K7801-2000 데이터 시트보기 (PDF) - MORNSUN Science& Technology Ltd.
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K7801-2000 Datasheet PDF : 4 Pages
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TEST CONFIGURATIONS (TA=25°C)
1 Efficiency and Output Voltage Ripple Test
25.4mm
25.4mm
12.7mm
+Vin
1
DC/DC
Converter
3
+Vout
Copper strip
C1
2
1μ F 10μ F
Scope
C2 Ce ramic Tan talum
GND
Copper strip
(figure 6)
2 Start-up and Load Transient Response Test
50.8 mm
+Vin
C1
GND
1
DC/DC
Converter
3
2
+ Vo u t
Copper strip
Scope
C2
(figure 7)
Copper strip
CHARACTERISTICS CURVE
Efficiency
Ripple
Efficiency VS.Vin (full load)
Efficiency(%)
100
95
90
85
80
75
70
65
60
55
50
4.75 5
6 6.5 7.2 8
9 10 12 15 18 20
K7801-2000
K78X2-2000
K7802-2000
K7803-2000
K7805-2000
K78X6-2000
Vin(V)
Ripple VS. Vin(full load)
Ripple(mV)
45
40
35
K7801-2000
30
K78X2-2000
25
K7802-2000
20
K7803-2000
15
K7805-2000
10
K78X6-2000
5
0
4.75 5 6 6.5 7.2 8 9 10 12 15 18 20 Vin(V)
Efficiency VS. Load(Vin=12V)
Efficiency(%)
100
95
90
85
80
75
70
65
60
55
50
200 400 600 800 1000 1200 1400 1600 1800 2000
K7801-2000
K78X2-2000
K7802-2000
K7803-2000
K7805-2000
K78X6-2000
Load(mA)
Ripple VS. Load(Vin=12V)
Ripple(mV)
45
40
35
K7801-2000
30
K78X2-2000
25
K7802-2000
20
K7803-2000
15
K7805-2000
10
K78X6-2000
5
0
200 400 600 800 1000 1200 1400 1600 1800 2000 Load(mA)
The copyright and authority for the interpretation of the products are reserved by MORNSUN
Specifications subject to change without notice.
K78XX-2000(L) A/2 -2011 Page 3 of 4
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