APW38HC42A/3A/4A/5A
Typical Characteristics (Cont.)
Short-Circuit Current of V
REF
vs.
Temperature
100
30
25
Output Waveform
V
REF
Short-Circuit Current (mA)
90
Output Voltage (V)
80
70
60
50
40
30
20
10
0
-60
-30
0
30
60
90
120
150
20
15
10
5
0
-5
-10
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
Temperature (°C)
Time (µs)
Open Loop test Circuit
REF
R
T
A
4.7K
Ω
2N 2222
V cc
COM P
1K
Ω
E rror A m p
A djust
100K
Ω
5K
Ω
I
S E N S E
A djust
REF
0.1
µ
F
0.1
µ
F
1K
Ω ,
1W
A P W 38H C 42A /3A /4A /5A
V FB
V cc
IS E N S E
R T/C T
O U TP U T
GND
O utput
GND
4.7K
Ω
C
T
Copyright
ANPEC Electronics Corp.
Rev. A.7 - Jan., 2003
6
www.anpec.com.tw