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OBD SERIES - DUAL OUTPUT, 25 WATT
DESCRIPTION
OBD dual output DC/DC converters provide up to 25
Watts of output power in an industry standard package
and footprint. These units feature excellent efficiency,
six-sided shielding, and fixed switching frequency. With
100°C case operation, the OBD units are especially suited
to telecom, networking, and industrial applications.
These units are 100% surface-mount construction and
fully compatible with production board washing
processes.
FEATURES
• Industry Standard
•
Package
•
• 48V Input
• Fixed-Frequency Design •
• 100°C Case Operation •
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
±1%
0.2% 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 %
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°C)
Storage Range
Vibration, 3 Axes, 5 Min. Each
MTBF† (Bellcore TR-NWT-000332)
Safety
Weight (Approx.)
0.5% V
out
10 % I
out
Rated
25% I
out
4% V
out
500
µs
±10%
Hiccup
110 - 140%
80
70
60
50
40
EFF. OBD025ZJJ
EFF. OBD025ZGG
EFF. OBD025ZHH
115 - 140% V
out
Nom.
Second Control Loop
10 ms
Positive
V
in
Negative
400 kHz
1500 VDC
1050 VDC
500 VDC
0.03%/°C
-40 to +100°C
-40 to +125°C
5 g, 10 - 55 Hz
1.9 x 10
6
hrs
UL, CUL, TUV
1.4 oz
10
20
30
40
50
60
70
80
90
100
LOAD %
Notes
†
††
MTBF predictions may vary slightly from model to model.
Industrial temp range available
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.
1
OBD SERIES - DUAL OUTPUT, 25 WATT
MODELS - (See the last page of this file for options.)
Vin
(Volts)
24
24
48
48
48
Vin Range
(Volts)
18 - 36
18 - 36
36 - 75
36 - 75
36 - 75
Iin Max.*
(Amps)
1.8
1.7
0.93
0.91
0.91
Vout
(Volts)
±5
±15
±5
±12
±15
Iout Rated
(Amps)
±2.5
±0.85
±2.5
±1.0
±0.85
Ripple & Noise
Pk-Pk (mV)
75
150
75
120
150
Efficiency
Typ. **
83%
88%
80%
86%
88%
Model
OBD025YGG
†
OBD025YJJ
†
OBD025ZGG
OBD025ZHH
OBD025ZJJ
†
† Denotes advanced product release. Consult factory for product availability.
* Maximum input current at minimum input voltage, maximum rated output power.
** At nominal Vin, rated output.
MECHANICAL DRAWING
2.00"
(50.8mm)
0.18" MIN.
(4.6mm)
5
1.100"(27.9mm)
DIA 0.040"
(1.0mm)
0.600"(15.2mm)
0.400"(10.2mm)
0.200"(5.1mm)
0
1
2
3
4
6
0.700"(17.8mm)
2.00"
(50.8mm)
BOTTOM VIEW
7
0.300"(7.6mm)
8
-0.100"(2.5mm)
-0.50"(-12.7mm)
1.800"
(45.7mm)
0
-0.10"
(-2.5mm)
0.42"
(10.7mm)
Thermal Impedance
Natural convection
100 LFM
200 LFM
300 LFM
400 LFM
10.3
7.7
6.3
5.1
4.1
°C/W
°C/W
°C/W
°C/W
°C/W
Pin
1
2
3
4
5
6
7
8
Function
+V
in
Tolerances
Inches:
.XX ± 0.020
.XXX ± 0.010
Pin:
± 0.002
Case:
+ 0.04, - 0.00
(Millimeters)
.X ± 0.5
.XX ± 0.25
± 0.05
+ 1.0, - 0.0
Note:
Thermal impedance data is dependent on
many environmental factors. The exact
thermal performance should be validated for
specific application.
-V
in
No Conn.
Enable
+V
out
Common
-V
out
Trim
(Tolerances as listed unless otherwise specified.)
2
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.
OPTION
Negative Logic
Lucent Compatible Trim
Terminal Strip
Trim
Enable
Trim and Enable
Current Share
Headerless
SUFFIX
N
T
TS
1
2
3
4
Y
APPLICABLE SERIES
HAS, HBD, HBS, HES, LES, QBS,
QES, TES, TQD
HAS, HBD, HBS, HES, QBS, QES
XWS, XWD, XWT
IAS, LES
IAD, IAS, LES, SMS
IAS, LES
SMS
Encapsulated EWS, IWS, OWS
REMARKS
TTL “Low” Turns Module ON
TTL “High” Turns Module OFF
PIN LENGTH AND HEATSINK
OPTIONS
0.110” (2.8mm) Pin Length
0.150” (3.8mm) Pin Length
0.24” (6.1mm) Horizontal Heatsink
0.24” (6.1mm) Vertical Heatsink
0.45” (11.4mm) Horizontal
Heatsink
0.45” (11.4mm) Vertical Heatsink
0.95” (24.1mm) Horizontal
Heatsink
0.95” (24.1mm) Vertical Heatsink
8
9
1H
1V
2H
2V
3H
3V
All Units (Except SMS)
All Units (Except SMS)
All Units (Except DIP, SIP, and SM
Packages)
All Units (Except DIP, SIP, and SM
Packages)
All Units (Except DIP, SIP, and SM
Packages)
All Units (Except DIP, SIP, and SM
Packages)
All Units (Except DIP, SIP, and SM
Packages)
All Units (Except DIP, SIP, and SM
Packages)
Standard Pin Length is 0.180”
(4.6mm)
Includes Thermal Pad
Includes Thermal Pad
Includes Thermal Pad
Includes Thermal Pad
Includes Thermal Pad
Includes Thermal Pad
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 manufactured. Specifications are subject to change without notice.
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