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AS3844 Datasheet(PDF) 9 Page - List of Unclassifed Manufacturers

Part # AS3844
Description  Current Mode Controller
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AS3844 Datasheet(HTML) 9 Page - List of Unclassifed Manufacturers

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9
ASTEC Semiconductor
AS384x
Current Mode Controller
Typical Performance Curves
Figure 10
Figure 12
Figure 11
Figure 13
0
1
2
3
4
5
6
1.2
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
Current Sense Input Threshold vs Error Amp Output Voltage
T
A = 125°C
T
A = 25°C
T
A = –55°C
V
COMP – Error Amp Output Voltage (V)
–60
–30
0
30
60
T
A – Ambient Temperature (°C)
90
120
15
2.46
2.47
2.48
2.49
2.50
2.51
V
FB = VCOMP
V
CC = 15 V
Error Amp Input Voltage vs Ambient Temperature
0
0.5
1.0
1.5
2.0
2.5
1 A
100
10
1
Output Sink Capability in Under-Voltage Mode
V
OUT – Output Voltage (V)
V
CC = 6 V
T
A = 25°C
10
100
I
OUT – Output Saturation Current (mA)
500
0
1
2
3
–2
–1
0
Output Saturation Voltage
Source Saturation
V
OUT – VCC
T
J = 125°C
Sink Saturation
T
J = 125°C
T
J = –55°C
T
J = 25°C


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