Philips 40PFT5501 - Page 39

IC Data Sheets
EN 39QM16.4E LA 8.
2016-Apr-1
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8.2 Diagram 10-4-1 System Power 1, B01, RT7299BHGQW (IC U704)
Figure 8-3 Internal block diagram and pin configuration
19880_302.eps
Block diagram
Pinning information
GND
GND
PVIN
PVIN
VIN
FB
COMP
BOOT
LX
EN
SS/TR
LX
PGOOD RT/SYNC
2
4
3
9
13
10
11
12
6
5
87
141
GND
15
RT7299BHGQW
Power Stage
Control
Logic,
Driver, and
Boot UVLO
Regulator
Voltage
Reference
Slope
Compensation
BOOT
GND
LX
SS/TR
Current
Comparator
RT/SYNC
FB
UVLO
Thermal
Detector
Shutdown
Logic
Shutdown
High-Side
Current Sense
I
hys
I
P
PVINVINEN
V
EN
= 1.21V
Low-Side
Current Sense
Oscillator with
RT/SYNC
Function
I
SS
+
-
+
V
REF
PGOOD
Logic
UV
Comparator
OV
Comparator
91% V
REF
109% V
REF
PGOOD
COMP