For the most current data and application support visit www.artesyn.com/powergroup/products.htm

DC/DC CONVERTERS

High Current, High Efficiency, Low Profile

2

NEW Product

File Name: eighth_brick.pdf Rev (07): 16 Nov 2005

LES50A48-1V2RANJ

Part Number System with Options

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)

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

Eighth-Brick Series

Single output

Notes

1

di/dt = 1 A/µs, 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.

2

Start-up into resistive load.

3

This product is only for inclusion by professional installers within other

equipment and must not be operated as a stand alone product.

4

Recommended input fusing is up to 10 A HRC 200 V rated fuse.

5

Peak to peak measured with no external Pi filter. Significant reduction

possible with external filter. See Application Note 138 for further details.

6

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.

7

TSE RoHS 5/6 (non Pb-free) compliant versions may be available on

special request, please contact your local sales representative for details.

8

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.

Pin Length Options

Blank = 0.188” (4.78 mm)

N = 0.145” (3.68 mm)

K = 0.110” (2.79 mm)

OUTPUT

INPUT

INPUT

OUTPUT

EFFICIENCY

REGULATION

MODEL

VOLTAGE

CURRENT

RIPPLE

CURRENT

(TYP.)

SET POINT

LINE

LOAD

RIPPLE &

NUMBER

(7,8)

(MAX.)

ACCURACY

NOISE

(MAX.)

(pk - pk)

48 Vin VALUE MODELS

1.2 V

0.98 A

100 mA

25 A

88%

±1.5%

±0.1%

±0.2%

60 mV

LES25A48-1V2J

1.5 V

1.21 A

100 mA

25 A

89.5%

±1.5%

±0.1%

±0.2%

60 mV

LES25A48-1V5J

1.8 V

1.43 A

100 mA

25 A

90.5%

±1.5%

±0.1%

±0.2%

60 mV

LES25A48-1V8J

2.5 V

1.62 A

150 mA

20 A

90%

±1.5%

±0.1%

±0.2%

60 mV

LES20A48-2V5J

3.3 V

2.11 A

150 mA

20 A

91%

±1.5%

±0.1%

±0.2%

60 mV

LES20A48-3V3J

5.0 V

1.59 A

100 mA

10 A

92%

±1.5%

±0.1%

±0.2%

60 mV

LES10A48-5V0J

48 Vin PERFORMANCE MODELS

1.2 V

1.98 A

150 mA

50 A

86%

±1.5%

±0.1%

±0.2%

60 mV

LES50A48-1V2J

1.5 V

1.91 A

150 mA

40 A

88.5%

±1.5%

±0.1%

±0.2%

60 mV

LES40A48-1V5J

1.8 V

2.30 A

150 mA

40 A

90%

±1.5%

±0.1%

±0.2%

60 mV

LES40A48-1V8J

2.5 V

1.99 A

200 mA

25 A

89.5%

±1.5%

±0.1%

±0.2%

60 mV

LES25A48-2V5J

3.3 V

2.65 A

200 mA

25 A

90.5%

±1.5%

±0.1%

±0.2%

60 mV

LES25A48-3V3J

5.0 V

2.30 A

150 mA

15 A

91.5%

±1.5%

±0.1%

±0.2%

60 mV

LES15A48-5V0J

48 Vin ULTRA MODELS

2.5 V

3.20 A

150 mA

40 A

91%

±1.5%

±0.1%

±0.2%

60 mV

LES40A48-2V5J

3.3 V

3.20 A

150 mA

30 A

90.5%

±1.5%

±0.1%

±0.2%

60 mV

LES30A48-3V3J

5.0 V

3.20 A

150 mA

20 A

92%

±1.5%

±0.1%

±0.2%

60 mV

LES20A48-5V0J

24 Vin MODELS

1.8 V

2.40 A

50 mA

20 A

91%

±1.5%

±0.1%

±0.2%

35 mV

LES20A24-1V8J

3.3 V

4.25 A

170 mA

20 A

90%

±1.5%

±0.1%

±0.2%

60 mV

LES20A24-3V3J

Output Voltage

1V2 = 1.2 Volts, 1V5 = 1.5 Volts etc.

J = Pb-free (RoHS 6/6 compliant)

Remote ON/OFF Logic

Blank = Positive

R = Negative