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参数资料
型号： OBS025ZJ
厂商： POWER-ONE INC
元件分类： 电源模块
英文描述： 1-OUTPUT 25 W DC-DC REG PWR SUPPLY MODULE
文件页数： 1/2页
文件大小： 87K
代理商： OBS025ZJ
OBS DC-DC Series Data Sheet
MCD10043 Rev. 1.0
Page 1 of 2
www.power-one.com
Efficiency vs. Load (48V Input)
General
Output
Input
Efficiency vs. Load (24V Input)
55
60
65
70
75
80
85
90
95
10
20
30
40
50
60
70
80
90
100
LOAD %
EFF. OBS017ZE
EFF. OBS025ZG
EFF. OBS025ZH
65
70
75
80
85
90
95
10
20
30
40
50
60
70
80
90
100
LO AD %
EFF. OBS025YG
EFF. OBS025YH
EFF. OBS025YJ
Description
Features
OBS single output dc-dc converters provide up to 25 watts of output power in an industry-standard package and
footprint. The OBS units feature excellent efficiency, six-sided shielding, and fixed switching frequency. With 100 °C
case operation, the OBS converters are especially suited to telecom, networking, and industrial applications. These
units are 100% surface-mount construction and fully-compatible with production board washing processes.
RoHS lead-solder exemption compliant
Industry-standard package
24 and 48 V input versions
25 W output power
100 °C baseplate operation
Trim and enable pins
Fixed frequency
1500 V isolation
6-sided shielding
Turn-On Time: 24 & 48Vin
10 ms
Remote Shutdown
Positive
Remote Shutdown Reference
Vin Negative
Switching Frequency
400 kHz
Isolation
Input - Output
1500 VDC
Input - Case (24 Vin units)
500 VDC
Output - Case (48 V in units)
500 VDC
Temperature Coefficient
0.03%/°C
Case Temperature
Operating Range
-40 to +100 °C
Storage Range
-40 to +125 °C
Humidity Max., Non-Condensing
95%
Vibration, 3 Axes, 5 Min Each
5 g, 10 - 55 Hz
MTBF (Bellcore TR-NWT-000332)
1.8 x 106 hrs
Safety
UL, cUL, TUV
Weight (Approx.)
1.9 oz
Technical Specifications
Voltage Range
24 VDC Nominal
18 - 36 VDC
48 VDC Nominal
34 - 75 VDC
Reflected Ripple
25 mA
Input Reverse Voltage Protection
Shunt Diode
Setpoint Accuracy
±1%
Line Regulation Vin Min - Vin Max., Iout Rated
0.2% Vout
Load Regulation Iout Min. - Iout Max., Vin Nom.
0.5% Vout
Minimum Output Current
10 % Iout Rated
Dynamic Regulation, Loadstep
25% Iout
Pk Deviation
4% Vout
Settling Time
500
μs
Voltage Trim Range
±10% Iout Rated
Short Circuit / Overcurrent Protection
Hiccup
Current Limit Threshold Range, % of Iout Rated
110 - 140%
OVP Trip Range
115 - 140%Vout Nom.
OVP
Hiccup
Notes
MTBF predictions may vary slightly from model to model.
Specifications typically at 25
°C , normal line, and full load, unless otherwise
stated.
Soldering Conditions: I/O pins, 260
°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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