FAN5350 データシートの表示（PDF） - ON Semiconductor
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FAN5350 Datasheet PDF : 15 Pages
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Pin Configurations
VIN A1 A3 GND
B2 SW
EN C1 C3 FB
Figure 4. WLCSP - Bum ps Facing Dow n
GND A3 A1 VIN
SW B2
FB C3 C1 EN
Figure 5. WLCSP - Bum ps Facing Up
PGND 1
AGND 2
FB 3
P1
(GND)
6 VIN
5 SW
4 EN
Figure 6. 3x3m m MLP - Leads Facing Dow n
Pin Definitions
WLCSP
Pin # Name
A1
V IN
A3
GND
C1
EN
C3
FB
B2
SW
Description
Pow er Supply Input.
Ground Pin. Signal and pow er ground for the part.
Enable Pin. The device is in shutdow n mode w hen voltage to this pin is <0.4V and enabled w hen
>1.2V. Do not leave this pin floating.
Feedback Analog Input. Connect directly to the output capacitor.
Sw itching Node. Connection to the internal PFET sw itch and NFET synchronous rectifier.
M LP
Pin #
1
2
3
4
5
6
Name
PGND
AGND
FB
EN
SW
V IN
Description
Pow er Ground Pin. Pow er stage ground. Connect PGND and AGND together via the board
ground plane.
Analog Ground Pin. Signal ground for the part.
Feedback Analog Input. Connect directly to the output capacitor.
Enable Pin. The device is in shutdow n mode w hen voltage to this pin is <0.4V and enabled w hen
>1.2V. Do not leave this pin floating.
Sw itching Node. Connection to the internal PFET sw itch and NFET synchronous rectifier.
Pow er Supply Input.
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