TDA8939TH Просмотр технического описания (PDF) - Philips Electronics

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TDA8939TH

Zero dead time Class-D 7.5 A power comparator

Philips Electronics 

Philips Semiconductors

TDA8939

Zero dead time Class-D 7.5 A power comparator

[4] These packages are not suitable for wave soldering. On versions with the heatsink on the bottom side, the

solder cannot penetrate between the printed-circuit board and the heatsink. On versions with the heatsink

on the top side, the solder might be deposited on the heatsink surface.

[5] If wave soldering is considered, then the package must be placed at a 45° angle to the solder wave

direction. The package footprint must incorporate solder thieves downstream and at the side corners.

[6] Wave soldering is suitable for LQFP, QFP and TQFP packages with a pitch (e) larger than 0.8 mm; it is

definitely not suitable for packages with a pitch (e) equal to or smaller than 0.65 mm.

[7] Wave soldering is suitable for SSOP, TSSOP, VSO and VSOP packages with a pitch (e) equal to or larger

than 0.65 mm; it is definitely not suitable for packages with a pitch (e) equal to or smaller than 0.5 mm.

[8] Image sensor packages in principle should not be soldered. They are mounted in sockets or delivered

pre-mounted on flex foil. However, the image sensor package can be mounted by the client on a flex foil by

using a hot bar soldering process. The appropriate soldering profile can be provided on request.

[9] Hot bar soldering or manual soldering is suitable for PMFP packages.

9397 750 13023

Objective data sheet

Rev. 01 — 22 April 2004

© Koninklijke Philips Electronics N.V. 2004. All rights reserved.

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