Model: APA18T12 Series

Date: June 2004

SH 3 OF 17

Technical Reference Note

APA18T12 DC - DC Series

Preliminary

Electrical Specifications

The product shall comply with the requirements of this specification for all valid conditions of line input voltage,

load current, temperature and other environmental conditions, unless otherwise specified in this document.

Description

Fast-acting 20A maximum

External Input Capacitance

22uF/16V*3 Ceramic Cap.

External Output Capacitance

10uF Tantalum Cap. +1uF Ceramic

Cap.

+10Vdc to 14Vdc

Enable

Open

GND

Trim

Resistor Programming [See App A6]

+Vout

Output Pin connected to Load

200LFM/300LFM

-40ºC to 85ºC

NOTE: 1. Refer to Appendix A4 for typical application circuit.

2. The converter is not internally fused; Engineering needs to specify a fuse appropriate

to the package size of the converter.

3. Refer to Appendix A1 for correct airflow and module orientation &Appendix B for the

derating curves of different airflow.