V78XX-2000 데이터 시트보기 (PDF) - CUI INC
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V78XX-2000 Datasheet PDF : 5 Pages
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a division of CUI INC
SERIES: V78XX-2000
date 06/2010
page 5 of 5
DESCRIPTION: DC SWITCHING REGULATOR,
NON-ISOLATED
TEST CONFIGURATION
Efficiency and Output Voltage Ripple Test
Vin
C1
GND
1
DC/DC
Converter
3
2
25.4mm
25.4mm
12.7mm
+ Vo u t
Copper strip
1 F 10 F
C2
Scope
Ceramic Tantalum
Copper strip
Start-up and Load Transient Response Test
Vi n
C1
GND
1
DC/DC
Converter
3
2
50.8 mm
+Vo ut
Copper strip
C2
Scope
Copper strip
EFFICIENCY AND RIPPLE CURVES
Efficiency
Efficiency VS. Input voltage (full load)
100
95
90
85
80
75
70
65
60
4.75 5 6 6.5 7.2 8 9 10 12 15 18 20
Input voltage(V)
V7802-2000
V7803-2000
V7805-2000
V7806-2000
Ripple
Ripple VS. Load(Vin=nominal)
37
32
27
22
17
12
7
2
200 400 600 800 1000 1200 1400 1600 1800 2000
Load(mA)
V7802-2000
V7803-2000
V7805-2000
V7806-2000
Efficiency VS. Load(Vin=nominal)
100
90
80
70
60
50
200 400 600 800 1000 1200 1400 1600 1800 2000
Load(mA)
V7802-2000
V7803-2000
V7805-2000
V7806-2000
Ripple VS. Input voltage(full load)
34
30
26
22
18
14
10
6
2
4.75 5
6 6.5 7.2 8 9 10 12 15 18 20
Input Voltage(V)
V7802-2000
V7803-2000
V7805-2000
V7806-2000
20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382 www.v-infinity.com
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