DC/DC Converters

ctparts.com

Manufacturer of Passive and Discrete Semiconductor Components

800-684-5322 Inside US

949-453-1811 Outside US

Copyright © 2006 by CT Magnetics, DBA Central Technologies. All rights reserved.

CT Magnetics reserves the right to make improvements or change specifications without notice

CENTRAL

SPECIFICATIONS

Vin

Vin

Iout

Iout

Effi.

Part

Nom.

Input Range

Max.*

Vout

Max.

Min.

Typ.

Number

(VDC)

(VDC)

(VDC)

(VDC)

(mA)

(mA)

(%)

CTDD3120DF-0505-S3K-2W5

5

4.5-9

11

5

500

50

74

CTDD3120DF-0509-S3K-3

5

4.5-9

11

9

330

33

75

CTDD3120DF-0512-S3K-3

5

4.5-9

11

12

250

25

76

CTDD3120DF-0515-S3K-3

5

4.5-9

11

15

200

20

78

CTDD3120DF-1205-S3K-2W5

12

9-18

22

5

500

50

78

CTDD3120DF-1209-S3K-3

12

9-18

22

9

330

33

79

CTDD3120DF-1212-S3K-3

12

9-18

22

12

250

25

80

CTDD3120DF-1215-S3K-3

12

9-18

22

15

200

20

81

CTDD3120DF-1505-S3K-2W5

15

12-24

30

5

500

50

77

CTDD3120DF-1509-S3K-3

15

12-24

30

9

330

33

80

CTDD3120DF-1512-S3K-3

15

12-24

30

12

250

25

82

CTDD3120DF-1515-S3K-3

15

12-24

30

15

200

20

83

CTDD3120DF-2405-S3K-2W5

24

18-36

40

5

500

50

78

CTDD3120DF-2409-S3K-3

24

18-36

40

9

330

33

82

CTDD3120DF-2412-S3K-3

24

18-36

40

12

250

25

82

CTDD3120DF-2415-S3K-3

24

18-36

40

15

200

20

83

CTDD3120DF-4805-S3K-2W5

48

36-72

80

5

500

50

78

CTDD3120DF-4809-S3K-3

48

36-72

80

9

330

33

82

CTDD3120DF-4812-S3K-3

48

36-72

80

12

250

25

82

CTDD3120DF-4815-S3K-3

48

36-72

80

15

200

20

83

*If Input voltage above specified may cause permanent damage to the device

ISOLATION SPECIFICATIONS

Item

Test Condition

MIN

TYP

MAX

Units

Isolation Voltage

Flash tested for 1 minute

3000

VDC

Isolation Resistance

Test at 500VDC

1000

M

Ω

OUTPUT SPECIFICATIONS

Item

Test Condition

MIN

TYP

MAX

Units

3W Output Power

0.3

3

W

Output voltage accuracy

Refer to Recommended Circuit

±1

±3

%

Load regulation

From 10% to 100% load

±0.5

±0.75

%

Line regulation

Input Voltage from low to high

±0.2

±0.5

%

Temperature drift (Vout)

Refer to Temp. Derating Graph

0.03

%/°C

Ripple

20Hz to 300KHz Bandwidth

30

60

mVp-p

Noise

DC-20MHz Bandwidth

80

150

mVp-p

Switching frequency

100% load, nominal input voltage

80

200

KHz

Switching frequency

10% load, nominal input voltage

250

600

KHz

CTDD3120DF-S3K-3 Series

Wide Input Isolated & Regulated

3W Output, Single Output

Not shown at actual size.

FEATURES

Efficiency: To 83%

Temperature Range: -40°C to +85°C

Isolation: 3KVDC

Package: UL94-V0

Miscellaneous: Wide (2:1) Input Range. Single Output. No heat

sink required. Industry Standard Pinout. Custom service available.

Samples available.

CHARACTERISTICS

Output Short Circuit Protection: Continuous

Temperature Rise at Full Load: 30°C (Typ.)

Cooling: Free air convection

No Load, Power Consumption: 100mW (typical)

Operating Temperature Range: -40°C to +85°C

Storage Temperature Range: -55°C to +125°C

Lead Temperature: 300°C (1.5mm from case for 10 seconds)

Storage Humidity Range: < 95%

Case Material: Plastic (UL94-V0)

MTBF: >3,500,000 hours

Note:

1. All specifications measured at TA=25°C, humidity<75%, nominal input voltage and rated output unless

otherwise specified.

12.14.06

TYPICAL CHARACTERISTICS

120

80

60

40

20

0

-40

0

40

71 85

120

100

Safe Operating Area

RoHS

Compliant

Temperature Derating Graph