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Input

Input Voltage

90-264 VAC 

Input Frequency

47-63 Hz

Power Factor

0.99 typical

Inrush Current

70 A Peak at 230 VAC

Input Current

10 A at 90 VAC

Leakage Current

<3.5 mA

Remote On/Off

On = TTL Logic HIGH, or open circuit

Off = TTL Logic LOW or short circuit

Output

Output Voltage

3.3 VDC to 54 VDC

Output Power

See Table

Output Voltage

±5%

Adjustment 

Minimum Load

No minimum load required

Line Regulation

±0.5% from low line to high line

Load Regulation

±1%

Ripple & Noise

50mV (Vo<=5V), 1% (Vo>=12V)

Transient Response

5% max deviation, 2.5 ms recovery

time to within 1% for a 50% load 

change

Hold up Time

20ms minimum at 120 VAC 

and 80% load

Turn On Time

1 second max at 120 VAC

Overvoltage 

130% recycle input to reset

Protection

Overcurrent

110% to 135% with auto recovery

Protection

Overtemperature

>85°C ambient with auto recovery 

Protection

measured internally

Remote Sense

Compensates for up to 0.5 V drop

General

Efficiency

70% minimum at 230 VAC, 65% min

for Vo <=5V

Power Density

6.16 W/in

3

MTBF

100,000 hrs per MIL-HDBK-217F

Isolation Voltage

3000 VAC Input to Output

1500 VAC Input to Ground

500 VAC Output to Ground

Signals

Green LED for Power On

DC OK TTL HIGH within 100-500 ms

LOW at least 1 ms before loss 

of regulation

Size

9.17” x 4.25” x 2.50”

Weight

0.5 Ib (1.1 kg) approx

Environmental

Operating

0°C to +70°C derate linearly from 

Temperature

100% load at +50 °C to 50% load 

at +70°C

Cooling

Via internal fan

Relative Humidity

5% to 90%, non-condensing

Storage 

• 

-20 °C to +85°C

Temperature

EMC & Safety 

Safety Approvals

UL1950, CSA C22.2 No 950

EN60950, CE Mark LVD

EMI/EMC

Meets EN61000-3-2, -3

FCC Part 15 and CISPR 22 Class B 

conducted

600 Watts

SMQ600 Series

AC/DC U-Channel

Specification

High Power Density

High Peak Load Rating  

Active PFC

Universal Input

Single Outputs from 3.3 V to 54 V

International Safety Approvals

I

ntelligent Design 

Q

uality Product

XPiQ inc.

PH: 508 429.9883

FAX: 800 226.2100

Email: sales@xpiq.com

Holliston, MA 01746  USA

www.

XPiQ

.com

SMQ600.qxd  15/5/03  11:13 am  Page 1

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Mechanical Details

Maximum

Output Output 

Current

Ripple

Model

Power

Voltage

Maximum

Peak

(1)

& Noise

(3)

Number

396 W

3.3 V

120.00 A

180.00 A

50 mV

SMQ600PS03-C

500 W

5.0 V

100.00 A

160.00 A

50 mV

SMQ600PS05-C

600 W

12.0 V

50.00 A

75.00 A

120 mV

SMQ600PS12-C

600 W

15.0 V

40.00 A

56.00 A

150 mV

SMQ600PS15-C

600 W

18.0 V

33.33 A

54.00 A

180 mV

SMQ600PS18-C

600 W

24.0 V

25.00 A

40.00 A

240 mV

SMQ600PS24-C

600 W

27.0 V

22.20 A 

40.00 A

270 mV

SMQ600PS27-C

600 W

48.0 V

12.50 A

18.80 A

480 mV

SMQ600PS48-C

600 W

54.0 V

11.10 A

18.80 A

540 mV

SMQ600PS54-C

OUTPUT VOLTAGE & CURRENT RATINGS

SMQ600

CN4 (Signals)

Pin

Function

1

ON/OFF

2

DC OK

3

RTN

CN5 (Remote Sense)

Pin

Function

1

+  RS

2

-  RS

Rev 1.0

NOTES:

1. Dimensions in inches (mm).

2. Remote ON/OFF CN4 mates with JST XHP-3 or equivalent

3. Fan Connector CN3 is wired in parallel to the internal fan. No auxilary output is available.

4. Remote sense CN5 mates with JST XHP-2 or equivalent.

5. Weight: 0.5 Ib (1.1 kg) approx.

1. Standard models have foldback mode current protection with a high peak load capability. This peak can be taken for 1 ms only. 

2. For optional constant current versions, add suffix ‘B’ to model number (current limit range is 95-105% of max output current). 

Not available on 3.3 V and 5 V models.

3. Ripple and noise measured using 0.1 µF ceramic and 22 µF electrolytic capacitor, 20 MHz bandwidth.

4. Part numbers in bold are stocking models. Others are build to order.

5. Other output voltages are available, contact factory for details.

Notes

PH: 508 429.9883

FAX: 800 226.2100

Email: sales@xpiq.com

Holliston, MA 01746  USA

www.

XPiQ

.com

SMQ600.qxd  15/5/03  11:13 am  Page 2