Rev C

DCQA150 SERIES

Up to 150 Watts, Quarter-Brick DC/DC

Converters

11/14/2013

Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-

9797

website: www.wallindustries.com • e-mail: sales@wallindustries.com

Page 2 of 8

SPECIFICATIONS: DCQA150 SERIES

All specifications are based on 25°C, Nominal Input Voltage, and Full Load unless otherwise noted.

We reserve the right to change specifications based on technological advances.

SPECIFICATION

TEST CONDITIONS

Min

Typ

Max

Unit

INPUT SPECIFICATIONS

Input Voltage Range

12VDC nominal input models

8.5

12

22

VDC

24VDC nominal input models

16.5

24

36

48VDC nominal input models

33

48

75

Start-Up Voltage

12VDC nominal input models

9

VDC

24VDC nominal input models

18

48VDC nominal input models

36

Shutdown Voltage

12VDC nominal input models

7.3

7.7

8.1

VDC

24VDC nominal input models

15.5

15.9

16.3

48VDC nominal input models

31.6

32

32.5

Input Surge Voltage (1sec, max.)

12VDC nominal input models

30

VDC

24VDC nominal input models

50

48VDC nominal input models

100

Input Current

No Load

See Table

Input Filter (See Note 1)

Pi type

OUTPUT SPECIFICATIONS

Output Voltage

See Table

Voltage Accuracy

-1.0

+1.0

%

Line Regulation

Low line to high line at full load

-0.1

+0.1

%

Load Regulation

No load to full load

3.3V & 5V Output Models

-0.2

+0.2

%

Others

-0.1

+0.1

Voltage Adjustability

Maximum output deviation is inclusive of remote sense

-20

+10

%

Remote Sense (See Note 2)

% of Vo (nom)

10

%

Output Power

See Table

Output Current

See Table

Minimum Load

0

%

Maximum Capacitive Load

Minimum input and constant resistive load

See Table

Ripple & Noise (20MHz BW)

Measured with a 22µF/25V X7R MLCC

3.3V & 5V Output Models

75

mVp-p

Measured with a 22µF/25V X7R MLCC

12V & 15V Output Models

100

Measured with a 4.7µF/50V X7R MLCC

24V & 30V Output Models

200

Measured with a 2.2µF/100V X7R MLCC

48V Output Models

300

Transient Response Recovery Time

25% load step change

250

µs

Start-Up Time

Constant resistive load

Power Up

75

100

ms

Remote On/Off

75

100

Temperature Coefficient

-0.02

+0.02

%/°C

PROTECTION

Short Circuit Protection

Continuous, automatic recovery

Over Load Protection

% of rated Iout; hiccup mode

110

140

%

Over Voltage Protection

% of Vo (nom); hiccup mode

115

130

%

Over Temperature Protection

+110

°C

GENERAL SPECIFICATIONS

Efficiency

Nominal input voltage and full load

See Table

Switching Frequency

270

300

330

kHz

Isolation Voltage

1 minute (basic insulation)

Input to Output

2250

VDC

Input/Output to Base-plate

2250

VDC

Isolation Resistance

500VDC

1

GΩ

Isolation Capacitance

1500

pF

REMOTE ON/OFF (See Note 5)

Positive Logic (standard)

Referenced to –Input pin

DC/DC ON

Open or 3~12 VDC

VDC

DC/DC OFF

Short or 0~1.2VDC

Negative Logic (optional)

Referenced to –Input pin

DC/DC ON

Short or 0~1.2 VDC

VDC

DC/DC OFF

Open or 3~12VDC

Input Current of Remote Control Pin

Nominal Vin

-0.5

1

mA

Remote OFF State Input Current

Nominal Vin

3

mA