NCP102 ON Semiconductor, NCP102 Datasheet - Page 2
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NCP102
Manufacturer Part Number
NCP102
Description
Low Dropout Linear Regulator Controller
Manufacturer
ON Semiconductor
Datasheet
1.NCP102.pdf
(9 pages)
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PIN FUNCTION DESCRIPTION
Pin
1
2
3
4
5
6
Symbol Name
SOFT-S
GND
DRV
V
EN
FB
CC
SOFT-S
Enable Input (Active High). Pull the EN pin below 0.8 V to disable the regulator and enter the standby
mode operation.
Ground
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.
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.
Gate drive for external N-Channel MOSFET. It is also the buffered output of the error amplifier.
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.
EN
FB
Figure 2. Representative Block Diagram
V
CC
V
9.75 V
I
CC
SOFT-S
I
9.75 V
EN
http://onsemi.com
NCP102
0.8 V
0.8 V
+
-
UVLO
2
Description
+
-
9.75 V
15 V
GND
DRV
V
CC
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