ISL6741IVZ-T Datasheet, PDF (3/28 Pages) Intersil Corporation – Flexible Double Ended Voltage and Current Mode PWM Controllers

Functional Block Diagram (Continued)
VDD
VREF
SYNC
VREF
5.00 V
100
1%
+
ENABLE
-
BG ^+-
4.5k
GND
INTERNAL
N_SYNC OUT
OT SHUTDOWN
+130°C TO +150°C
INHIBIT/VIN UV
BI-DIRECTIONAL
SYNCHRONIZATION ^{SYNC IN}
UV
1.00 V +
-
INHIBIT EXT. SYNC
IRTC
RTC
IRTD
RTD
SCSET
CT
OSCILLATOR
CLK
SHORT CIRCUIT
DETECTION
SS DONE
CS
VERROR
OTS
80mV
0.25
+
0.6V -
OC DETECT
PWM
+ ^COMPARATOR
--
SS
0.2
ISL6741
FL
Q
T
Q
PWM TOGGLE
SC S/D
SC LATCH
SQ
RQ
-
+
4.5V
300k
SS CLAMP
SS DONE
OUTA
OUTB
VREF
70µA
ON
SS
15µA
SQ
RQ
PWM LATCH
RESET
DOMINANT
VREF/2 -
+
INHIBIT
SS LOW
+ ^0.27V
-
FAULT LATCH
SET DOMINANT
SQ
FL
RQ
SC S/D
VREF UV 4.65V
-
+
BG ^+-
VREF
FAULT