FA13842 Datasheet, PDF (6/15 Pages) Fuji Electric – CMOS IC(For Switching Power Supply Control)

FA13842, 13843, 13844, 13845
ISNS threshold voltage vs. COMP voltage
1200
1000
VCC= 15V
FB= 0V
OUT= off
800
COMP source current vs. COMP voltage
0
–200
–400
600
–600
400
–800
200
–1000
0
–1200
0
1
2
3
4
5
0
1
2
3
4
5
COMP voltage (V)
COMP voltage (V)
COMP to ISNS offset voltage vs. temperature
2.5
2
1.5
1
0.5
0
–50
0
50
100
150
Temperature (˚C)
Error amp open loop voltage gain and phase vs.
frequency
100
0
80
60
Phase
40
Gain
20
0
180
–20
–40
10
100
1.0k
10k
100k
1.0M 10M
Frequency (Hz)
COMP source current vs. temperature
–800
–900
VCC= 15V
COMP= 0V
–1000
–1100
–1200
–1300
–1400
–50
0
50
100
Temperature (˚C)
VREF short circuit current vs. temperature
80
VCC= 15V
VREF= 0V
70
60
50
40
30
20
0
50
100
Temperature (˚C)
150
150
6