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DC/DC CONVERTER
UNREGULATED TYPE
UMA-F SERIES

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

>2,000,000 Hours at 25oC

Cooling

Free-Air Convection

Case Material

Non-Conductive Plastic

Efficiency

70%-82%

Conducted Emissions

EN55022 Class A

Isolation Voltage

1000 VDC min

Radiated Emissions

EN55022 Class A

Isolation Resistance

109 ohms min

 

 

Mechanical Characteristics

Length: 12.7mm

Height: 6.87/7.62mm

Width: 10.16mm

Weight: 1.7g Typ

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OUTPUT SPECIFICATIONS

1W SINGLE OUTPUT

Model No

INPUT VOLTAGE
(DC)

OUTPUT VOLTAGE
(DC)

OUTPUT CURRENT
(mA)

INPUT CURRENT(mA)

EFF
(%)

ISOLATION
(VDC)

FULL LOAD

NO LOAD

UMAS-0305F

3

5

200

450

70

74

1000

UMAS-0505F

5

5

200

260

26

77

1000

UMAS-0509F

5

9

110

260

27

77

1000

UMAS-0512F

5

12

84

253

26

79

1000

UMAS-0515F

5

15

67

253

28

79

1000

UMAS-1205F

12

5

200

107

11

78

1000

UMAS-1209F

12

9

110

105

11

79

1000

UMAS-1212F

12

12

84

102

11

82

1000

UMAS-1215F

12

15

67

102

12

82

1000

UMAS-2405F

24

5

200

57

8

73

1000

UMAS-2409F

24

9

110

54

8

77

1000

UMAS-2412F

24

12

84

54

8

77

1000

UMAS-2415F

24

15

67

52

7

80

1000

ELECTRICAL SPECIFICATIONS

Input Voltage Range

+/-10% max

Ripple & Noise(20MHz BW)

100mVp-p max

Input Filter

Capacitor Typ

Line Regulation

+/-1.2% max

Protection

Fuse Recommended

Load Regulation

+/-8% max

Fuse Rated

2A

Minimum Load

20% of Full Load

Voltage Setpoint Accuracy

+/-2% max

Short Circuit Protection

Momentary

Temperature Coefficient

+/-0.05%/oC

Transient Response

200uS max

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SIMPLIFIED SCHEMATIC

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MECHANICAL DIMENSIONS &
RECOMMENDED FOOTPRINT DETAILS

UMA-F-SCHEMATIC
UMA-F-FOOTPRINT
03-2-UMA-DIMENSIONS
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