NCP102SNT1G Просмотр технического описания (PDF) - ON Semiconductor

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Компоненты Описание

производитель

NCP102SNT1G

Low Dropout Linear Regulator Controller

ON Semiconductor 

NCP102

EN

SOFT-S

VCC

IEN

9.75 V

VCC

ISOFT-S

UVLO

+

-

0.8 V

VCC

15 V

GND

0.8 V

+

FB

9.75 V

-

9.75 V

DRV

Figure 2. Representative Block Diagram

PIN FUNCTION DESCRIPTION

Pin Symbol Name

Description

1

EN

Enable Input (Active High). Pull the EN pin below 0.8 V to disable the regulator and enter the standby

mode operation.

2

GND

Ground

3

FB

Inverting input of the error amplifier. The output voltage is sampled by means of a resistor divider and ap‐

plied to this pin for regulation.

4

SOFT-S

Programmable soft-start. An internal current source charges the capacitor connected to this pin. The soft-

start period ends once the voltage of the soft-start capacitor reaches 0.8 V.

5

DRV

Gate drive for external N-Channel MOSFET. It is also the buffered output of the error amplifier.

6

VCC

Power supply voltage input. Operating voltage range is from 4.5 to 13.5 V. A decoupling capacitor to GND

should be used. A minimum of 0.1 mF is recommended.

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