
ISL83204A
Application Block Diagram
60V
12V
BHO
BHS
HEN
BLO
LOAD
DIS
ISL83204A
IN+
IN-
GND
ALO
AHS
AHO
GND
Functional Block Diagram
(1/2 ISL83204A)
10
AHB
HIGH VOLTAGE BUS ≤ 60VDC
UNDER-
VOLTAGE
CHARGE
PUMP
LEVEL SHIFT
AND LATCH
DRIVER
11
AHO
C BS
V DD 16
12
AHS
HEN
DIS
2
3
TURN-ON
DELAY
15 V CC
D BS
TO V DD (PIN 16)
OUT
IN+
IN _
5
6
7
+
-
TURN-ON
DELAY
DRIVER
13
14
ALO
ALS
C BF
+12VDC
BIAS
SUPPLY
HDEL
LDEL
V SS
8
9
4
2
FN6397.2
March 20, 2007