APW7080KA Просмотр технического описания (PDF) - Anpec Electronics
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APW7080KA Datasheet PDF : 23 Pages
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APW7080
Typical Operating Characteristics (Cont.)
Efficiency vs. Output Current
100
90
80
VVOOUUTT==55VV
70
VOUT=3.3V
60
50
40
30
VIN=12v, L=10µH (DCR=50mΩ)
C1=10µF, C4=22µF
20
10
0.001
0.01
0.1
1
10
Output Current, IOUT (A)
EN Clamp Voltage vs. EN Input Current
18
16
14
12
TJ=-30oC
10
TJ=25oC
8
TJ=100oC
6
4
2
0
1
10
100
1000
10000
EN Input Current, IEN (µA)
Operating Waveforms
(Refer to the application circuit 1 in the section “Typical Application Circuits”, VIN=12V, VOUT=3.3V, L1=10µH)
Load Transient Response
IOUT = 50mA -> 3A -> 50mA
IOUT rise/f all time=10µs
1
VOUT
3A
IL1
2
0A
Ch1 : VOUT, 200mV/Div, DC,
Voltage Offset = 3.3V
Ch2 : IL1, 1A/Div, DC
Time : 50µs/Div
Load Transient Response
IOUT = 0.5A -> 3A -> 0.5A
IOUT rise/f all time=10µs
VOUT
1
3A
I
L1
2
0.5A
Ch1 : VOUT, 100mV/Div, DC,
Voltage Offset = 3.3V
Ch2 : IL1, 1A/Div, DC
Time : 50µs/Div
Copyright © ANPEC Electronics Corp.
7
Rev. A.6 - Jun., 2008
www.anpec.com.tw
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