2
SPECIFICATIONS
GENERAL SPECIFICATIONS OUTPUT SPECIFICATIONS
Input Voltage 36~75V Voltage Accuracy Typical ±1.5%
Switching Frequency Typical 330KHz Line Regulation Typical (balance load) ±0.2%
Isolation Voltage In/Out 2250V Load & Cross Regulation Typical (balance load) ±1%
Isolation Capacitance Typical 1500 pF Ripple & Noise Typical 40 mV
Isolation Resistance Minimum 10M Ohms Current Limits Typical 150%
MTBF Bellcore TBD Over Voltage Typical 133%
Size (1.95”x1.55”x0.37”) 49.6 x 39.4 x 9.5mm Voltage Trim +10%, -10%
PART NUMBERING SYSTEM
L 48 D B 120 01 P S F A
Type of
Product
Input
Voltage
Number of
Outputs
Product
Series
Output
Voltage
Output
Current
ON/OFF
Logic
Pin Length Option Code
L - 2”x1.6”
48 -
36~75V
D - Dual
Output
B - Bipolar
Output
120 - 12V
01 - 1.25A
N - Negative
P - Positive
S - 0.190”
R - 0.170”
F- RoHS 6/6
(Lead Free)
Space - RoHS 5/6
A - Standard
Functions
MODEL LIST
MODEL NAME INPUT OUTPUT Efficiency @ Full Load
L48DB12001PS A 36V~75V 1.2A ± 12.0V 1.25A 86%
MECHANICAL DRAWING Open Frame Version
CONTACT: www.delta.com.tw/dcdc
USA:
Telephone:
East Coast: (888) 335 8201
West Coast: (888) 335 8208
Fax: (978) 656 3964
Email: DCDC@delta-corp.com
Europe:
Telephone: +41 31 998 53 11
Fax: +41 31 998 53 53
Email: DCDC@delta-es.tw
Asia & the rest of world:
Telephone: +886 3 4526107 ext 6220
Fax: +886 3 4513485
Email: DCDC@delta.com.tw
WARRANTY
Delta offers a two (2) year limited warranty. Complete warranty information is listed on our web site or is available upon request from
Delta.
Information furnished by Delta is believed to be accurate and reliable. However, no responsibility is assumed by Delta for its use, nor
for any infringements of patents or other rights of third parties, which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Delta. Delta reserves the right to revise these specifications at any time, without notice.
