Warranty – Delta Electronics Q48DM User Manual
Page 2
SPECIFICATIONS
GENERAL SPECIFICATIONS
OUTPUT SPECIFICATIONS
Input Voltage
2
36~75V
Voltage Accuracy
Typical ±1.5%
Switching Frequency
Line Regulation
Typical (3.3V)
350KHz
Typical ±0.5%
Isolation Voltage
In/Out 1500V Load Regulation
Typical ±1.5%
Isolation Capacitance Typical 1500
pF
Ripple & Noise
Typical 50
mV
Isolation Resistance Minimum 10M
Ohms
Current Limits
Typical 140%
MTBF
Over Voltage
Bellcore (3.3V)
TBD
Typical 135%
Size
Voltage Trim
(2.28” Ч1.45” Ч0.38”)
57.9 x 36.8 x 9.7 mm
For Vout2
±10%
PART NUMBERING SYSTEM
Q
48
D
M
3R3
12
N
N
F
A
Product
Type
Input
Voltage
Number of
Outputs
Product
Series
Output
Voltage 1
Output
ON/OFF
Logic
Pin
Length
Option
Code
Voltage 2
Q - Quarter
Brick
48V
D - Dual Output
M - 75W
Platform
3R3 - 3.3V
12 - 1.2V
N - Negative
N - 0.150”
A - Standard
Functions
F - RoHS 6/6
R - 0.170”
P - Positive
(Lead Free)
MODEL LIST
OUTPUT
*
MODEL NAME
INPUT
EFF @ Full Load
Q48DM3R312NN A
36V~75V
2.4A
3.3V/12A
1.2V/25A
88.5%
*
Note: Total output power should not exceed 75 watts and maximum output current for high output is 12A, for low output is 25A.
MECHANICAL DRAWING
CONTACT:
USA:
Europe:
Asia & the rest of world:
Telephone:
Telephone: +41 31 998 53 11
Telephone: +886 3 4526107 ext 6220
East Coast: (888) 335 8201
Fax: +41 31 998 53 53
Fax: +886 3 4513485
West Coast: (888) 335 8208
Fax: (978) 656 3964
Email:
Email:
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.