APW7108
Operating Waveforms (Cont.)
Load Transient at PWM Mode
0A->5A->0A (CH1)
Load Transient at PFM Mode
0A->5A->0A (CH1)
IOUT1 rise/falltim e = 1ms
IOUT1 rise/falltim e = 1ms
1
2
1
2
3
4
3
4
CH1: VOUT1 (AC, 50mV/div)
CH2: VPHASE1 (20V/div)
CH3: IL1 (5A/div)
CH4: VOUT2 (AC, 50mV/div)
Time: 20ms/div
CH1: VOUT1 (AC, 50mV/div)
CH2: VPHASE1 (20V/div)
CH3: IL1 (5A/div)
CH4: VOUT2 (AC, 50mV/div)
Time: 20ms/div
Load Transient at PWM Mode
0A->5A->0A (CH2)
Load Transient at PFM Mode
0A->5A->0A (CH2)
IOUT2 rise/falltim e = 1ms
IOUT2 rise/falltim e = 1ms
1
1
2
3
2
3
4
4
CH1: VOUT1 (AC, 50mV/div)
CH2: VPHASE1 (20V/div)
CH3: IL1 (5A/div)
CH1: VOUT1 (AC, 50mV/div)
CH2: VPHASE1 (20V/div)
CH3: IL1 (5A/div)
CH4: VOUT2 (AC, 50mV/div)
Time: 20ms/div
CH4: VOUT2 (AC, 50mV/div)
Time: 20ms/div
Copyright ã ANPEC Electronics Corp.
10
www.anpec.com.tw
Rev. A.4 - Jan., 2009
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
