FL7740
www.onsemi.com
13
AC Input
Secondary
DC-DC
Converter
MCU
module
Dimming
Signal
PG
(Power GND)
SG
(Signal GND)
FL7740
GATE
VS
BIAS
VDD
COMV
NC
HV
CS
PF
GND
PG line goes
under R
HV1
G
D
S
R
HV1
R
GATE
CS line goes
under R
GATE
R
HV2
VDD line goes
under R
HV2
R
HV3
SG line goes
under R
HV3
1
2
3
4
5
G-GATE and S-GND distance should be short.
SG and PG are connected close at GND pin.
COMV,BIAS,PF,VS circuit ground and aux. winding
VDD circuit ground are connected close at GND pin.
SMD filter cap is connected close at VDD and GND pin.
Powering lines (Drain and PG) are closely placed and
away from FL7740 control circuits.
1
2
3
4
5
Bridge
diode
Single layer PCB layout guidance
ORDERING INFORMATION
Device Package Shipping
FL7740MX
10 Lead SOIC, JDEC MS-012, 150” Narrow Body Tape and Reel
FL7740
PACKAGE DIMENSIONS
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FL7740MX

Mfr. #:
Manufacturer:
ON Semiconductor
Description:
Switching Controllers CVpsrPWMcontr forPFC SmartLightLEDdriving
Lifecycle:
New from this manufacturer.
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