APW7098
Operating Waveforms (Cont.)
Load Transient , 0A==>40A
Load Transient , 40A==>0A
VPHASE1
VPHASE1
IPHASE2
VOUT
1
1
2
3
IPHASE2
2
VOUT
3
IOUT
RSEN=3kW
L=0.56mH
DCR=4mW
RSEN=3kW
L=0.56mH
IOUT
DCR=4mW
4
4
CH1: VPHASE1 (20V/div)
CH2: IPHASE2 (20A/div)
CH3: VOUT (AC, 200mV/div)
CH4: IOUT (10A/div)
CH1: VPHASE1 (20V/div)
CH2: IPHASE2(20A/div)
CH3: VOUT (AC, 200mV/div)
CH4: IOUT (10A/div)
Time: 20ms/div
Time: 20ms/div
OCP at Slow Slew IOUT
Short-Circuit Test After Power On
RSEN=1.5kW
L=0.56mH
DCR=4mW
RSEN=1.5kW
L=0.56mH
DCR=4mW
IL1
IL1
1
2
1
2
IL2
IL2
VSS
VSS
3
4
3
4
VOUT
VOUT
CH1: IL1 (10A/div)
CH2: IL2 (10A/div)
CH3: VSS (5V/div)
CH4: VOUT (1V/div)
Time: 5ms/div
CH1: IL1 (10A/div)
CH2: IL2 (10A/div)
CH3: VSS (5V/div)
CH4: VOUT (1V/div)
Time: 5ms/div
Copyright ã ANPEC Electronics Corp.
10
www.anpec.com.tw
Rev. A.6 - Oct., 2009
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
