LB240S

240W Single Output LED Supply

www.slpower.com

LB240S56K REV 10.0

10-MAY-2015

Efficiency

VIN

24V

48V

56V

(Vac)

-------

-------

-------

115

88%

90%

90%

230

90%

92%

92%

Overvoltage

Protection

OVP latch, remove AC input to reset.

Output Power

240 Watts max. with 300 LFM

Switching

Frequency

PFC: Fixed, 65kHz

Main Converter: Variable 35-200kHz, 65-

70kHz at full load

Transient

Response

For 5% to 50% or 50% to 5% load

change: <20 mSec, return to 1% of

nominal, di/dt <0.2A/uS. Max voltage

deviation=3%

For 50% to 100% or 100% to 50% load

change: <1 mSec, return to 1% of

nominal, di/dt <0.2A/uS. Max voltage

deviation=3%

For 5% to 100% or 100% to 5% load

change: 25 mSec, return to 1% of

nominal, di/dt <0.2A/uS. Max voltage

deviation=4%

Isolation

Input-Output:

3,000Vac

Input-Ground:

1,800Vac

Output-Ground: 1,500Vac

Ripple and

Noise

0.5%rms, 1% pk-pk, see chart.

Operating

Temperature

-10°C to +70°C( See Below Chart)

Start Up at -40°C

Output Voltage

See Model Chart

Heat-Sink

Temperature

To maintain Safety approval & life

expectancy, heat-sink temperature should

not exceed 85°C

Voltage

Adjustability

Fixed Output

Storage

Temperature

-40°C to +85°C

Minimum Load

Not required

Altitude

Operating: -457 to 3000 m

Non-operating: -457 to 12,192m.

Total Regulation

+/- 3% combined line, load and initial

setting.

Relative Humidity

5% to 95%, non-condensing

Vibration

Operating: 0.003g²/Hz, 1.5grms overall,

3 axes, 1 hr/axis

Non-Operating: 0.026g²/Hz, 5.0grms

overall, 3 axes, 10 min/axis

Shock

Operating: Half-sine, 20gpk, 10ms, 3 axes,

6 shocks total

Non-Operating: Half-sine, 40 gpk, 10 ms,

3axes, 6 shocks total

Dimensions

W: 3.0” x L: 5.0” x H: 1.3”

“H” option: 3.0”x 6.0” x1.5”

Safety Standards

EN/CSA/UL/IEC 60950-1, 2nd Edition

Weight

370g

“H” option: TBD

Life

100,000 hours, 50C for 240W

40,000 hours, 70C for 130W

Audible Noise

20 dB A max per ISO7779

with 0% - 100% static load

25 dB A max per ISO7779

with 0% - 100% - 0% transient load

MTBF

438,540 hours.

Conditions:

Standard: Telcordia SR-332 issue 3

Ambient temp: 25c

Voltage: 110v

Level: 0/1

Environment: Ground, fixed, controlled

The specification above is based on 25°C ambient and where applicable at nominal input voltage of 100 to 240VAC.

Ambient

Cooling Method

Wattage (watts)

50˚C

Forced Air, 300 LFM

240

60˚C

Forced Air, 200 LFM

190

70˚C

Forced Air, 200 LFM

160

Conduction

130

50˚C

Convection

160

Conduction

200