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Powering Communications and Technology
OES SERIES
40 WATT
DESCRIPTION
OES DC/DC converters are ultra-dense, 40
Watt, single output converters produced for the
telecom and networking markets. Making use of
open-frame packaging, planar magnetics, high
efficiency topologies, and surface-mount design,
the OES has superior thermal performance.
The OES features 1500 VDC isolation and
overvoltage protection, as well as input
undervoltage lockout.
TECHNICAL SPECIFICATIONS
Voltage Range
48 VDC Nominal
Input Under Voltage Lockout
Input Undervoltage Hysteresis
Reflected Ripple
Input Reverse Voltage Protection
Input
36 - 72 VDC
<34V
1V Nominal
50 mA Pk-Pk
Shunt Diode
Output
Setpoint Accuracy
3.3/5.0 V Line Regulation Vin Min. - Vin Max., Iout Rated
2.5/2.1 V Line Regulation Vin Min. - Vin Max., Iout Rated
Load Regulation Iout Min. - Iout Max., Vin Nom.
Minimum Output Current
Dynamic Regulation, Loadstep
Pk Deviation
Settling Time
Voltage Trim Range
Short Circuit / Overcurrent Protection
Current Limit Threshold Range, % of Iout Rated
OVP Trip Range
Remote Shutdown Reference
±1%
0.2% Vout
0.4% Vout
0.5% Vout
10%, Iout Rated
25% Iout
6% Vout
500 µs
±10%
Shutdown / Hiccup
110 - 140%
120 - 140% Vout Nom.
Vin Negative
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.
FEATURES
• Ultra-Dense 40W
converter
• Industry standard
package
• 100 °C baseplate
operation
• Open-Frame packaging
• 5, 3.3, 2.5, and
2.1V Outputs
• Remote Enable
Pin
• 1500V Isolation
• Input Pi Filter
Efficiency vs. Load (48V Input)
95
90
85
80
75
70
65 OES021ZC-A
60 OES025ZD-A
55 OES033ZE-A
50 OES040ZG-A
45
40
1 2 3 4 5 6 7 8 9 10
X10 = LOAD %
General
Turn-On Time
Remote Shutdown
Switching Frequency, 3.3V Output
Switching Frequency, 5.0, 2.5, 2.1V Outputs
Isolation
Input - Output
Input - Case
Output - Case
Temperature Coefficient
Case Temperature
Operating Range
Storage Range
Thermal Shutdown Range
Vibration, 3 Axes, 5 Min Each
MTBF† (Bellcore TR-NWT-000332)
Safety
Weight (Approx.)
10 ms
Positive Logic
400 kHz
300 kHz
1500 VDC
1050 VDC
500 VDC
±0.03%/°C
-40 To +100°C
-40 To +125°C
105 To 115°C
5 g, 10
2.5 X
1- 0565
Hz
hrs
UL, cUL, TUV
1.4 oz
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Powering Communications and Technology
MODELS - (See the last page of Section for options.)
Vin
(Volts)
Vin Range
(Volts)
Iin Max.*
(Amps)
Vout
(Volts)
48 36 - 72
0.77
2.1
48 36 - 72
0.87
2.5
48 36 - 72 1.12 3.3
48 36 - 72
1.31
5
* Maximum input current at minimum input voltage, maximum rated output power.
** At nominal Vin, rated output.
Iout Rated
(Amps)
10.00
10.00
10.00
8.00
MECHANICAL DRAWING
OES SERIES
40 WATT
Ripple & Noise
Pk-Pk (mV)
50
50
75
75
Efficiency
Typ. **
84%
81%
85%
89%
Model
OES021ZC-A
OES025ZD-A
OES033ZE-A
OES040ZG-A
Thermal Impedance
Natural Convection
100 LFM
200 LFM
300 LFM
400 LFM
11.3 C/W
8.9 C/W
6.2 C/W
4.4 C/W
3.4 C/W
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 +Vout
6 -Vout
7 Trim
2
Tolerances
Inches:
.XX ± 0.020
.XXX ± 0.010
(Millimeters)
.X ± 0.5
.XX ± 0.25
Pin:
± 0.002
± 0.05
(Dimensions as listed unless otherwise specified.)

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OPTIONS
Powering Communications and Technology
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.
OPTIONS
Negative Logic
Lucent Compatible Trim
Terminal Strip
Trim
Enable
Trim and Enable
Current Share
Headerless
SUFFIX
APPLICATIONS SERIES
N HAS, HBD, HBS, HES, LES, QBS,
QES, TES, TQD
T HAS, HBD, HBS, HES, QBS, QES
TS XWS, XWD, XWT
1 IAS, LES
2 IAD, IAS, LES, SMS
3 IAS, LES
4 SMS
Y 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" (24.1mmVertical Heatsink
Standard Pin Length is 0.180"
(4.6mm)
8 All Units (Except SMS)
9 All Units (Except SMS)
All Units (Except DIP, SIP, and SM
1H Packages)
Includes Thermal Pad
All Units (Except DIP, SIP, and SM
1V Packages)
Includes Thermal Pad
All Units (Except DIP, SIP, and SM
2H Packages)
Includes Thermal Pad
All Units (Except DIP, SIP, and SM
2V Packages)
Includes Thermal Pad
All Units (Except DIP, SIP, and SM
3H Packages)
Includes Thermal Pad
All Units (Except DIP, SIP, and SM
3V Packages)
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 are not authorized for use as critical components in life support systems, equipment used in hazardous envi-
ronments, 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 diepending on the date manufactured.
Specificationsare subject to change without notice.
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