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Eighth-Brick Series
Single output
DC/DC CONVERTERS * * * * * * * * * * High Current, High Efficiency, Low Profile NEW Product 1 Ultra-high efficiency topology Industry standard eighth brick footprint (identical to quarter-brick pinout) Low profile through-hole version Low profile with 38% space savings over other quarter-brick brick converters Wide ambient temperature range, -40 C to +85 C 80% to 110% output trim Monotonic start-up in normal and prebiased loads Basic insulation system Overvoltage and overtemperature protection Secondary side control, no optocouplers, fast transient response * 100 V, 100 ms input voltage transient rated * Available RoHS compliant
This is a new high efficiency, open-frame, low profile, single board, isolated dc-dc converter series in an industry standard eight-brick footprint that provides up to 100 W of output power. The series delivers very high output current at low voltages, and excellent useable power for today's high performance applications. The series features an input voltage range of 18 Vdc to 36 Vdc and 36 Vdc to 75 Vdc and is available with output voltages of 1.2 V, 1.5 V 1.8 V, 2.5 V, 3.3 V and 5.0 V. The output voltage is adjustable from 80% to 110% of the nominal value. The series also has a remote ON/OFF capability. Overcurrent, overvoltage and overtemperature protection features are included as standard. Full international safety approval including EN60950-1 VDE and UL/cUL60950, reduces compliance costs and time to market.
All specifications are typical at nominal input, full load at 25 C ambient unless otherwise stated
Patent No. 6,765,810 Other Patents Pending
2 YEAR WARRANTY
SPECIFICATIONS
OUTPUT SPECIFICATIONS Voltage adjustability Minimum load Overshoot Undershoot Transient response (See Note 1) INPUT SPECIFICATIONS Input voltage range Input current 24 V nominal 48 V nominal No load Remote OFF 18-36 Vdc 36-75 Vdc 50 mA 5 mA Open collector ref to -input Open circuit or >2.4 Vdc <0.4 Vdc up down up down 17.5 16.5 35.5 33.5 V (typ.) V (typ.) V (typ.) V (typ.) At turn-on and turn-off 80% to 110% 0% None None 60 mV to 150 mV typ. deviation 20 s recovery
EMC CHARACTERISTICS Immunity: ESD air enclosure Radiated field enclosure Conducted Input transients EN61000-4-2 8 kV/6 kV(O/P within spec.) EN61000-4-3 10 V/m (O/P within spec.) EN61000-4-6 10 V (O/P within spec.) 100 V, 100 ms
GENERAL SPECIFICATIONS Basic insulation Switching frequency Approvals and standards Material flammability Weight MTBF Input/output Fixed (See Note 3) 2250 Vdc 480 kHz EN60950-1 VDE UL/cUL 60950 UL94V-0 21 g (0.73 oz) Telcordia Tech SR-332 4,034,120 hours
Active high remote ON/OFF Logic compatibility ON OFF Undervoltage Lockout 24 Vin 48 Vin 48 Vin Start-up time (See Note 2) Power Power Power Power
ENVIRONMENTAL SPECIFICATIONS Thermal performance Operating ambient. temperature Non-operating -40 C to +85 C -55 C to +125 C
PROTECTION Shortcircuit Overvoltage Thermal Continuous Non-latching 125 C hot spot temperature with automatic recovery
Power up Remote ON/OFF
15 ms (typ.) 15 ms (typ.)
