isl6341a Intersil Corporation, isl6341a Datasheet - Page 2

• Manufacturer Part Number: isl6341a
• Description: 5v Or 12v Single Synchronous Buck Pulse-width Modulation Pwm Controller
• Manufacturer: Intersil Corporation

Pinout
Block Diagram
COMP/EN
VOS
FB
LGATE/OCSET
5V INT.
TO
10µA
20µA
2
SAMPLE
HOLD
AND
0.7V
0.8V
ISL6341, ISL6341A, ISL6341B
ERROR
+
-
AMP
COMPARATOR
PHASE
UGATE
LGATE
BOOT
EN
GND
+
-
ISL6341, ISL6341A, ISL6341B
OC
+
300kHz OR 600kHz
-
1
2
3
4
5
OSCILLATOR
(10 LD 3x3 TDFN)
COMPARATOR
TOP VIEW
PWM
SOFT-START
+
POR AND
-
10
5V INT.
9
8
7
6
+25%
+10%
INHIBIT
-25%
-10%
PGOOD
VOS
FB
COMP/EN
VCC
REGULATOR
PWM
INTERNAL
EN
+
+
+
-
-
+
-
-
OV2
OV1
UV1
CONTROL
UV2
LOGIC
GATE
OC
VCC
VCC
20kΩ
PHASE
BOOT
UGATE
LGATE/OCSET
PGOOD
GND
August 20, 2007
FN6538.0