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Электронный компонент: OBS025YJ

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1
High Density - Board Mounted Power Division
Powering Communications and Technology
55
60
65
70
75
80
85
90
95
10
20
30
40
50
60
70
80
90
100
LOAD %
EFFICIENCY %
EFF. OBS017ZE
EFF. OBS025ZG
EFF. OBS025ZH
Efficiency vs. Load (48V Input)
65
70
75
80
85
90
95
10
20
30
40
50
60
70
80
90
100
LO AD %
EFFICIENCY %
EFF. OBS025YG
EFF. OBS025YH
EFF. OBS025YJ
Efficiency vs. Load (24V Input)
Trim And Enable
Pins
Fixed Frequency
1500V Isolation
6-Sided Shielding
DESCRIPTION
FEATURES
OBS SERIES
25 WATT
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 100C
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.
Industry standard package
24 and 48V input versions
25W output power
100C baseplate operation
General
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 +100C
Storage Range
-40 to +125C
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
Input
Voltage Range
24 VDC Nominal 18 - 36 VDC
48 VDC Nominal
34 - 75 VDC
Reflected Ripple
25 mA
Input Reverse Voltage Protection
Shunt Diode
Output
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
s
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 25C, normal line, and full load,
unless otherwise stated.
Soldering Conditions: I/O pins, 260C, 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.
2
MECHANICAL DRAWING
Thermal Impedance
Natural Convection
10.3 C/W
100 LFM
7.7 C/W
200 LFM
6.3 C/W
300 LFM
5.1 C/W
400 LFM
4.0 C/W
Tolerances
Note:
Thermal impedance data is
dependent on many environmental
factors. The exact thermal
performance should be validated
for specific application.
Pin
Function
1
+Vin
2
-Vin
3
No Conn.
4
Enable
5
No Pin
6
+Vout
7
-Vout
8
Trim
Inches: (Millimeters)
.XX 0.020 .X 0.5
.XXX 0.010 .XX 0.25
Pin:
0.002 0.05
Case:
+ 0.04, - 0.00
+ 1.0, - 0.00
(Dimensions as listed unless
otherwise specified.)
OBS SERIES
25 WATT
MODELS - (See the last page of Section for options.)
0
-0.100"(-2.5mm)
0.300"(7.6mm)
0.700"(17.8mm)
1.100"(27.9mm)
0
0.200"(5.1mm)
0.400"(10.2mm)
0.600"(15.2mm)
-0.50"(-12.7mm)
5
6
7
4
3
2
8
1
(50.8mm)
2.00"
(50.8mm)
2.00"
(1.0mm)
DIA 0.040"
(10.7mm)
0.42"
(4.6mm)
0.18" MIN.
BOTTOM VIEW
(-2.5mm)
-0.10"
(45.7mm)
1.800"
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High Density - Board Mounted Power Division
Powering Communications and Technology
OPTIONS
When ordering equipment options, use the following suffix information. Select the option(s) that you prefer and
add them to the model number. Example ordering options are located below the options table.
Example Options:
HBS050ZG-ANT3V = HBS050ZG-A with negative logic, Lucent compatible trim, and 0.95" vertical heatsink.
LES015YJ-3N = LES015YJ with optional trim and enable, negative logic.
QBS066ZG-AT8 = QBS066ZG-A with Lucent compatible trim and 0.110" pin length.
NUCLEAR AND MEDICAL APPLICATIONS - Power-One products are not authorized for use as critical components in life support systems, equipment used
in hazardous environments, or nuclear control systems without the express written consent of the President of Power-One, Inc.
TECHNICAL REVISIONS - The appearance of products, including safety agency certifications pictured on labels, may change depending on the date manu-
factured. Specifications are subject to change without notice.
OPTIONS
SUFFIX
APPLICABLE SERIES
REMARKS
Negative Logic
N
HAS, HBD, HBS, HES, HLS, LES,
TTL "Low" Turns Module ON
QBS, QES, QLS, TES, TQD
TTL "High" Turns Module OFF
Lucent Compatible Trim
T
HAS, HBD, HBS, HES, HLS, QBS, QES,
QLS
Terminal Strip
TS
XWS, XWD, XWT
Trim
1
IAS, LES
Enable
2
IAD, IAS, LES, SMS
Trim and Enable
3
IAS, LES
Current Share
4
SMS
Headerless
Y
Encapsulated EWS, IWS, OWS
PIN LENGTH AND HEATSINK
OPTIONS
Standard Pin Length is 0.180"
(4.6mm)
0.110" (2.8mm) Pin Length
8
All Units (Except SMS)
0.150" (3.8mm) Pin Length
9
All Units (Except SMS)
0.24" (6.1mm) Horizontal Heatsink
1H
All Units (Except DIP, HLS, HLD, QLS,
SIP, SM TLD, and TKD Packages)
Includes Thermal Pad
0.24" (6.1mm) Vertical Heatsink
1V
All Units (Except DIP, HLS, HLD, QLS,
SIP, SM TLD, and TKD Packages)
Includes Thermal Pad
0.45" (11.4mm) Horizontal Heatsink
2H
All Units (Except DIP, HLS, HLD, QLS,
SIP, SM TLD, and TKD Packages)
Includes Thermal Pad
0.45" (11.4mm) Vertical Heatsink
2V
All Units (Except DIP, HLS, HLD, QLS,
SIP, SM TLD, and TKD Packages)
Includes Thermal Pad
0.95" (24.1mm) Horizontal Heatsink
3H
All Units (Except DIP, HLS, HLD, QLS,
SIP, SM TLD, and TKD Packages)
Includes Thermal Pad
0.95" (24.1mm) Vertical Heatsink
3V
All Units (Except DIP, HLS, HLD, QLS,
SIP, SM TLD, and TKD Packages)
Includes Thermal Pad
High Density - Board Mounted Power Division
Powering Communications and Technology
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