CUS250LD Series
7HVW
Single Output
250W Low Prole
Power Supplies
CUS250LD Series 1
www.uk.tdk-lambda.com/cus
Features Benets
• High efciency up to 90% • Compact convection cooled device
• 30mm high • Slim design for use in panels
• Wide range AC input • Allows global use
• Convection cooled • No fan noise
• High grade component selection • 3 year warranty
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Specication
Model CUS250LD
AC Input Voltage VAC 85 - 265VAC (300VAC for 5s)
Input Frequency Hz 47 - 63Hz
DC Input Voltage VDC 120 - 370VDC (No safety certication)
Inrush Current (cold start) A 20A at 115VAC, 40A at 230VAC
Power Factor - Meets EN61000-3-2 (Typical PF 0.98/0.95)(1)
Input Current (115/230VAC) A 2.8 / 1.4
Temperature Coefcient - <0.02%/°C
Overcurrent Protection - > 105%
Overvoltage Protection (2) V 3.3V: 4 - 5.25V, 4.2V: 5 - 6.5V, 5V: 5.75 - 7.5V, 12V: 13.8 - 16.2V, 24V: 27.6 - 32.4V
Hold Up Time ms 20ms
Leakage Current (240VAC 60Hz) mA <0.75mA
Remote Sense - No
LED Indicator - Green LED = On
Operating Temperature (3) °C -25°C to +70°C. Derate down to 50% load from +40°C to +70°C
Storage Temperature °C -30°C to +75°C
Operating Humidity (non condensing) % 30 - 90% RH
Storage Humidity (non condensing) % 10 - 90% RH
Cooling - Convection
Withstand Voltage - Input to Ground 2kVAC, Input to Output 3kVAC, Output to Ground 500VAC for 1 min.
Isolation Resistance - >100M at 25°C & 70%RH, Output to Ground 500VDC
Vibration (non operating) - 10 - 55Hz: 19.6m/s2 constant sweep 1 min X, Y, Z for 1 hour
Shock - < 196.1 m/s2 (20G)
Immunity - IEC61000-4-2 (lv 2, 3), -3 (lv3), -4 (lv 3), -5 (lv3, 4), -6 (lv 3), -8 (lv 4), -11
Safety Agency Certications - UL60950-1, CSA60950-1-07 (cTUVus), EN60950-1, CE Mark
Conducted & Radiated EMI - EN55022-B, FCC--B
Weight (Typ) g 700
Size (LxWxH) mm 198 x 102 x 30
Warranty yrs 3 Years
Notes:
(1) 115 / 230VAC input (2) Cycle AC to reset
(3) See derating curves on page 2.CUS250LD-3 derates linearly to 80% load from 115VAC to 85VAC input
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CUS250LD Series
2
Model Selector
Adjust Max Max Load Line Ripple
Model Voltage Range Current Power Reg Reg Noise Efciency
(V) (A) (W) (mV) (mV) (mV) (typ) % (1)
CUS250LD-3 3.3V 2.97 - 3.63 50 165 40 20 120 86 / 88
CUS250LD-4 4.2V 3.78 - 4.62 50 210 40 20 120 87 / 89
CUS250LD-5 5V 4.5 - 5.5 50 250 40 20 120 88 / 90
CUS250LD-12 12V 10.8 - 13.2 21 252 96 48 120 88 / 90
CUS250LD-24 24V 21.6 - 26.4 10.5 252 192 96 150 88 / 90
Outline Drawing CUS250LD Series
CUS250LD Series 3
Output Derating Curve CUS250
www.emea.tdk-lambda.com
TDK-Lambda France SAS
ZAC des Delaches
CS 41077
9 rue Thuillere
91978 Villebon Courtaboeuf
France
Tel: +33 1 60 12 71 65
Fax: +33 1 60 12 71 66
france@fr.tdk-lambda.com
www.fr.tdk-lambda.com
Italy Sales Office
Via dei Lavoratori 128/130
20092 Cinisello Balsamo (MI)
Italy
Tel: +39 02 61 29 38 63
Fax: +39 02 61 29 09 00
info.italia@it.tdk-lambda.com
www.it.tdk-lambda.com
Netherlands
info@tdk-lambda.nl
www.tdk-lambda.nl
TDK-Lambda Germany GmbH
Karl-Bold-Strasse 40
77855 Achern
Germany
Tel: +49 7841 666 0
Fax: +49 7841 5000
info.germany@de.tdk-lambda.com
www.de.tdk-lambda.com
Austria Sales Office
Aredstrasse 22
2544 Leobersdorf
Austria
Tel: +43 2256 655 84
Fax: +43 2256 645 12
info.germany@de.tdk-lambda.com
www.de.tdk-lambda.com
Scandinavia Sales Office
Valdemarsgade 7
4100 Ringsted
Denmark
Tel: +45 24 63 95 65
Fax: +45 69 80 44 99
info@de.tdk-lambda.com
www.emea.tdk-lambda.com
Switzerland Sales Office
Bahnhofstrasse 50
8305 Dietlikon
Switzerland
Tel: +41 44 850 53 53
Fax: +41 44 850 53 50
info@de.tdk-lambda.com
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TDK-Lambda UK Ltd.
Kingsley Avenue
Ilfracombe
Devon EX34 8ES
United Kingdom
Tel: +44 (0) 12 71 85 66 66
Fax: +44 (0) 12 71 86 48 94
powersolutions@uk.tdk-lambda.com
www.uk.tdk-lambda.com
TDK-Lambda Ltd.
Kibbutz
Givat Hashlosha 48800
Israel
Tel: +9 723 902 4333
Fax: +9 723 902 4777
info@tdk-lambda.co.il
www.tdk-lambda.co.il
Russia
Technical Support:
St Petersburg
Tel: +7 (812) 6580463
Sales:
Moscow
info@tdk-lambda.ru
www.tdk-lambda.ru
Local Distribution
CUS250LD Series
4
CUS250LD Dec13 v4