isl6744a Intersil Corporation, isl6744a Datasheet - Page 2

• Manufacturer Part Number: isl6744a
• Description: Intermediate Bus Pwm Controller
• Manufacturer: Intersil Corporation

Internal Architecture
CS
V
GND
R
DD
C
TD
T
V
BIAS
I
RTD
160 uA
ON
ON
I
DCH
0.8 V
2.8 V
2.0 V
BG
OT SHUTDOWN
-
+
130 - 150 C
INTERNAL
-
+
-
+
UVLO
C
T
VALLEY
PEAK
SS COMPARATOR
0.6 V
+
-
5.00 V
0.8
V
+
-
RESET
DOMINANT
BIAS
S
R
Q
Q
SS
OC DETECT
CLK
V
BIAS
SS CLAMP
RETRIGGERABLE
-
+
PWM LATCH
SET
DOMINANT
ONE SHOT
S
R
50 µS
Q
Q
PWM TOGGLE
4.0 V
T
Q
Q
V
BIAS
Q
Q
FL
-
+
SS CHARGED
OC LATCH
S
R
4.65V ↓ 4.80V ↑
Q
Q
V
BIAS
UV
FAULT LATCH
SET DOMINANT
+
SS LOW
-
S
R
+
BG
-
V
Q
Q
DD
3.9 V
FL
V
ON
BIAS
+
-
SS
V
BIAS
0.27 V
70uA
15 uA
SS
OUTA
OUTB