3

Product: www.cdpoweronline.com

VKA150MS

Rev C

1/2003

1.000

[25.40]

1.400

[35.56]

2.000

[50.80]

0.19 [4.8]

0.20 [5.1]

0.50 [12.7]

0.40 [10.16]

0.530 MAX

[13.46]

0.20 [5.1]

.040 [1.02] DIA.

7 PLACES

.081 [2.06] DIA.

2 PLACES

1.400

[35.56]

1.000

[25.40]

0.700

[17.78]

.400 [10.16]

1.900

[48.26]

2.28

[57.91]

MAX

MOUNTING INSERTS M3 X 0.5 THRU, 4 PLACES

MAX. TORQUE, 8 IN/LBS

2.40

[61.0]

MAX

MECHANICAL

NOTES:

All dimensions are in inches (millimeters).

PIN PLACEMENT TOLERANCE: ± 0.005"

MECHANICAL TOLERANCE: ± 0.015"

Marked with: specific modeL ordered, date code, job code.

MATERIAL: Units are encapsulated in a low thermal

resistance molding compound which has excellent chemical

resistance and electrical properties in high humidity

environments and over a wide operating temperature range.

The encapsulant and outer shell of the unit have UL94V-0

ratings. Lead material is solder plated to allow ease of

solderability.

VKA150MS

Special attention should be given to the peak voltage

deviation during a dynamic load step when trimming

the output above the original set point to avoid

tripping the overvoltage protection circuit. Should an

OVP condition occur, the converter will go into a

latch condition and must be externally reset before it

will return to normal operation.

OUTPUT ADJUST VOLTAGE

OVP NOTE

This feature allows the user to accurately adjust the

module's output voltage set point to a specified level.

This is achieved by connecting a resistor or potentiometer

from the TRIM terminal to either the +Vout terminal (for

increased Vout) or the -Vout terminal (for decreased

Vout). The formulae below describe the trim resistor

value to obtain a Vout change of

voltage prior to adjustment (3.3V, 5V, 12V, 15V, or 24V).

Radj - up =

(

Vo(100 +

1.225

Radj - down =