AS3843N13 Просмотр технического описания (PDF) - Astec Semiconductor => Silicon Link
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AS3843N13 Datasheet PDF : 20 Pages
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Current Mode Controller
Typical Performance Curves
AS384x
Current Sense Input Threshold vs Error Amp Output Voltage
1.2
1.0
0.8
TA = 25°C
0.6
TA = 125°C
0.4
0.2
TA = –55°C
0
–0.2
–0.4
0
1
2
3
4
5
6
VCOMP – Error Amp Output Voltage (V)
Figure 10
Error Amp Input Voltage vs Ambient Temperature
2.51
2.50
2.49
2.48
2.47
2.46
–60 –30
VFB = VCOMP
VCC = 15 V
0
30
60 90 120 15
TA – Ambient Temperature (°C)
Figure 11
Output Sink Capability in Under-Voltage Mode
1A
VCC = 6 V
TA = 25°C
Output Saturation Voltage
0
TJ = 125°C
–1
Source Saturation
VOUT – VCC
100
10
1
0
0.5
1.0
1.5
2.0
VOUT – Output Voltage (V)
Figure 12
ASTEC Semiconductor
–2
TJ = –55°C
3
TJ = 25°C
2
1 Sink Saturation
TJ = 125°C
2.5
0
10
100
500
IOUT – Output Saturation Current (mA)
Figure 13
9
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