Datasheet

2
UC17131/2/3
UC27131/2/3
UC37131/2/3
4
3VREF
IN
2
6
8VCC
LS
CSL
5GND
6V
PRE-REGULATOR
INPUT
COMPARATOR
1/2
VREF
1
LED
TURN-ON/OFF
AND
SHORT CIRCUIT
PROTECTION
7
Q
OUT
72V
6V/8mA
CDEL
HYST (FIXED) =
30%
UC37131 BLOCK DIAGRAM
UDG-98059
4
3VREF
IN
2
8VCC
CSH
5GND
6V
PRE-REGULATOR
INPUT
COMPARATOR
1/2
VREF
1
LED
TURN-ON/OFF
AND
SHORT CIRCUIT
PROTECTION
6HS
7
Q
OUT
72V
6V/8mA
CDEL
HYST (FIXED) =
30%
UC37133 BLOCK DIAGRAM
UDG-98060