ISL78208 Datasheet, PDF (6/25 Pages) Intersil Corporation – Wide VIN Dual Standard Buck Regulator with 3A/3A Continuous Output Current

Functional Block Diagram
ISL78208
VCC
5MΩ
-10%
BOOT UV
DETECTION
SS2
SOFT-START
CONTROL
VOLTAGE
MONITOR
EA
CSA2
COMP2
0.8V
REFERENCE
FAULT
MONITOR
EN2
GATE
DRIVE
CSA2
VIN1
LDO _{VCC = 5V}
VIN1
POWER-ON
RESET
MONITOR
+
SLOPE COMP
THERMAL
MONITOR
+150°C
CSA2
CSA1
BOOT
REFRESH
CONTROL
OSCILLATOR
+
SLOPE COMP
CSA1
EN1
SS1
VCC
FAULT
MONITOR
0.8V
REFERENCE
MONITOR
EA
VOLTAGE
CONTROL
SOFT-START
VCC _5MΩ
-10%
COMP1
CSA1
DRIVE
GATE
BOOT
REFRESH
CONTROL
BOOT UV
DETECTION
VIN2
PHASE2
PGND2
SYNCOUT
FS
SYNCIN
VIN1
PHASE1
PGND1
EPAD GND
6
FN8354.0
July 12, 2013