Rev. B

LTW Series

15 Watts

Triple Outputs

DC/DC Power Converters

Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833

08/26/2014

603-778-2300 www.wallindustries.com Fax 603-778-9797

Page 3 of 4

MODEL SELECTION TABLE

Model Number

Input Voltage Range

Output Voltage

Output Current

Output Power

5 VDC

1.5A

+12 VDC

0.31A

LTW2412-15EI

24 VDC

(9 – 36 VDC)

-12 VDC

0.31A

15W

5 VDC

1.5A

+15 VDC

0.25A

LTW2415-15EI

24 VDC

(9 – 36 VDC)

-15VDC

0.25A

15W

5 VDC

1.5A

+12 VDC

0.31A

LTW4812-15EI

48 VDC

(20 – 72 VDC)

-12 VDC

0.31A

15W

5 VDC

1.5A

+15 VDC

0.25A

LTW4815-15EI

48 VDC

(20 – 72 VDC)

-15VDC

0.25A

15W

APPLICATIONS

Test Circuit

Recommended Filter for EN55022 Class A Compliance

+Vo1

+Vo2

+Vo3

COM

+Vin

GND

Cin

Cout

Cout

Triple

100uF/25V

100uF/25V

24V & 48V:Cin 100uF,100V

GRAPHS

Derating Curve

Tolerance

Output Current (%)

120

110

100

90

80

70

100

75

50

25

0

-40

75

100

Ambient Temperature (°C)

85

10

20

30 40 50 60 70 80 90 100 110 120

Natural Convection

C1

C2

12uH

47uF

33uF

+Vin

-Vin

+Vout

-Vout

DC/DC

Converter

Load

L