K7805-1500 Datasheet, PDF (3/4 Pages) MORNSUN Science& Technology Ltd. – WIDE INPUT NON-ISOLATED & REGULATED SINGLE OUTPUT

TEST CONFIGURATIONS (TA=25°C)
1 Efficiency and Output Voltage Ripple Test
2 5 .4 mm
2 5 .4 m m
+Vin
1
DC/DC
Converter
3
C1
2
1 2 .7 m m
Copper strip
+Vout
1μF 10μF
C2
Scope
C era mic Tantalum
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
K7801-1500
90
K78X2-1500
85
K7802-1500
80
K7803-1500
75
K7805-1500
70
K78X6-1500
65
60
4.75 5 6 6.5 7.2 8 9 10 12 15 18 20 Vin(V)
Ripple(mV)
30
Ripple VS. Vin(full load)
25
K7801-1500
20
K78X2-1500
K7802-1500
15
K7803-1500
K7805-1500
10
K78X6-1500
5
0
4.75 5 6 6.5 7.2 8 9 10 12 15 18 20 ^Vin(V)
E ffic ienc y(% )
100
Efficiency VS.Load(Vin=12V)
95
K7801-1500
90
K78X2-1500
85
K7802-1500
80
K7803-1500
75
K7805-1500
70
K78X6-1500
65
60
150 300 450 600 750 900 1050 1200 1350 1500 Load(mA)
Ripple(mV)
30
Ripple VS. Load(Vin=12V)
25
K7801-1500
20
K78X2-1500
K7802-1500
15
K7803-1500
10
K7805-1500
K78X6-1500
5
0
150 300 450 600 750 900 1050 1200 1350 1500 Load(mA)
The copyright and authority for the interpretation of the products are reserved by MORNSUN
Specifications subject to change without notice.
K78XX-1500(L) A/2 -2011 Page 3 of 4