QES DC/DC Series Data Sheet
Features
• Industry Standard Package
• 100°C Case Operation
• Optional Trim and Enable
• Wide Range Input Voltage
• 1500V Isolation
• Short Circuit Protection
Description
QES single output DC/DC converters provide up to 66 watts of output power in an industry-standard, quarter-brick
package. The QES converters feature open-frame packaging, along with planar magnetics and a high efficiency
topology to provide maximum useable power with minimal thermal constraints. The QES is suited to telecom,
networking, and industrial applications, and is fully compatible with production board washing processes.
Technical Specifications
Input
Voltage Range
24 VDC Nominal
48 VDC Nominal
Input Reverse Input Current
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
Remote Sense Headroom
0.5 VDC
Minimum Output Current
10 %, Iout Rated
Dynamic Regulation, Loadstep 25% Iout
Pk Deviation
4% Vout
Settling Time
500
m
s
Voltage Trim Range
±10%
Short Circuit And Overcurrent Protection
Shutdown
Short Circuit Current Limit
200% Iout
Current Limit Threshold Range, % of Iout Rated 110 - 140%
OVP Trip Range
115 - 140% Vout Nom.
UVP Trip Range
70 - 90% Vout Nom.
OVP/UVP Type
Latching
General
Turn-On Time
30 ms
Remote Shutdown
Positive or Negative Logic
Remote Shutdown Reference
Vin Negative
Switching Frequency
300 kHz
Isolation
Input - Output
1500 VDC
Input - Case
1050 VDC
Output - Case
1050 VDC
Temperature Coefficient
±0.02%/°C
Case Temperature
Operating Range
-40 To +100°C
Storage Range
-40 To +125°C
Thermal Shutdown Range
105 to 115°C
Vibration, 3 Axes, 5 Min Each
5 g, 10 - 55 Hz
MTBF† (Bellcore TR-NWT-000332)
2.5 X 106 hrs
Safety
UL, cUL, TUV
Weight (Approx.)
1.7 oz
REV. AUG 20, 2003
95
Efficiency vs. Load (48V Input)
18 - 36 VDC
36 - 75 VDC
Shunt Diode
EFFICIENCY %
90
85
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
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.
Safety: Agency approvals may vary from model to model. Please
consult factory for specific model information.
Units are water-washable and fully compatible with commercial spray
or immersion post wave-solder washing equipment.
Page 1 of 3
QES DC/DC Series Data Sheet
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. AUG 20, 2003
Page 3 of 3
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