AS2844N 데이터 시트보기 (PDF) - Astec Semiconductor => Silicon Link
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AS2844N Datasheet PDF : 20 Pages
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AS384x
Typical Performance Curves
Current Mode Controller
Regulator Load Regulation
0
–4
–8
–12
150°C
–16
25°C
–55°C
–20
–24
0
20 40 60 80 100 120 140
ISC – Regulator Source Current (mA)
Figure 6
Maximum Duty Cycle vs Timing Resistor
100
80
60
40
20
0.3
1
3
10
RT – Timing Register (kΩ)
Figure 7
Timing Capacitor vs Oscillator Frequency
100
RT = 680 Ω
10
Maximum Duty Cycle Temperature Stability
100
RT = 10 kΩ
90
80
RT = 2.2 kΩ
RT = 2.2 kΩ
1
RT = 4.7 kΩ
RT = 1 kΩ
0.1
10
RT = 10 kΩ
100
1M
FOSC – Oscillator Frequency (kHz)
Figure 8
70
60
RT = 1 kΩ
50
RT = 680 Ω
40
–55 –35 –15 5 25 45 65 85
TA – Ambient Temperature (°C)
105 125
Figure 9
ASTEC Semiconductor
8
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