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LES SERIES - 15 WATT
DESCRIPTION
LES DC/DC converters provide up to 15 Watts of output
power in an industry standard package and footprint. With a
maximum case temperature of 100°C, the LES is well suited
for the most demanding telecom, networking, and industrial
applications. The LES features 1500 VDC isolation, short
circuit, and overtemperature protection, as well as six-sided
shielding. The LES is available with optional enable and
voltage trim. Please see the IAD series for dual-output
applications.
FEATURES
•
•
•
•
Industry Standard Package
Industry Standard Pinout
85°C Case Operation
Short Circuit Protection
• 24V and 48V Inputs
• Input Pi Filter and
6-Sided Shielding
• Regulated Outputs
• 1500V Isolation
Efficiency vs. Load (24V Input)
85
80
75
EFFICIENCY %
70
65
60
LES010YE-A
EFF. (18v)
EFF. (24v)
EFF. (36v)
TECHNICAL SPECIFICATIONS
Input
Voltage Range
24 VDC Nominal
48 VDC Nominal
Reflected Ripple
Output
Setpoint Accuracy
Line Regulation V
in
Min. - V
in
Max., I
out
Rated
±1%
0.2% V
out
18 - 36 VDC
36 - 75 VDC
50 mA
55
50
45
10
20
30
40
50
60
70
80
90
100
LOAD %
Efficiency vs. Load (48V Input)
85
80
75
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
2% V
out
500
µs
±10%
Shutdown / Hiccup
110 - 150%
200% I
out
115 -140% V
out
Nom.
Second Control Loop
0.5% V
out
10% I
out
Rated
25% I
out
70
65
60
55
50
10
20
30
40
50
60
70
80
90
100
LOAD %
LES010ZE
LES015ZG
Short Circuit Current Max.
OVP Trip Range
OVP Type
General
Turn-On Time
Remote Shutdown
Switching Frequency
Isolation
Input - Output
Output - Case
Temperature Coefficient
Case Temperature
Operating Range
Storage Range
Humidity Max., Non-Condensing
Vibration, 3 Axes, 5 Min Each
MTBF
†
(Bellcore TR-NWT-000332)
Safety
10 ms
Positive/Negative Logic
400 kHz
†
Notes
MTBF predictions may vary slightly from model to model.
1500 VDC
500 VDC
0.02 ppm/°C
-40 To +100°C
-40 To +125°C
95%
5 g, 10 - 55 Hz
2.5 X 10
6
hrs
UL, cUL, TUV
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.
C-14
LES SERIES - 15 WATT
MODELS - (See the last page of this file for options.)
Vin
(Volts)
24
24
24
24
24
48
48
48
48
48
Vin Range
(Volts)
18 - 36
18 - 36
18 - 36
18 - 36
18 - 36
36 - 75
36 - 75
36 - 75
36 - 75
36 - 75
Iin Max.*
(Amps)
1.00
1.00
1.10
0.80
0.60
0.50
0.50
0.60
0.40
0.35
Vout
(Volts)
15
12
5
3.3
2.5
15
12
5
3.3
2.5
Iout Rated
(Amps)
1.00
1.25
3.00
3.00
3.00
1.00
1.25
3.00
3.00
3.00
Ripple & Noise
Pk-Pk (mV)
150
120
100
100
75
150
120
100
100
75
Efficiency
Typ. **
86%
83%
82%
79%
77%
87%
85%
82%
79%
77%
Model
LES015YJ
LES015YH
†
LES015YG
LES010YE
LES008YD
†
LES015ZJ
†
LES015ZH
†
LES015ZG
LES010ZE
LES008ZD
†
† 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
1.00"
(25.4mm)
0.18" MIN.
(4.6mm)
BOTTOM VIEW
0
4
5
6
2.00"
(50.8mm)
1
2
3
DIA 0.040"
(1.0mm)
0.800"(20.3mm)
1.40"(35.6mm)
0
0.300"
(7.6mm)
0.900"
(22.9mm)
0.800"
(20.3mm)
0.500"
(12.7mm)
0.400"
(10.2mm)
0.40"
(10.2mm)
Thermal Impedance
Natural Convection
100 LFM
200 LFM
300 LFM
400 LFM
15.4
12.2
9.3
7.4
6.4
°C/W
°C/W
°C/W
°C/W
°C/W
Pin
1
2
3
4
5
Function
+V
in
-V
in
No Pin
(Shutdown)
+V
out
No Pin
(Trim)
-V
out
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
Note:
Thermal impedance data is dependent on
many environmental factors. The exact
thermal performance should be validated for
specific application.
6
+ 1.0, - 0.00
( Dimensions as listed unless otherwise
specified.)
C-15
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
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-Once, 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.
C-105
Embedded System
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