Philips 49HFL7011T/12 Service Manual page 39

8.5 Diagram 10-3-14
Block diagram
RT8079GQW
RT/SYNC
Pinning information
DCDC-SYSTEM-POWER1, B14, RT8079GQW (IC U4302)
Internal pull up
current
Enable Comparator
EN
EN Threshold
Oscillator
Slope
Compensation
SS/TR Soft-Start
V
REF
FB
PGOOD Threshold
VIN
1
VIN
2
GND
3
GND
4
Figure 8-6 Internal block diagram and pin configuration
IC Data Sheets
Over Temperature
Protection
Shutdown
Current
Control
Sense
Control
Logic
PWM
Comparator
Error
Amplifier
PGOOD Comparator
PGOOD COMP
16 15 14 13
12
11
GND
10
17
9
5 6 7 8
back to
div.table
TPM16.2HE LA 8.
VIN
UVLO
BOOT
Driver
SW
GND
AGND GND
SW
SW
SW
SS/TR
EN 39
19970_301.eps
2016-May-27