00title405a

DC/DC CONVERTER
UNREGULATED TYPE
US SERIES

ELECTRICAL SPECIFICATIONS

Input Voltage Range

+/-10% max

Line Regulation

+/-1.2% max

Input Filter

Capacitor Typ

Load Regulation

+/-8% max

Protection

Fuse Recommended

Minimum Load

10% of Full Load

Voltage Setpoint Accuracy

+/-2% max

Short Circuit Protection

Momentary

Temperature Coefficient

+/-0.03%/oC

Transient Response

200uS max

Ripple & Noise(20MHz BW)

100mVp-p max

 

 

GENERAL SPECIFICATIONS

Operating Temperature

-25oC to +71oC

Isolation Capacitance

80pF max

Storage Temperature

-55oC to +125oC

Switching Frequency

50 KHz min

Humidity

95% max

MTBF

>2,000,000 Hours at 25oC

Cooling

Free-Air Convection

Case Material

Non-Conductive Plastic

Efficiency

70%-83%

Conducted Emissions

EN55022 Class A

Isolation Voltage

1000 VDC min

Radiated Emissions

EN55022 Class A

Isolation Resistance

109 ohms min

 

 

Mechanical Characteristics

Length: 22.6mm

Height: 8.4mm

Width: 9.9mm

Weight: 3.1g Typ

0.5W SINGLE OUTPUT

Model No

INPUT VOLTAGE (DC)

OUTPUT VOLTAGE
(DC)

OUTPUT CURRENT
(mA)

INPUT CURRENT(mA)

EFF
(%)

ISOLATION (VDC)

Output Power
(Watt)

FULL LOAD

NO LOAD

USS-0505-1

5

5

100

135

11

74

1000

0.5

USS-0509-1

5

9

56

133

14

75

1000

0.5

USS-0512-1

5

12

42

127

14

79

1000

0.5

USS-0515-1

5

15

34

130

15

77

1000

0.5

USS-1205-1

12

5

100

55

6

76

1000

0.5

USS-1209-1

12

9

56

52

5

80

1000

0.5

USS-1212-1

12

12

42

50

5

83

1000

0.5

USS-1215-1

12

15

34

50

5

83

1000

0.5

USS-2405-1

24

5

100

28

3

74

1000

0.5

USS-2409-1

24

9

56

25

3

83

1000

0.5

USS-2412-1

24

12

42

25

3

83

1000

0.5

USS-2415-1

24

15

34

25

3

83

1000

0.5

USS-4805-1

48

5

100

14

2

74

1000

0.5

USS-4809-1

48

9

56

13

2

80

1000

0.5

USS-4812-1

48

12

42

13

2

80

1000

0.5

USS-4815-1

48

15

34

13

2

80

1000

0.5

1W SINGLE OUTPUT

Model No

INPUT VOLTAGE
(DC)

OUTPUT VOLTAGE
(DC)

OUTPUT CURRENT
 (mA)

INPUT CURRENT(mA)

EFF
(%)

ISOLATION
 (VDC)

Output Power
 (Watt)

FULL LOAD

NO LOAD

USS-0503.3-2

5

3.3

300

274

21

73

1000

1

USS-0505-2

5

5

200

274

21

73

1000

1

USS-0509-2

5

9

111

268

20

75

1000

1

USS-0512-2

5

12

84

255

20

78

1000

1

USS-0515-2

5

15

67

253

20

79

1000

1

USS-0524-2

5

24

42

253

20

79

1000

1

USS-1203.3-2

12

3.3

300

112

11

74

1000

1

USS-1205-2

12

5

200

112

11

74

1000

1

USS-1209-2

12

9

111

105

10

79

1000

1

USS-1212-2

12

12

84

102

10

82

1000

1

USS-1215-2

12

15

67

102

10

82

1000

1

USS-1224-2

12

24

42

102

10

82

1000

1

USS-2403.3-2

24

3.3

300

58

10

72

1000

1

USS-2405-2

24

5

200

58

10

72

1000

1

USS-2409-2

24

9

111

52

6

80

1000

1

USS-2412-2

24

12

84

50

5

83

1000

1

USS-2415-2

24

15

67

50

5

83

1000

1

USS-2424-2

24

24

42

50

5

83

1000

1

USS-4803.3-2

48

3.3

300

28

3

74

1000

1

USS-4805-2

48

5

200

28

3

74

1000

1

USS-4809-2

48

9

111

27

3

77

1000

1

USS-4812-2

48

12

84

25

3

83

1000

1

USS-4815-2

48

15

67

25

2

83

1000

1

USS-4824-2

48

24

42

25

2

83

1000

1

00title405a

OUTPUT SPECIFICATIONS

2W SINGLE OUTPUT

Model No

INPUT VOLTAGE
 (DC)

OUTPUT VOLTAGE
(DC)

OUTPUT CURRENT
(mA)

INPUT CURRENT
(mA)

EFF
(%)

ISOLATION
(VDC)

Output Power
(Watt)

FULL LOAD

NO LOAD

USS-0505-3

5

5

400

520

40

77

1000

2

USS-0509-3

5

9

222

506

40

79

1000

2

USS-0512-3

5

12

167

500

40

80

1000

2

USS-0515-3

5

15

133

488

40

82

1000

2

USS-1205-3

12

5

400

214

15

78

1000

2

USS-1209-3

12

9

222

214

15

78

1000

2

USS-1212-3

12

12

167

201

15

83

1000

2

USS-1215-3

12

15

133

196

15

85

1000

2

USS-2405-3

24

5

400

107

10

78

1000

2

USS-2409-3

24

9

222

107

10

78

1000

2

USS-2412-3

24

12

167

103

10

81

1000

2

USS-2415-3

24

15

133

100

10

83

1000

2

USS-4805-3

48

5

400

56

6

74

1000

2

USS-4809-3

48

9

222

54

6

77

1000

2

USS-4812-3

48

12

167

51

6

81

1000

2

USS-4815-3

48

15

133

51

6

81

1000

2

00title405a

SIMPLIFIED SCHEMATIC

01US-cir02
00title405a

MECHANICAL DIMENSIONS &
RECOMMENDED FOOTPRINT DETAILS

03US-pin03
01-2-US-DIMENSIONS
side-bg11b
side-bg11
side-bg12
side-bg-crn1
page4s1
btn-blk
side-bg11
side-bg-crn
btn-co-j1
00002