S494P
APPLICATION CIRCUIT
Fig. 6 Output Connections for Single-Ended
and Push-Pull Configurations
Fig. 7 Error Amplifier Sensing Techniques
TO OUTPUT
VOLTAGE OF
SYSTEM
Vo
C1
9 E1
Q1 8
C
Q
OUTPUT
CONTROL
R1
1(16) +
11 C2
1 TO 500 mA(MAX)
ERROR
2(15) -
AMP
Q2
3
REF
V
OC
0 < V < 4V
10 E2
R2
E
Q
POSITIVE OUTPUT
VOLTAGE
SINGLE-ENDED CONFIGURATION
REF
V
8
Q1
Q2
C1
1(16)
2.4V<VOC<VREF
250 mA(MAX)
250 mA(MAX)
R2
+
-
9
3
2(15)
E1
C2
11
OUTPUT
CONTROL
NEGATIV E OUTPUT
VOLTAGE
R1
Vo
TO OUTPUT
VOLTAGE OF
SYSTEM
10
E2
R1
PUSH-PULL CONFIGURATION
REF
Vo = -V
R2
Fig. 8 Slaving Tow or More Control Circuits
Fig. 9Error Amplifier and Current Limit
Sense Amplifier Output Circuits
Vcc
REF
V
14
6
REF
V
T
R
MASTER
5
TO REMAINDER
TO REMAINDER
T
C
OF ERROR
AMPLIFIER
CIRCUIT
OF ERROR
AMPLIFIER
CIRCUIT
REF
V
T
C
14
T
R
6
5
T
R
SLAVE
(ADDITIONAL
CIRCUITS)
TO COMPENSATION
PWM COMPARATOR
INPUT
0.6mA
T
C
KSI-L010-000
7
AUK [ AUK CORP ]
