Datasheet

DS_B70SR12424A_05232013 E-mail [e-mail]
http://www.deltaww.com/dcdc
P2
Output Characteristics
Item
Conditions
Min.
Typ.
Max.
Unit
Operating Output Current Range
0
24
A
Output Voltage Set Point
Io=0
12.4
12.6
12.8
V
Io=24A
12.0
12.2
12.4
V
Output Voltage Ripple and Noise,
Vin=48V, Io=24A, peak to peak,
20MHz bandwidth
100
150
mV
RMS
30
50
mV
Vin=72V, 80V, Io=24A, peak to peak,
20MHz bandwidth
150
200
mV
RMS
50
80
mV
Output Current Limit
25
28
31
A
Short current
Vin=48V, Auto restart, RMS value
3.5
A
Current share accuracy
24A for each module
6
10
%
Start-up time
750
1000
mS
Rise time
130
200
mS
Output Voltage Protection
13
15
17
V
Output Voltage Current Transient
Positive voltage step, 18A to 12A load
dynamic, 0.1A/us slew rate
300
500
mV
Nagetive voltage step, 12A to 18A load
dynamic, 0.1A/us slew rate
300
500
mV
Maximum Output Capacitance
ESR>10mohm
5000
µF
Output overshoot
3
%
Efficiency @ 100% Load
Vin=48V
87.5
89.5
%
Efficiency @ 100% Load
Vin=72V
88.0
90.0
%
Efficiency @ 100% Load
Vin=80V
88.0
90.0
%
Efficiency @ 60% Load
Vin=48V
88.0
90.0
%
Efficiency @ 60% Load
Vin=72V
88.3
90.3
%
Efficiency @ 60% Load
Vin=80V
88.3
90.3
%
General Characteristics
Item
Conditions
Min.
Typ.
Max.
Unit
Isolation Voltage,
Input to Output, Input to Case
2250
VDC
Ouput to Case
550
VDC
Isolation Resistance, Input to Output
10
MΩ
Isolation Capacitance, Input to Output
5000
pF
Switching Frequency
175
KHz
MTBF
Ta=25ºC, 80%load
4.3
Mhours
Weight
900
g
Environmental Specifications
Parameter
Conditions
Min.
Max.
Unit
Storage Temperature Range
-40
+125
℃
Operating Temperature Range
Ambient Temperature
-40
+75
℃
Maximum permitted meta plate temperature
Vin=72V, Io=24A, Refer to figure20
95
℃
Over Temperature Protection
NTC Temperature
122
℃
Humidity (non condensing)
95
% rel. H
Water Protection Level
Without connector&fuseholder
IP67
Vibration
IEC 60068-2-6
10G/15~200HZ/3 PLANES
Shock
IEC 60068-2-27
50G 3 PLANES
Emission
EN12895
30-1000MHz 34-45dBuV/m
Immunity
EN12895, EN61000-4-3
10V/m /27-1000MHz AM; 10V/m /900MHz PM
ESD
EN12895, EN61000-4-2
Direct: ±2KV ±4KV; Air: ±2KV ±4KV ±8KV
Notes
1
Specifications typical at Ta=+25℃, nominal input voltage and rated full load output current unless otherwise noted.
2
Specifications are subject to change without notice.