APW7093 데이터 시트보기 (PDF) - Anpec Electronics
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APW7093 Datasheet PDF : 20 Pages
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APW7093
Typical Application
VIN
10Ω
1µF
APW7093
IN
33µF
VCC
VEXTREF
SHDN
EXTREF
TOFF
LX
PGND
GND
FB
REF
SS
RTOFF
0.01µF
L
0.1µF
VOUT
220µF
15mΩ
R2
50KΩ
FOR VIN =5V: L=1mH, RTOFF=100kW
FOR VIN=3.3V: L=0.68mH, RTOFF=68kW
Fig2. Typical Applicatin Circuit
Typical Characteristics
(Circuit of Figure2, VOUT=1.25V, for VIN=3.3V: L: 0.68µH, RTOFF=68kΩ; for VIN=5V: L=1µH, TOFF=100kΩ. TA=25C
if not specially)
Effienciency vs. Output Current
100
95
90
85
80
75
70
65
60
55
50
45
40
0
VIN=5V, VOUT=3.3V
VIN=5V, VOUT=1.25V
VIN=5V, VOUT=2.5V
VIN=3.3V, VOUT=1.25V
1
2
3
Output Current(A)
No Load Supply Current vs. Input Voltage
50
40
30
VOUT=1.25V
RTOFF=68kΩ
20
10
0
0
1
2
3
4
5
6
Input Voltage(V)
Copyright © ANPEC Electronics Corp.
6
Rev. A.5 - Jun., 2005
www.anpec.com.tw
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