Page 1 of 3 Issued Date：2008/05/21

INPUT SPECIFICATIONS

Input voltage range

24V nominal input

48V nominal input

18-36VDC

36-75VDC

Input surge voltage

100mS max

24V input

48V input

50VDC

100VDC

Input reflected ripple current

12uH source impedance

(πfilter with 220μF & 33μF)

30mAp-p,Typ.

Start up time

Nominal Vin

Constant resistive

load

Power up

RemoteON/OFF

30mS, max.

30mS, max.

Start-up voltage

24V input

48V input

17VDC

33VDC

Shutdown voltage

24V input

48V input

14.5VDC

30.5VDC

Remote ON/OFF (Note 7)

Positive logic(Option)

Negative logic(Standard)

DC-DC ON

DC-DC OFF

DC-DC ON

DC-DC OFF

Open or 3V < Vr < 15V

Short or - 0.7V < Vr < 1.2V

Short or - 0.7V < Vr < 1.2V

Open or 3V < Vr < 15V

Input current of remote control pin

Nominal Vin

-0.5mA ~ 1.0mA

Remote off state input current

Nominal Vin

20mA,Max

ENVIRONMENTAL SPECIFICATIONS

Operating ambient temperature (Note

8)

-40℃ to +85℃ (with derating)

Storage temperature range

-55℃ to +125℃

Thermal shock

MIL-STD-810F

Vibration

MIL-STD-810F

Relative humidity

5% to 95% RH

EMC CHARACTERISTICS

EMI (Note 9)

EN55022

Class A

Radiated immunity

EN61000-4-3

10 V/m Perf. Criteria A

Fast transient (Note

10)

EN61000-4-4

±

2KV Perf. Criteria B

Surge (Note 10)

EN61000-4-5

±

1KV Perf. Criteria A

Conducted immunity

EN61000-4-6

10 Vr.m.s Perf. Criteria A

OUTPUT SPECIFICATIONS

Output power

15Watts max

Voltage accuracy

±1%

Minimum load

0%

Voltage adjustability (Note 6)

±10%

Line regulation

LL to HL at Full Load

±0.2%

Load regulation

No Load to Full Load

±0.2%

Ripple and noise

20MHz bandwidth

(Measured with a 1μF

M/C and a 10μF T/C)

5V,3.3V

15V,12V

See table

Temperature coefficient

±0.02%/℃

25% load step change

Transient response recovery time

Δ

Io/Δt=0.1A/us

300μS

Over voltage protection

(Voltage clamped)

3.3V output

5V output

12V output

15V output

3.7VDC-5.4VDC

5.6VDC-7.0VDC

13.5VDC-19.6VDC

16.8VDC-20.5VDC

Output load protection

150%, max.

Short circuit protection

Hiccup & Automatics recovery

Output voltage overshoot

3%

GENERAL SPECIFICATIONS

Efficiency

See table

Isolation voltage

Input to Output

2250Vdc, min.

Isolation resistance

10MΩ, min.

Isolation capacitance

1000pF, Typ.

Switching frequency

5V,3.3V

15V,12V

270KHz, Typ.

470KHz, Typ.

Approvals and standard

IEC60950-1,UL60950-1,EN60950-1

Dimensions

1.10 X 0.94 X 0.34 Inch

(27.9 X 23.9 X 8.5 mm)

Weight

10.5g(0.36oz)

MTBF (Note 1)

BELLCORE TR-NWT-000332

MIL-HDBK-217F

2.200x10

1.314x10

FEATURES

℃

+85℃ WIDE OPERATING TEMPERATURE

OPTIONS

Positive logic Remote On/Off, SMD type, Without trim, without On/Off pin

DESCRIPTION

LED15 single output DC/DC converters provide up to 15 watts of output power in an

industry standard package and footprint. All models feature a wide input range,

comprehensively protected against over-current, over-voltage and input

under-voltage protection conditions, and trimmable output voltage.

APPLICATIONS

Wireless Network

Telecom/Datacom

Industry Control System

Measurement Equipment

Semiconductor Equipment