Philips P&S 22HFL4372D/10 Service Manual page 47

8.5 Diagram DC/DC B03B, TPS53126PW (IC7U03)
Block diagram
Pinning information
VBST1
1
NC
2
EN1 3
VO1
4
VFB1
5
NC
6
GND
7
TEST1
8
NC
9
VFB2
10
VO2
11
EN2
12
NC
13
VBST2
14
Figure 8-5 Internal block diagram and pin configuration
back to
div. table
IC Data Sheets Q552.1HE LA
28 DRVH1
27
LL1
26
DRVL1
25
PGND1
24
TRIP1
23
VIN
22 VREG5
21 V5FILT
TEST2
20
TRIP2
19
PGND2
18
DRVL2
17
LL2
16
DRVH2
15
8. EN 47
18310_300_090319.eps
100416
2010-Nov-19