XR76116 Datasheet, PDF (12/19 Pages) Exar Corporation – PowerBloxTM 15A and 20A Synchronous

Functional Block Diagram
XR76116/20
VIN
VCC
10μA
SS
0.6V
FB
0.555V
VSNS
VH = 1.2 x VREF
VL = 1.15 x VREF
FCCM
VCC
PGOOD
VCC UVLO
4.25V
LDO
POWER GOOD
THERMAL
SHUTDOWN
ENABLING SWITCHING
COT CONTROL LOOP
XR76116/20
VCC
LEVEL
SHIFT
AND
NON
OVERLAP
CONTROL
HS
DRV
VCC
LS
DRV
DELAY ^OVP
SW
PGND
1.9V
ZC
FB
0.36V
EN
VCC
SCCOMP
HICCUP
ILIM
PGND
BST
PVIN
SW
PGND
TON EN
ILIM
Figure 31. Functional Block Diagram
AGND
REV1A
12/19