NMH Series

Isolated 2W Dual Output DC/DC Converters

KDC_NMH.E03 Page 2 of 6

www.murata-ps.com/support

TEMPERATURE DERATING GRAPH

150

100

50

0

-40

0

1

2

3

Safe Operating Area

85°C

Ambient Temperature (°C)

TOLERANCE ENVELOPE

+10%

Output Load Current (%)

+5%

-7.5%

-2.5%

+2.5%

Typical Load

Line

V

NOM

100

75

50

25

10

OUTPUT CHARACTERISTICS

Parameter

Conditions

Min.

Typ.

Max.

Units

°C to 85°C

2W

Voltage Set Point Accuracy

NMH0505DC/SC

-5

7.5

%

All other types

-5

5

Line regulation

1.0

1.2

%/%

Load Regulation

10% load to rated load, 5V output types

5

10

%

10% load to rated load, 9V output types

310

10% load to rated load, 12V output types

10% load to rated load, 15V output types

Ripple and Noise

BW=DC to 20MHz, 5V output types

150

200

mV p-p

BW=DC to 20MHz, 9V output types

100

150

BW=DC to 20MHz, 12V output types

80

150

BW=DC to 20MHz, 15V output types

70

150

ABSOLUTE MAXIMUM RATINGS

Lead temperature 1.5mm from case for 10 seconds

300°C

Internal power dissipation

300mW

7V

15V

28V

54V

ISOLATION CHARACTERISTICS

Parameter

Conditions

Min.

Typ.

Max.

Units

Isolation test voltage

Flash tested for 1 second

1000

VDC

Resistance

Viso= 500V

1

10

GΩ

GENERAL CHARACTERISTICS

Parameter

Conditions

Min.

Typ.

Max.

Units

Switching frequency

5V input types

95

kHz

12V input types

90

24V & 48V input types

80

TEMPERATURE CHARACTERISTICS

Parameter

Conditions

Min.

Typ.

Max.

Units

Specification

All output types

-40

85

°C

Storage

-50

130

Case Temperature above ambient

5V output types

30

12V output types

25

Cooling

Free air convection

1. See derating graph.

The voltage tolerance envelope shows typical load regulation characteristics for this

product series. The tolerance envelope is the maximum output voltage variation due

to changes in output loading.