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

K78LXX-500R2

A/0-2012

Page 4 of 4

TYPICAL CHARACTER CURVE

Efficiency VS Input Voltage curve

(Full Load)

78

80

82

84

86

88

90

92

94

4.75 6

7

8

9 10 11 12 13 14 15 16 17 18

Input Voltage(V)

K78L03-500R2

K78L05-500R2

Efficiency VS Output Load curve

(Vin=Vin-nominal)

76

78

80

82

84

86

88

90

92

94

50

100 150 200 250 300 350 400 450 500

Total Output Current (%)

K78L03-500R2

K78L05-500R2

Ripple VS Input Voltage curve

(Full Load)

0

5

10

15

20

25

4.75 6

7

8

9

10 11 12 13 14 15 16 17 18

Input Voltage (V)）

K78L03-500R2

K78L05-500R2

Ripple VS Output Load curve

(Vin=Vin-nominal)

0

2

4

6

8

10

12

14

16

18

20

50

100

150

200

250

300

350

400

450

500

Total Output Current (%)

K78L03-500R2

K78L05-500R2

OUTLINE DIMENSIONS, RECOMMENDED FOOTPRINT & PACKAGING

5.08[0.200]

11.60

[0.457]

Note

Unit mm inch

Pin section tolerances

mm

inch

General tolerances:

mm

inch

:

:

[]

:±0.10[±0.004]

±0.25[±0.010]

Note:

Unit

mm[inch]

General tolerance

±0.50mm[±0.020inch]

:

：

L=530mm[20.866 inch]

Packaging quantity:43pcs

L=220mm[8.661inch]

Packaging quantity:17pcs

Short tube inner packaging dimensions: L*W*H=255*170*80mm;

Short tube outer packaging dimensions(with six inner packaging boxes):

L*W*H=375*280*270mm;

Long tube inner packaging dimensions: L*W*H=580*200*100mm;

Long tube outer packaging dimensions(with two inner packaging boxes)

L*W*H=600*215*220mm;

Long tube outer packaging dimensions(with three inner packaging boxes)

L*W*H=600*215*325mm.

：

：

MECHANICAL DIMMENSIONS

RECOMMENDED FOOTPRINT

TUBE OUTLINE DIMENSIONS

123

0.50[0.020]

9.60

[0.378]

4.90[0.193]

Note: grid

mm

2.54*2.54.

(

)

Front View

()

Bottom View

FOOTPRINT

DETAILS

Pin

Positive Output

GND

+Vout

+Vin

1

2

3

Ф .00[0.039]

1

123

Note:

1. Max. Capacitive Load tested at input voltage range and full load.

2. All specifications measured at Ta=25

°C, humidity<75%, nominal input voltage and rated output load unless otherwise specified.

3. In this datasheet, all the test methods of indications are based on our corporate standards.

4. All characteristics are for listed model, non-standard models may perform differently, please contact our technical person for more detail.

5. Contact us for your specific requirement.

6. Specifications subject to change without prior notice.

MORNSUN Science & Technology Co.,Ltd.

Address: No. 5, Kehui St. 1, Kehui development center, Science Ave., Guangzhou Science City, Luogang district, Guangzhou,P.R.China.

Tel: 86-20-38601850

Fax:86-20-38601272

Http://www.mornsun-power.com