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

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

CMCG Series

30 Watt Single Output

2:1 Input Voltage Range

Chassis Mount DC/DC Converter

Rev. B

FEATURES

● Soft Start

● Lead-Free Design

● Output Trim Function

● I/O Isolation 1500VDC

● Remote On/Off Control (Optional)

● Call Factory for More Output Power Options

● EMI Complies with RN55022 Class A (Only for CMCG-A Series)

● Chassis Mount Options: Open Frame, U Channel, and Enclosed Types Available

SPECIFICATIONS: CMCG Series

We reserve the right to change specifications based on technological advances

SPECIFICATION

TEST CONDITIONS

Min

Nom

Max

Unit

Input Voltage Range

24V input models

48V input models

18

36

24

48

36

75

VDC

Start Voltage

24V input models

48V input models

17

34

17.5

35

18

36

VDC

Under Voltage Shutdown

24V input models

48V input models

16

32

16.5

33

17

34

VDC

Over Voltage Shutdown

24V input models

48V input models

40

80

42

82

44

84

VDC

Input Surge Voltage (1000ms)

24V input models

48V input models

-0.7

-0.7

50

100

VDC

Reverse Polarity Input Current

All models

2

A

Reflected Ripple Current

See Table

Short Circuit Input Power

All models

4500

mW

Output Voltage Range

See Table

Output Voltage Accuracy

±0.5

±1.0

%

Output Voltage Trim

% of nominal output voltage

±9.0

±10.0

±11.0

%

Load Regulation (2.5V, 3.3V, and 5Vout)

Io = No Load to 100% Load

±0.5

±1.0

%

Load Regulation (12V and 15Vout)

Io = 10% to 100% Load

±0.5

±1.0

%

Line Regulation

Vin = Min to Max

±0.1

±0.3

%

Output Power

30

W

Output Current Range

See Table

Ripple & Noise (20MHz)

75

100

Ripple & Noise (20MHz)

Over Line, Load, and Temperature

120

Ripple & Noise (20MHz)

10

mVrms

Transient Recovery Time

25% Load Step Change

200

500

μs

Transient Response Deviation

25% Load Step Change

±2

±5

%

Maximum Capacitive Load

See Table

REMOTE ON/OFF CONTROL

Supply On

2.5 to 100VDC or Open Circuit

Supply Off

-1

1

VDC

Device Standby Input Current

2

5

mA

Control Input Current

ON

OFF

5

-100

μA

Control Common

Referenced to Negative Input

PROTECTION

Over Power Protection

110

160

%

Short Circuit Protection

Continuous

Over Voltage Protection

See table

GENERAL

Efficiency

See Table

Switching Frequency

280

350

400

KHz

Isolation Voltage Rated

60 seconds

1500

VDC

Isolation Voltage Test

Flash Tested for 1 second

1650

VDC

Isolation Resistance

500VDC

1000

MΩ

Isolation Capacitance

100KHz, 1V

1200

1500

pF

Internal Power Dissipation

5500

mW

ENVIRONMENTAL

Operating Temperature

Ambient

Case

-40

-40

+50

+105

°C

Storage Temperature

-55

+125

°C

Lead Temperature

1.5mm from case for 10 seconds

260

°C

Humidity

95

%

Temperature Coefficient

±0.01

±0.02

%/°C

Cooling

Free air convection

RFI

Six-sided shielded metal case

MTBF

MIL-HDBK-217F @ 25°C, Ground Benign

600,000 Hours

Conducted EMI

EN55022 Class A

PHYSICAL

Weight

Approximately 7oz

Dimensions

4.00(L) x 2.25(W) x 0.81(H) inches