International Safety Standard Approvals
UL/cUL CAN/CSA 22.2 No. 60950-00 : UL 60950 File No. E135734/60950 VDE Certificate No. 40005017. File No. 10401-3336-0197 CB Report and Certificate to IEC60950, Certificate No. DE1-31103
File Name: eighth_brick.pdf Rev (07): 16 Nov 2005
Eighth-Brick Series
Single output
DC/DC CONVERTERS High Current, High Efficiency, Low Profile NEW Product
MODEL NUMBER (7,8)
2
For the most current data and application support visit www.artesyn.com/powergroup/products.htm
OUTPUT VOLTAGE INPUT CURRENT (MAX.) (4) INPUT RIPPLE CURRENT (5) OUTPUT CURRENT (MAX.) REGULATION EFFICIENCY (TYP.) SET POINT ACCURACY (MAX.) 1.5% 1.5% 1.5% 1.5% 1.5% 1.5% 1.5% 1.5% 1.5% 1.5% 1.5% 1.5% 1.5% 1.5% 1.5% 1.5% 1.5% LINE LOAD
RIPPLE & NOISE (pk - pk) 60 mV 60 mV 60 mV 60 mV 60 mV 60 mV 60 mV 60 mV 60 mV 60 mV 60 mV 60 mV 60 mV 60 mV 60 mV 35 mV 60 mV
48 Vin VALUE MODELS 1.2 V 1.5 V 1.8 V 2.5 V 3.3 V 5.0 V 1.2 V 1.5 V 1.8 V 2.5 V 3.3 V 5.0 V 2.5 V 3.3 V 5.0 V 1.8 V 3.3 V 0.98 A 1.21 A 1.43 A 1.62 A 2.11 A 1.59 A 1.98 A 1.91 A 2.30 A 1.99 A 2.65 A 2.30 A 3.20 A 3.20 A 3.20 A 2.40 A 4.25 A 100 mA 100 mA 100 mA 150 mA 150 mA 100 mA 150 mA 150 mA 150 mA 200 mA 200 mA 150 mA 150 mA 150 mA 150 mA 50 mA 170 mA 25 A 25 A 25 A 20 A 20 A 10 A 50 A 40 A 40 A 25 A 25 A 15 A 40 A 30 A 20 A 20 A 20 A 88% 89.5% 90.5% 90% 91% 92% 86% 88.5% 90% 89.5% 90.5% 91.5% 91% 90.5% 92% 24 Vin MODELS 91% 90% 0.1% 0.1% 0.2% 0.2% LES20A24-1V8J LES20A24-3V3J 0.1% 0.1% 0.1% 0.1% 0.1% 0.1% 0.1% 0.1% 0.1% 0.1% 0.1% 0.1% 0.1% 0.1% 0.1% 0.2% 0.2% 0.2% 0.2% 0.2% 0.2% 0.2% 0.2% 0.2% 0.2% 0.2% 0.2% 0.2% 0.2% 0.2% LES25A48-1V2J LES25A48-1V5J LES25A48-1V8J LES20A48-2V5J LES20A48-3V3J LES10A48-5V0J LES50A48-1V2J LES40A48-1V5J LES40A48-1V8J LES25A48-2V5J LES25A48-3V3J LES15A48-5V0J LES40A48-2V5J LES30A48-3V3J LES20A48-5V0J
48 Vin PERFORMANCE MODELS
48 Vin ULTRA MODELS
Part Number System with Options
LES50A48-1V2RANJ
RoHS Compliance (7) J = Pb-free (RoHS 6/6 compliant) Pin Length Options Blank = 0.188" (4.78 mm) N = 0.145" (3.68 mm) K = 0.110" (2.79 mm) Body Height, Package Type and Pin Length A = 0.300" (7.62 mm), Through Hole, 0.188" (4.78 mm) Pins E = 0.340" (8.64 mm), Through Hole, 0.188" (4.78 mm) Pins S = Surface Mount Remote ON/OFF Logic Blank = Positive R = Negative
L = Low Profile E = 1/8 Brick Number of outputs S = Single Rated Output Current 10 A = 10 Amps, 15 A = 15 Amps etc. Nominal Rated Input Voltage 24 = 24 Volts (18 Vdc to 36 Vdc range) 48 = 48 Volts (36 Vdc to 75 Vdc range) Output Voltage 1V2 = 1.2 Volts, 1V5 = 1.5 Volts etc. Notes
1 di/dt = 1 A/s, Vin = 24 or 48 Vdc, Tc = 25 C, load change = 50% to 75% lo max. and 75% to 50% lo max. Deviation varies by model. For further details see long form data sheets. Start-up into resistive load. This product is only for inclusion by professional installers within other equipment and must not be operated as a stand alone product. Recommended input fusing is up to 10 A HRC 200 V rated fuse. Peak to peak measured with no external Pi filter. Significant reduction possible with external filter. See Application Note 138 for further details. 6 7 8
2 3 4 5
Active low Remote ON/OFF is available. Standard product is Active High. When ordering active low parts, designate with the Suffix `R' e.g. LES50A48-1V2RAJ. TSE RoHS 5/6 (non Pb-free) compliant versions may be available on special request, please contact your local sales representative for details. NOTICE: Some models do not support all options. Please contact your local Artesyn representative or use the on-line model number search tool at http://www.artesyn.com/powergroup/products.htm to find a suitable alternative.
