ISL6740 INTERSIL [Intersil Corporation], ISL6740 Datasheet - Page 2

• Manufacturer Part Number: ISL6740
• Description: Flexible Double Ended Voltage and Current Mode PWM Controllers
• Manufacturer: INTERSIL [Intersil Corporation]

Functional Block Diagram
VERROR
SCSET
GND
RTC
RTD
OTS
CT
UV
CS
IRTC
IRTD
VDD
1.00V
BG
+ -
INHIBIT/VIN UV
+
-
+
-
OSCILLATOR
+130°C TO +150°C
OT SHUTDOWN
0.4
ENABLE
INTERNAL
INHIBIT
CLK
0.4
5.00 V
VREF
1%
N_SYNC OUT
SHORT CIRCUIT
EXT. SYNC
DETECTION
SYNCHRONIZATION SYNC IN
0.6V
BI-DIRECTIONAL
VREF
+
- -
+
-
COMPARATOR
PWM
4.5k
OC DETECT
100
SYNC
SS DONE
0.5
SS
ISL6740
VREF/2
-
+
4.5V
SS CLAMP
SS LOW
PWM LATCH
RESET
DOMINANT
-
+
S
R
RETRIGGERABLE
PWM TOGGLE
Q
Q
ONE SHOT
T
50µS
SC S/D
Q
Q
Q
Q
SC LATCH
300k
S
R
Q
Q
FL
SS DONE
INHIBIT
OC LATCH
S
R
OC S/D
VREF UV 4.65V
Q
Q
SC S/D
SS LOW
SS HI
OC S/D
FAULT LATCH
SET DOMINANT
+
+
-
-
BG
S
R
+
-
0.27V
4.25V
Q
Q
+ -
FL
ON
V REF
15µA
V REF
70µA
OUTA
OUTB
SS
FAULT