48S12.425HW - Calex Electronics Limited

5 Watt HW Single Series DC/DC Converters

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

1eco#: 030327-1, eco#: 031113-4, eco# 041007-1, 060406-2

5 Watt Single HW Series Block Diagram

Features

Up to 5 Watts in 1.25" x 0.80" x 0.40" case

Efficiencies to 84%

Isolation Voltage up to 1544 VDC

Water Washable Case Design

Overcurrent Protection for Long, Reliable Operation

Fully Self Contained,

No External Parts Required for Operation

Description

These 5 Watt DC/DC Converters were designed for fast

integration with your systems power needs. With no external

components or filtering necessary for all but the most critical

applications, these converters can provide power instantly.

This saves you costly engineering time required to design

your system around the power converter.

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

2eco#: 030327-1, eco#: 031113-4, eco# 041007-1, 060406-2

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5 Watt HW Single Series DC/DC Converters

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

3eco#: 030327-1, eco#: 031113-4, eco# 041007-1, 060406-2

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5 Watt HW Single Series DC/DC Converters

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

4eco#: 030327-1, eco#: 031113-4, eco# 041007-1, 060406-2

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Mechanical tolerances unless otherwise noted:

X.XX dimensions: ±0.020 inches

X.XXX dimensions: ±0.010 inches

Pin location shown is for the mating PCB

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NOTES:

(1) All parameters measured at Tc=25°C, nominal input voltage

and full rated load unless otherwise noted. Refer to the

CALEX Application Notes for the definition of terms.

(2) Output Noise is measured with a 1µF tantalum capacitor and a

0.01µF ceramic capacitor across the output. The fundamental

component of noise is at the switching frequency and also is

commonly referred to as ripple.

(3) External fusing should be used for system protection due to a

catastrophic failure. See CALEX Application Note 9 in the Calex

DC/DC Catalog to determine correct fuse.

(4) Load Transient Overshoot is the output voltage peak amplitude

referenced to the final value due to a step load change of 50-75%

occurring only on the measured output. “Load Transient

Overshoot” and “Dynamic Response” are the same specification.

Load Transient Recovery Time is the time for the output to return

to within specified voltage error band centered about the final

value. “Load Transient Recovery Time” and “ Transient Response”

are the same specification.

(5) Temperature coefficient is defined for case temperatures. Output

voltage deviation is calculated as the maximum resulting from

either 1) 25°C case to maximum operating case temperature, or

2) 25°C case to minimum operating case temperature.

(6) Below the minimum rated load, the output may exhibit noise

performance degradation. Operation with less than minimum

rated load will not damage the unit, and the DC regulation is not

significantly affected.

(7) The case thermal impedance is specified and the case

temperature rise over ambient per package watt dissipated.

(8) Case functional temperature range is intended to give an

additional data point for use is evaluating this power supply. At

the low functional temperature the power supply will function

with no side effects, however, sustained operation at the high

functional temperature will reduce expected operational life.

The data sheet specifications are not guaranteed over the

functional temperature range.

(9) Specifications subject to change without notice.

(10) Water Washability - Calex DC/DC converters are designed to

withstand most solder/wash processes. Careful attention should

be used when assessing the applicability in your specific

manufacturing process. Converters are not hermetically sealed.

Mechanical Outline and

Connector Pin Assignments

0.03

0.90

0.10

0.18

0.40

0.12 Min.

0.16 Max

SIDE VIEW

0.020Ø

10 11 12

15 1413

1.25

0.60

0.80

BOTTOM VIEW