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25 to 30 Watt XC Triple Series DC/DC Converters

Features

!

Single and Dual Output Sections Isolated

from each Other and Independently Regulated

Overall Output Accuracy up to 10:1 Better than

Competitive Products

Standby Current Less than 0.5 mA for Low Power

Pulsed Battery Operation

Fully Filtered and Specified; Very Low Noise Inputs

and Outputs

PCB Mounting with Optional Heat Sink and Chassis

Mounting Kit

Industrial Operating Temperature Range Standard,

-40 to 85擄C

Five Year Warranty

!

!

!

!

!

!

Description

The 25-30 Watt Triple Series opens up new application areas

in high efficiency DC/DC conversion. The unique dual control

loop output design allows for independent regulation of both

the single and dual outputs. This increases the total output

accuracy by up to 10:1 over competitive designs. The design

also eliminates cross regulation from the +5 section to the

dual outputs. The 25-30 Watt Triple Series runs at 80-85%

efficiency.

Model

12T5.12XC

12T5.15XC

24T5.12XC

24T5.15XC

48T5.12XC

48T5.15XC

Selection Chart

Input Range

VDC

Min

10.0

10.0

18.0

18.0

36.0

36.0

Max

20.0

20.0

36.0

36.0

72.0

72.0

Outputs

VDC

5, 鹵12

5, 鹵15

5, 鹵12

5, 鹵15

5, 鹵12

5, 鹵15

Outputs

mA

2500, 鹵500

2500, 鹵400

3000, 鹵625

3000, 鹵500

3000, 鹵625

3000, 鹵500

25-30 Watt Triple Series Block Diagram

SHIELDED

ISOLATION TRANSFORMERS

THERMAL SHUTDOWN

48T MODELS

ONLY

+ INPUT 1

SINGLE SECTION

A

6 +5

7 + 5 CMN

ANTI-PHASE

DUAL PWM

CONTROLLER

ISOLATION BARRIER

3 + 12/15

9 + 5 TRIM

- INPUT

2

DIFFERENTIAL

MODE

INPUT

FILTER

ON/OFF 8

12T AND 24T

MODELS

4

鹵 CMN

5 - 12/15

SHIELDED, LOW THERMAL GRADIENT COPPER CASE

DUAL SECTION

2401 Stanwell Drive 鈥?Concord, California 94520 鈥?Ph: 925/687-4411 or 800/542-3355 鈥?Fax: 925/687-3333 鈥?www.calex.com 鈥?Email: sales@calex.com

1

3/2001

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