Philips 49HFL7011T/12 Service Manual page 38

EN 38 8. TPM16.2HE LA
8.4 Diagram 10-3-15
Block diagram
G5318RE1D
Pinning information
PGOOD PGOOD
2016-May-27
IC Data Sheets
DCDC-SYSTEM-POWER2, B15, G5318RE1D (IC U4401)
On-Time On-Time
LX LX
Off-Time Off-Time
DISCHG DISCHG
OT OT
OVP OVP
UVP UVP
FB FB
0.7V 0.7V
VCC VCC
Reference Reference
POR POR
EN EN
OCP OCP
TRIP TRIP
1 1
2 2
TRIP TRIP
3 3
EN EN
4 4
FB FB
RF RF 5 5
Figure 8-5 Internal block diagram and pin configuration
PWM PWM
controller controller
VCC VCC
SKIP/force PWM SKIP/force PWM
Freq Freq
Setting Setting
RF RF
10 10
11 GND 11 GND
Thermal Thermal
Pad Pad
back to
div.table
PGOOD PGOOD
BST BST
DH DH
LX LX
DL DL
GND GND
BST BST
DH DH
9 9
8 8 LX LX
7 7 VCC VCC
6 6 DL DL
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