UC2843AN View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
UC2843AN Datasheet PDF : 16 Pages
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UC384XA - UC284XA
Figure 9. Current Sense Input Threshold vs.
Error Amp Output Voltage.
Vth
(V)
Vi=15V
1.0
TA=25˚C
0.8
TA=125˚C
0.6
D95IN338
0.4
TA=-40˚C
0.2
0.0
0
2
4
6
VO(V)
Figure 10. Reference Voltage Change vs.
Source Current..
D95IN339
60
Vi=15V
50
40
TA=-40˚C
TA=125˚C
30
20
10
0
0 20 40 60 80 100 Iref(mA)
Figure 11. Reference Short Circuit Current vs.
Temperature..
ISC
(mA)
100
D95IN340
Vi=15V
RL≤0.1Ω
90
80
70
60
50
-55 -25 0 25 50 75 100 TA(˚C)
Figure 12. Output Saturation Voltage vs. Load
Current.
Vsat
D95IN341
(V)
Vi
Source Saturation
(Load to Ground)
-1
TA=25˚C
TA=-40˚C
-2
Vi=15V
80µs Pulsed Load 120Hz Rate
3
2 TA=-40˚C
TA=25˚C
1
Sink Saturation
GND
(Load to Vi)
0
0
200
400
600
IO(mA)
Figure 13. Supply Current vs. Supply Voltage.
Ii
(mA)
20
D95IN342
15
10
RT=10K
CT=3.3nF
VFB=0V
ISense=0V
5
TA=25˚C
0
0
10
20
30
Vi(V)
6/16
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