NMA 24V & 48V SERIES

Isolated 1W Dual Output DC-DC Converters

C&D Technologies (NCL) Ltd

Tanners Drive, Blakelands North

Milton Keynes MK14 5BU, England

Tel: +44 (0)1908 615232

Fax:+44 (0)1908 617545

email: info@cdtechno-ncl.com

www: http://www.dc-dc.com

C&D Technologies (NCL), Inc.

5816 Creedmoor Road, Raleigh

NC 27612, USA

Tel: +1 (919) 571-9405

Fax: +1 (919) 571-9262

email: info@us.cdtechno-ncl.com

C&D Technologies (NCL) Limited reserve the right to alter or improve the

specification, internal design or manufacturing process at any time, without

notice. Please check with your supplier or visit our web site to ensure that

you have the current and complete specification for your product before use.

© C&D Technologies (NCL) Limited 2001

NDC NMA2.3

No part of this publication may be copied, transmitted or stored in a

retrieval system or reproduced in any way including, but not limited to,

photography, photocopy, magnetic or other recording means, without prior

written permission from C&D Technologies (NCL) Limited.

Instructions for use are available from www.dc-dc.com

ISOLATION CHARACTERISTICS

PERFORMANCE CHARACTERISTICS

GENERAL CHARACTERISTICS

TEMPERATURE CHARACTERISTICS

PIN CONNECTIONS

Parameter

Conditions

MIN

TYP

MAX

Units

Isolation Test Voltage

Flash tested for 1 second

1000

VDC

Resistance

Viso=500VDC

1

G

Ω

Parameter

Conditions

MIN

TYP

MAX

Units

Switching Frequency

All input types

100

kHz

Parameter

Conditions

MIN

TYP

MAX

Units

Specification

All output types

0

70

°C

Storage

–55

150

°C

Cooling

Free air convection

14 Pin DIP

PIN

1

GND

7

NC

8

0V

9

+V

11

–V

14

7 Pin SIP

PIN

1

2

GND

4

–V

5

0V

6

+V

tolerance envelope

+5%

V nominal

+2.5%

-2.5%

-7.5%

10

50

100

Output Load Current (%)

19.50

9.80

MECHANICAL DIMENSIONS

6.80*

15.24

1.09

2.13

7.62

4.60

3.60

0.55

0.45

0.55

0.45

2.54

19.50

6.00**

10.0

2.00

1.25

12.70

4.60

3.60

2.54

* 7.70 for 48V variants

**7.50 for 48V variants

All dimensions in mm XX.XX ±0.25mm. All pins on a

2.54mm pitch and within ±0.25mm of true position.

14 Pin DIP

Weight: 2.3g (24V)

2.9g (48V)

7 Pin SIP

Weight: 2.3g (24V)

2.9g (48V)

NMA2405D

XYYWW

NMA2405S

XYYWW

1 2

5

6

4

0.30

0.20

8

9

11

14

7

1

0.30

0.20

0.55

0.45

temperature derating graph

2.0

1.5

1.0

0.5

0

–50

0

50

70

100 125 150

Ambient Temperature (°C)

Safe Operating Area