April 05 REVISION 02

SHEET 1 OF 16

Technical Reference Note

Ultra Low Profile

AVC 20W Series

AVC 20W Ultra Low Profile DC – DC Module

(Pb-free reflow compatible and ROHS Compliant)

The AVC 20W series is Astec’s new Ultra Low Profile, 3.3Vin and 5Vin, SMT non-isolated single output modules with

only 6.0mm height. The series also comes with enhanced features such as Remote on/off (ON/OFF), Output voltage adjust,

and the protection of S/C and OTP.

Special Features

•

Ultra Low Profile – 6.0mm height

(with derating)

•

Low output ripple and noise

•

Pb-free reflow compatible and ROHS Compliant

Electrical Parameters

Input

Input range

2.96 – 3.63V for 3.3V, 4.5 – 5.5V for 5V

Efficiency

93% @3.3Vo

Control

Enable

ON: ON/OFF pin Open or connect to +Vin

OFF: ON/OFF pin connected to GND

Output

Ripple and Noise

50mVp-p (typ) for 5V

40mVp-p (typ) for 3.3V

Output Voltage Adjust

+/-10% of Vonom

Isolation

Non-isolated