Philips 22PFL3108H/60 Service Manual page 48

EN 48 8. TPN10.1E LA
8.2 Diagram 10-3-1 Power, B01, TPS54519RTE (IC U701)
Block diagram
VSENSE
SS/TR
COMP
Pinning information
2013-Oct-18
IC Data Sheets
PWRGD EN
i
1
Shutdown
93%
Logic
107%
Enable
Threshold
Voltage
Reference
Minimum
COMP Clamp
ERROR
AMPLIFIER
PWM
Comparator
Shutdown
Logic
Compensation
Maximum
Overload
Clamp
Recovery
AGND THERMALPAD
16 15
1
VIN
VIN
2
TPS54519
GND 3
4
GND
5 6
Figure 8-2 Internal block diagram and pin configuration
back to
div. table
i
hys
Thermal
UVLO
Shutdown
Enable
Comparator
Shutdown
Shutdown
Logic
Boot
UVLO
Logic and PWM
Latch
Slope
Frequency
Shift
Oscillator
TPS54519
RT
14 13
12 PH
11
PH
PH
10
9
SS/TR
7 8
VIN
Boot
Charge
Current
Sense
BOOT
PH
GND
19430_300_130116.eps
130116