File Name: eighth_brick.pdf Rev (07): 16 Nov 2005
Eighth-Brick Series
Single output
DC/DC CONVERTERS High Current, High Efficiency, Low Profile NEW Product 3 For the most current data and application support visit www.artesyn.com/powergroup/products.htm
2.30 (58.4) 2.000 (50.80) 0.145 0.020 (3.68 0.51) 0.300 (7.62) 0.300 (7.62) 1 8 7 6 5 4
o0.040 0.002 (o1.02 0.05) (6 pls)
DIMENSION OPTIONS OPTION CLEARANCE 0.016 (0.41) HEIGHT +0.022 (0.56) -0.030 (0.76) 0.300 (7.62) 0.340 (8.64)
0.90 (22.9)
TOP VIEW
2 3
0.150 (3.81) 0.150 (3.81)
A E
HEIGHT See Option Table
0.030 (0.76) 0.070 (1.78)
0.45 (11.4)
(o1.57 0.05) (2 pls)
o 0.062 0.002
0.188 (4.78)
CLEARANCE See Option Table
2.30 (58.4) 2.000 (50.80) 0.145 0.020 (3.68 0.51) 0.300 (7.62) 0.300 (7.62) 1 2 3 8 7 6 5 4
o0.058 0.008 (o1.47 0.02) (6 pls) Ref IPC-2222 Level B
PIN CONNECTIONS PIN NUMBER 1 FUNCTION +Vin ON/OFF -Vin -Vout PIN NUMBER 5 6 7 8 FUNCTION -Sense Trim +Sense +Vout
0.90 (22.9)
0.150 (3.81) 0.150 (3.81)
2
Dimensions in Inches (mm) Tolerances (unless otherwise specified) x.xx 0.02 (x.x 0.5) x.xxx 0.010 (x.xx 0.25)
0.45 (11.4)
o 0.080 0.008 (o2.03 0.02) (2 pls) Ref IPC-2222 Level B
3 4
RECOMMENDED HOLE PATTERN
Through-hole Mechanical Drawing, Dimension Options and Pinout Table
2.30 (58.4) 0.0570.020 (1.450.51) 2.186 (55.52)
0.055 (1.40) x 0.105 (2.67) (7 pls)
0.150 (3.81) 0.90 (22.9) 0.300 (7.62) 0.300 (7.62) 1 TOP VIEW 2 3 8 7 6 5 4
0.4500.020 (11.430.51)
0.150 (3.81)
PIN CONNECTIONS
HEIGHT 0.28 (7.1)
PIN NUMBER 1
CLEARANCE 0.015 (0.38) o0.0800.008 (o2.030.02) (2 pls) Ref IPC-2222 Level B 2.30 (58.4) 2.186 (55.52) 0.0570.020 (1.450.51) 1 TOP VIEW 0.300 (7.62) 2 3 0.1450.020 (3.680.51) 2.000 (50.80) 8 7 6 5 4
0.067(1.70) x 0.118(3.00) (8 pls)
FUNCTION +Vin ON/OFF -Vin -Vout
PIN NUMBER 5 6 7 8
FUNCTION -Sense Trim +Sense +Vout
2 3 4
o0.0580.008 (o1.470.02) (6 PLS) Ref IPC-2222 Level B
0.150 (3.81) Lead coplanarity within 0.006 [0.15] MAX
0.90 (22.9)
0.300 (7.62)
0.4500.020 (11.430.51)
0.150 (3.81)
Dimensions in Inches (mm) Tolerances (unless otherwise specified) x.xx 0.02 (x.x 0.5) x.xxx 0.010 (x.xx 0.25)
Surface-mount Mechanical Drawing and Pinout Table
Datasheet (c) Artesyn Technologies(R) 2005 The information and specifications contained in this datasheet are believed to be correct at time of publication. However, Artesyn Technologies accepts no responsibility for consequences arising from printing errors or inaccuracies. The information and specifications contained or described herein are subject to change in any manner at any time without notice. No rights under any patent accompany the sale of any such product(s) or information contained herein.
Please consult our website for the following items: Application Note Longform Data Sheets
www.artesyn.com
File Name: eighth_brick.pdf Rev (07): 16 Nov 2005

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