LM1577, LM2577
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SNOS658D –JUNE 1999–REVISED APRIL 2013
A: Output Voltage Change, 100 mV/div
B: Output Current, 100 mA/div
Horizontal: 10 ms/div
Figure 48. Load Transient Response of Flyback
Regulator of Figure 44, −15V Output
A: Switch pin voltage, 20 V/div
B: Primary current, 2 A/div
C: +15V Secondary current, 1 A/div
D: +15V Output ripple voltage, 100 mV/div
Horizontal: 5 μs/div
Figure 49. Switching Waveforms of Flyback Regulator of Figure 44, Each Output Loaded with 60Ω
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