AP7331 データシートの表示（PDF） - Diodes Incorporated.
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AP7331 Datasheet PDF : 13 Pages
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Typical Application Circuit
AP7331
300mA, LOW QUIESCENT CURRENT, FAST TRANSIENT
LOW DROPOUT LINEAR REGULATOR
VIN
IN
OUT
AP7331
1uF
Enable
EN
GND
VOUT
1uF
VIN
IN
OUT
AP7331
R1
1uF
Enable EN
ADJ
GND
R2
VOUT
1uF
Fixed Output
Adjustable Output
Pin Descriptions
VOUT
=
VREF ⎜⎜⎝⎛1+
R1
R2
⎟⎟⎠⎞
Pin Name
IN
GND
EN
ADJ
NC
OUT
SOT25
(fixed)
1
2
3
-
4
5
Pin Number
DFN2020-6 SOT25
(fixed)
(adj)
3
1
2
2
1
3
-
4
5, 6
-
4
5
DFN2020-6
(adj)
3
2
1
6
5
4
Description
Voltage input pin. Bypass to ground through at least
1µF capacitor
Ground
Enable input, active high
Output feedback pin
No connection
Voltage output pin. Bypass to ground through 1µF
ceramic capacitor
Functional Block Diagram
IN
OUT
IN
EN
Gate
Driver
Current Limit
and Thermal
Shutdown R
EN
0.4V
R
GND
Fixed Version
AP7331
Document number: DS31914 Rev. 3 - 2
2 of 13
www.diodes.com
Gate
Driver
Current Limit
and Thermal
Shutdown
0.4V
OUT
ADJ
GND
Adjustable Version
January 2011
© Diodes Incorporated
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