APW7108 Datasheet, PDF (10/28 Pages) Anpec Electronics Coropration – Dual Mobile-Friendly PWM Controller

APW7108
Operating Waveforms (Cont.)
Load Transient at PFM Mode
0A->5A->0A (CH1)
µ
1
Load Transient at PWM Mode
0A->5A->0A (CH1)
µ
1
2
3
4
CH1: V_OUT1 (AC, 50mV/div)
CH2: V_PHASE1 (20V/div)
CH3: I_L1 (5A/div)
CH4: V_OUT2 (AC, 50mV/div)
Time: 20µs/div
Load Transient at PFM Mode
0A->5A->0A (CH2)
µ
1
2
3
4
CH1: V_OUT1 (AC, 50mV/div)
CH2: V_PHASE1 (20V/div)
CH3: I_L1 (5A/div)
CH4: V_OUT2 (AC, 50mV/div)
Time: 20µs/div
2
3
4
CH1: V_OUT1 (AC, 50mV/div)
CH2: V_PHASE1 (20V/div)
CH3: I_L1 (5A/div)
CH4: V_OUT2 (AC, 50mV/div)
Time: 20µs/div
Load Transient at PWM Mode
0A->5A->0A (CH2)
µ
1
2
3
4
CH1: V_OUT1 (AC, 50mV/div)
CH2: V_PHASE1 (20V/div)
CH3: I_L1 (5A/div)
CH4: V_OUT2 (AC, 50mV/div)
Time: 20µs/div
Copyright © ANPEC Electronics Corp.
10
Rev. A.4 - Jan., 2009
www.anpec.com.tw