The copyright and authority for the interpretation of the products are reserved by MORNSUN

Specifications subject to change without notice.

K78XX-1000(L)

B/1-2011

Page 3 of 4

OUTPUT RIPPLE REDUCTION

3

+Vin

GND

+Vout

1

DC/DC

Converter

C1

22F

μ

2

C2

L

To reduce output ripple, it is recommended to add a LC filter in output port.

L: Recommended parameter 10

μH ~ 47μH.

(figure 5)

CHARACTERISTICS CURVE

Efficiency

Ripple

Efficiency VS. Vin(full load)

40

50

60

70

80

90

100

4.75

9

11

15

18

22

26

30

Vin(V)

Efficiency(%)

K7801-1000

K78X2-1000

K7802-1000

K7803-1000

K7805-1000

K78X6-1000

K7809-1000

K7812-1000

K7815-1000

Ripple VS. Vin(full load)

0

5

10

15

20

25

30

4.75

9

11

15

18

22

26

30

Vin(V)

Ripple(mV)

K7801-1000

K78X2-1000

K7802-1000

K7803-1000

K7805-1000

K78X6-1000

K7809-1000

K7812-1000

K7815-1000

Efficiency VS.Load(Vin=Vin-nominal)

40

50

60

70

80

90

100

50

Efficiency(%)

K7801-1000

K78X2-1000

K7802-1000

K7803-1000

K7805-1000

K78X6-1000

K7809-1000

K7812-1000

K7815-1000

Ripple vs Load(Vin=Vin-nominal)

0

5

10

15

20

25

30

Ripple(mV)

K7801-1000

K78X2-1000

K7802-1000

K7803-1000

K7805-1000

K78X6-1000

K7809-1000

K7812-1000

K7815-1000