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DC/DC CONVERTER
UNREGULATED TYPE
UMB-2W 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

+/-0.05%/oC

Transient Response

100uS max

Ripple & Noise(20MHz BW)

100mVp-p max

 

 

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OUTPUT SPECIFICATIONS

GENERAL SPECIFICATIONS

Operating Temperature

-25oC to +71oC

Isolation Capacitance

80pF max

Storage Temperature

-55oC to +125oC

Switching Frequency

100 KHz min

Humidity

95% max

MTBF

>1,700,000 Hours at 25oC

Cooling

Free-Air Convection

Case Material

Non-Conductive Plastic

Efficiency

72%-85%

Conducted Emissions

EN55022 Class A

Isolation Voltage

1000 VDC min

Radiated Emissions

EN55022 Class A

Isolation Resistance

109 ohms min

 

 

Mechanical Characteristics

Length:14.0mm

Height:10.14mm

Width: 7.5mm

Weight: 2.0g Typ

2W SINGLE OUTPUT

Model No

INPUT VOLTAGE
(DC)

OUTPUT VOLTAGE
(DC)

OUTPUT CURRENT
(mA)

INPUT CURRENT(mA)

EFF
(%)

ISOLATION
(VDC)

FULL LOAD

NO LOAD

UMBS-0505-2W

5

5

400

520

40

77

1000

UMBS-0509-2W

5

9

222

506

40

79

1000

UMBS-0512-2W

5

12

167

500

40

80

1000

UMBS-0515-2W

5

15

133

488

40

82

1000

UMBS-1205-2W

12

5

400

214

15

78

1000

UMBS-1209-2W

12

9

222

214

15

78

1000

UMBS-1212-2W

12

12

167

200

15

83

1000

UMBS-1215-2W

12

15

133

196

15

85

1000

UMBS-2405-2W

24

5

400

107

10

78

1000

UMBS-2409-2W

24

9

222

107

10

78

1000

UMBS-2412-2W

24

12

167

103

10

81

1000

UMBS2415-2W

24

15

133

101

10

83

1000

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SIMPLIFIED SCHEMATIC

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MECHANICAL DIMENSIONS &
RECOMMENDED FOOTPRINT DETAILS

UMB-2W-SCHEMATIC
UMB-2W-FOOTPRINT-1
UMB-2W-DIMENSIONS
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