi−phase synchronous buck controller, provides power management solutions for vario...
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hronous buck controller, provides power management solutions for various applications supported by DrMOS. It has 8 programmable power−stage configurations, differential voltage and current sense, flexible power sequence programming, and comprehensive protections. Features • Vin = 4.5~20 V with Input Feedforward • Integrated 5.35 V LDO • Vout = 0.6 V ~ 5.3 V • Fsw = 200k ~ 1.2 MHz • PWM Output Compatible to 3.