OES DC/DC Series Data Sheet
Features
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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
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
Input
Voltage Range
48 VDC Nominal
Input Under Voltage Lockout
Input Undervoltage Hysteresis
Reflected Ripple
Input Reverse Voltage Protection
Output
EFFICIENCY %
36 - 72 VDC
<34V
1V Nominal
50 mA pk-Pk
Shunt Diode
Efficiency vs. Load (48V Input)
95
90
85
Setpoint Accuracy
3.3/5.0 V Line Regulation V
in
Min. - V
in
Max., I
out
Rated
2.5/2.1 V 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
Remote Shutdown Reference
Notes
† MTBF predictions may vary slightly from model to model.
±1%
0.2% V
out
0.4% V
out
0.5% V
out
10%, I
out
Rated
25% I
out
6% V
out
500
m
s
±10%
Shutdown / Hiccup
110 - 140%
120 - 140% V
out
Nom.
V
in
Negative
80
75
70
65
60
55
50
45
40
1
2
3
4
5
6
7
8
9
10
X10 = LOAD %
OES021ZC-A
OES025ZD-A
OES033ZE-A
OES040ZG-A
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 - 55 Hz
2.5 X 106 hrs
UL, cUL, TUV
1.4 oz
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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OPTIONS
This page is offered as a reference. Consult factory for actual availability of options. When ordering
equipment options, use the following suffix information. Select preferred option(s) and add the suffix to the
model number. Ordering option examples are located below the options table.
OPTION
Negative Logic
Lucent-Compatible Trim
Trim
Enable
Trim and Enable
SUFFIX
N
T
1
2
3
APPLICABLE SERIES
HAS, HBD, HBS, HES, HLS, HLD, LES,
QBS, QES, QLS, TES, TQD
HAS, HBD, HBS, HES, HLS, QBS, QES,
QLS
IAS, LES
IAD, IAS, LES, SMS
IAS, LES
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 Leaded Models
All Leaded Models
All 1/4-Bricks, 1/2-Bricks, 3/4-Bricks, Full-Bricks
(Except HLS, HLD, QLS, TLD, and TKD Packages)
All 1/4-Bricks, 1/2-Bricks, 3/4-Bricks, Full-Bricks
(Except HLS, HLD, QLS, TLD, and TKD Packages)
All 1/4-Bricks, 1/2-Bricks, 3/4-Bricks, Full-Bricks
(Except HLS, HLD, QLS, TLD, and TKD Packages)
All 1/4-Bricks, 1/2-Bricks, 3/4-Bricks, Full-Bricks
(Except HLS, HLD, QLS, TLD, and TKD Packages)
All 1/4-Bricks, 1/2-Bricks, 3/4-Bricks, Full-Bricks
(Except HLS, HLD, QLS, TLD, and TKD Packages)
All 1/4-Bricks, 1/2-Bricks, 3/4-Bricks, Full-Bricks
(Except HLS, HLD, QLS, TLD, and TKD 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 respective divisional 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.
REV. OCT 03, 2003
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