ISL6341 Datasheet, PDF (2/17 Pages) Intersil Corporation – 5V or 12V Single Synchronous Buck Pulse-Width Modulation (PWM) Controller

Pinout
Block Diagram
ISL6341, ISL6341A, ISL6341B, ISL6341C
ISL6341, ISL6341A, ISL6341B, ISL6341C
(10 LD 3x3 TDFN)
TOP VIEW
BOOT ₁
PHASE 2
UGATE 3
LGATE/OCSET 4
GND 5
10 ^PGOOD
9 VOS
8 FB
7 COMP/EN
6 VCC
VCC
FB
COMP/EN
VOS
SAMPLE
AND
HOLD
+
OC ^-
COMPARATOR
POR AND
SOFT-START
INTERNAL
REGULATOR
5V INT.
10µA
TO
LGATE/OCSET
ERROR
AMP
0.8V +
-
PWM
COMPARATOR
+
-
20kΩ
INHIBIT
GATE
CONTROL
PWM LOGIC
VCC
EN
+
+25%
-
OV1
5V INT.
20µA
0.7V
-
EN
+
OSCILLATOR
300kHz OR 600kHz
-25% +
-
UV1
OC
+
+10% -
OV2
-10% +
-
UV2
BOOT
UGATE
PHASE
LGATE/OCSET
GND
PGOOD
2
FN6538.2
December 2, 2008