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| XR77103-A0R5 Datasheet, PDF (13/19 Pages) Exar Corporation – Universal PMIC 3-Output Buck Regulator | |||
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Functional Block Diagram
28
VIN
Start-up
BGR
46
VIN VCC
Internal
Supply
24
PGOOD
PGOOD
OSC
SYNC
25
XR77103-A0R5
10 VIN1
15 VIN2
31 VIN3
BST3
32
30 LX3
29 LX3
1 VFB3
2 COMP3
BUCK3
BUCK1
BST1
9
LX1
12
LX1
11
VFB1 8
COMP1 7
BUCK2
BST2 16
LX2 14
LX2 13
VFB2 17
COMP2 18
XR77103-A0R5
EN AGND DGND GND
26 27 19 5 EP
Figure 27. Functional Block Diagram
REV1A
13/19
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