鈥?100擄C Case Operation 鈥?/div>
Trim and Enable Pins
Fixed Switching
Frequency
1500V Isolation
6-Sided Shielding
Efficiency vs. Load (24V Input)
90
85
EFFICIENCY %
80
75
70
65
EFF. OBD25YJJ
EFF. OBD25YHH
TECHNICAL SPECIFICATIONS
Input
Voltage Range
48 VDC Nominal
Reflected Ripple
Input Reverse Voltage Protection
Output
Setpoint Accuracy
Line Regulation V
in
Min. - V
in
Max., I
out
Rated
Load Regulation I
out
Min. - I
out
Max., V
in
Nom.
Minimum Output Current
Dynamic Regulation, Loadstep
Pk Deviation
Settling Time
Voltage Trim Range
Short Circuit / Overcurrent Protection
Current Limit Threshold Range, % of I
out
Rated
OVP Trip Range
OVP and UVP Type
General
Turn-On Time: 24 & 48V Input
Remote Shutdown
Remote Shutdown Reference
Switching Frequency
Isolation
Input - Output
Input - Case (12 V
in
and 24 V
in
units)
Output - Case (48 V
in
units)
Temperature Coefficient
Case Temperature
Operating Range (12V Input Max. Temp +85擄C)
Storage Range
Vibration, 3 Axes, 5 Min. Each
MTBF鈥?(Bellcore TR-NWT-000332)
Safety
Weight (Approx.)
10 ms
Positive
V
in
Negative
400 kHz
1500 VDC
1050 VDC
500 VDC
0.03%/擄C
-40 to +100擄C
-40 to +125擄C
5 g, 10 - 55 Hz
1.9 x 10
6
hrs
UL, CUL, TUV
1.4 oz
鹵1%
0.2% V
out
0.5% V
out
34 - 75 VDC
25 mA
Shunt Diode
10
20
30
40
50
60
70
80
90
100
LOAD %
Efficiency vs. Load (48V Input)
100
90
EFFICIENCY %
25% I
out
4% V
out
500
碌s
鹵10%
Hiccup
110 - 140%
115 - 140% V
out
Nom.
Second Control Loop
10 % I
out
Rated
80
70
60
50
40
10
20
30
40
50
60
70
80
90
100
LOAD %
EFF. OBD025ZJJ
EFF. OBD025ZGG
EFF. OBD025ZHH
Notes
鈥?/div>
鈥犫€?/div>
MTBF predictions may vary slightly from model to model.
Industrial temp range available
Specifications typically at 25擄C, normal line, and full load, unless otherwise stated.
Soldering Conditions: I/O pins, 260擄C, ten seconds; fully compatible with
commercial wave-soldering equipment.
Units are water-washable and fully compatible with commercial spray or immersion
post wave-solder washing equipment.
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1
2
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