NPH25S Datasheet, PDF (2/2 Pages) C&D Technologies – Isolated 25W Single Output DC/DC Converters

NPH25S SERIES
Isolated 25W Single Output DC-DC Converters
ENVIRONMENTAL
Parameter
Case Temperature
Storage
Relative Humidity
Thermal Protection
Conditions
Full load
Absolute MAX internal temperature
Non condensing 85°C
Operates at case temperature
THERMAL CHARACTERISTICS
UL 1950 recognition -
MAX permissible loads for a given ambient temperature for any NPH25S model
Temperature (°C)
40
50
60
70
Power (W)
25.0
22.2
19.4
16.6
Temperature (°C)
80
85
90
Power (W)
13.9
12.5
11.1
MAX power rating with case temperature maintained by external means
(eg forced air cooling)
Part Number
NPH25S2403
NPH25S2405
NPH25S2412
NPH25S2415
NPH25S4803
NPH25S4805
NPH25S4812
NPH25S4815
100°C
24
25
30
30
25
25
30
30
Case Temperature
105°C
20
22
24
27
20
24
29
30
110°C
15
18
21
22
16
20
24
26
Units
W
W
MIN
–40
–40
110
TYP
MAX
Units
110
°C
125
°C
85
%
°C
THERMAL PERFORMANCE
35
2415
30
2412
25
2405
20
2403
15
10
5
0
-40
35
30
25
20
15
-20 0 20 40 60 80 100 120
Ambient Temperature (°C)
4815
4812
4805
4803
10
5
0
-40 -20 0 20 40 60 80 100 120
Ambient Temperature (°C)
MECHANICAL DIMENSIONS
1.97 (50.00)
1.38
(35.00)
BOTTOM VIEW
0.20 (5.08)
0.20 (5.08)
0.59
(14.96)
SS
+V_IN
-V_IN
+ V _OUT
ADJ
0V
0.29
(7.34)
0.80
(20.32)
0.39 (10.00)
0.18 (4.50)
0.15 (3.70)
0.58
(14.84)
0.80
(20.32)
0.20
(5.08)
Ø
0.04
0.04
(1.04)
(0.90)
Weight: 45g
All dimensions in Inches (mm) ± 0.01 (0.25)
All pins on a 0.10 (2.54) pitch and within ± 0.01 (0.25) of true position
* Optional
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.
For information and instructions on use, please consult the NPH SERIES
APPLICATION NOTES.
© C&D Technologies (NCL) Limited 2002
NDC NPH25S.5
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.cdpoweronline.com
C&D Technologies (NCL) Ltd
Tanners Drive, Blakelands North
Milton Keynes MK14 5BU, England
Tel: [phone]
Fax: [phone]
email: [e-mail]
www.cdpoweronline.com
C&D Technologies Inc.
3400 E Britannia Drive, Tucson,
Arizona 85706, USA
Tel: [phone]
Fax: [phone]
email: [e-mail]