NCP335 查看數據表（PDF） - ON Semiconductor
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NCP335 Datasheet PDF : 10 Pages
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NCP334, NCP335
VOUT
B+
U5
A2 IN OUT A1
7 AVIN
SW 2
1
2
B2 EN GND B1
EN
NCP335
NCP63xy/WDFN8
5 EN
FB 4
MODE/PG 6
EN
Figure 1. Typical Application Circuit
PIN FUNCTION DESCRIPTION
Pin Name Pin Number
Type
IN
A2
POWER
GND
EN
OUT
B1
POWER
B2
INPUT
A1
OUTPUT
Description
Load−switch input voltage; connect a 1 mF or greater ceramic capacitor from IN to GND as
close as possible to the IC.
Ground connection.
Enable input, logic high turns on power switch.
Load−switch output; connect a 1 mF ceramic capacitor from OUT to GND as close as pos-
sible to the IC is recommended.
BLOCK DIAGRAM
IN: Pin A2
EN: Pin B2
GND: Pin B1
Control
logic
Gate driver and soft
start control
EN block
OUT: Pin A1
Optional:
NCP335
Figure 2. Block Diagram
http://onsemi.com
2
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