ISL6549 INTERSIL [Intersil Corporation], ISL6549 Datasheet - Page 3

• Manufacturer Part Number: ISL6549
• Description: Single 12V Input Supply Dual Regulator Synchronous Rectified Buck PWM and Linear Power Controller
• Manufacturer: INTERSIL [Intersil Corporation]

Simplified Power System Diagram
Typical Application Schematic
+V
+V
+12V
V
IN2
IN1
OUT2
+V
+12V
+V
IN1
IN2
C
VIN2
+
+
V
OUT2
C
Q3
OUT2
+
3
C
BP
Q3
C
BP5
CONTROLLER
VCC5
LDO_DR
LDO_FB
FS_DIS
LINEAR
PVCC5
ISL6549
ISL6549
GND
ISL6549
PGND
VCC12
UGATE
PHASE
LGATE
COMP
BOOT
FB
CONTROLLER
C
BP12
C
PWM
BOOT
Q2
Q1
+
C
Q1
Q2
VIN1
L
OUT
+
V
OUT1
September 22, 2006
+
V
OUT1
C
OUT1
FN9168.2