Product # PQ55530HEB08

Phone 1-888-567-9596

www.synqor.com

Doc.# 005-2HEB53P Rev. B

10/4/07

Page 2

T

pecification

Input:

Input:

Output:

Output:

Current:

Current:

ackage:

38-55 V

38-55 V

53 V

53 V

7.6 A

7.6 A

Half-brick

Half-brick

MECHANICAL

DIAGRAM

(base-plated)

0.50

(12.7)

Bottom side

Clearance

.030 +.028

(0.81 +.71)

0.145 typ.

(3.68)

See Note 6

Pin Farside

Typical

M3 Threaded

Standoff

4 Places

See Note 1

Top View

Side View

0.20

(5.1)

0.20

(5.1)

1.90

(48.3)

1.90

(48.3)

2.00

(50.8)

2.30

(58.4)

0.400

(10.16)

0.19

(4.8)

0.50

(12.6)

2.40

(61.0)

0.400

(10.16)

1.000

(25.40)

1.400

(35.56)

1.400

(35.56)

0.700

(17.78)

NOTES

1) M3 screws used to bolt unit’s baseplate to other surfaces (such

as heatsink) must not exceed 0.100” (2.54 mm) depth below

the surface of the baseplate.

2) Applied torque per screw should not exceed 6in-lb. (0.7 Nm)

3) Baseplate flatness tolerance is 0.004” (.10mm) TIR for surface

4) Pins 1, 2, 4, 6-8, are 0.040” (1.02mm) diameter with 0.080”

(2.03mm) diameter standoff shoulders

5) Pins 5, 9 are 0.080” (2.03mm) diameter shoulderless pins.

6) Other pin extension lengths available

7) All Pins: Material - Copper Alloy

Finish (RoHS 5/6) - Tin/Lead over Nickel plate

Finish (RoHS 6/6) - Matte Tin over Nickel plate

8) Undimensioned components are shown for visual reference only.

9) Weight: 4.3 oz. (123 g) typical

10) All dimensions in inches (mm)

Tolerances: x.xx +/-0.02 in. (x.x +/-0.5mm)

x.xxx +/-0.010 in. (x.xx +/-0.25mm)

11) Workmanship: Meets or exceeds IPC-A-610C Class II

12) For information regarding soldering and cleaning of base-plat-

ed units please refer to the “Base-Plate Soldering & Cleaning prod-

uct advisory” on our website’s Technical Documents page.

Load Board

Lowest

Component

Flanged Pin

See Note 12

Pin No. Name

Function

1

Vin(+)

Positive input voltage

2

ON/OFF

TTL input to turn converter

on and off, referenced to

Vin(-), with internal pull up.

4

Vin(-)

Negative input voltage

5

Vout(-)

Negative output voltage

6

SENSE(-)

Return remote sense

7

TRIM

Output voltage trim

8

SENSE(+)

Positive remote sense

9

Vout(+)

Positive output voltage

Notes:

1. SENSE(–) should be connected to Vout(–) either remotely or at the converter.

2. Leave TRIM pin open for nominal output voltage.

3. SENSE(+) should be connected to Vout(+) either remotely or at the converter.

PIN DESIGNATIONS