Technical Reference Notes

APC18T12 Series

MODEL: APC18T12 SERIES

SHEET 1 OF 10

NOVEMBER 4, 2004 - REVISION 00

APC18T12 Series: 12Vin / 18A Non-Isolated Point-of-Load

The APC18 DC-DC Power Module is a high efficiency non-isolated buck converter designed for use in a wide variety of

applications. Packaged in an industry standard recognized SMT footprint: 1.3” x 0.53”, it works from a wide input voltage

range of 10V to 14V and offers a wide adjustable output range of 0.75V to 5.5V through external resistor programming.

Special Features

•

Industry Standard SMT Footprint

•

High Efficiency up to 95% at 5V output

•

Adjustable output through external resistor

programming

•

Low output ripple and noise

•

Input UVLO

•

Fixed Switching Frequency

•

Positive Enable

•

Remote Sense pin

Environmental Specifications

•

-40ºC to 85ºC Operating Temperature

•

-40ºC to 125ºC Storage Temperature

•

MTBF > 1 million hours

Electrical Parameters

Input

Input Range

10-14VDC

Input Surge

15V / 100ms

Control

Enable

TTL compatible

(Positive or Negative Logic Enable Options)

Output

Load Current

Up to 18A max (Po

≤ 75W)

Ripple and Noise

Output Voltage

Adjust Range

Transient Response

250mV Typ deviation

50% step

100

µs settling time (Typ)

Remote Sense

Over Current

120% max

Protection

Over Voltage

130% max

Protection

Over Temperature

110

°C

Protection

Safety

UL + cUL 60950, Recognized

EN60950 through TUV-PS