June 2011

Doc ID 17658 Rev 2

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15

STA533WF

18-volt, 3-amp, quad power half-bridge

Features

stage

Description

The STA533WF is a monolithic quad half-bridge

stage in multipower BCD technology. The device

can be used as a dual bridge or reconfigured, by

connecting pin CONFIG to pins VDD, as a single

bridge with double-current capability.

The device is designed for the output stage of a

stereo Full Flexible Amplifier (FFX™). It is

capable of delivering 10 W x 4 channels into 4-

Ω

single-ended configuration.

It can also deliver 20 W + 20 W into 8-

Ω loads

or, in single parallel BTL configuration, 40 W into

a 4-

The input pins have a threshold proportional to

the voltage on pin VL.

The STA533WF comes in a 36-pin PowerSSO

package with exposed pad down (EPD).

PowerSSO36 package

with exposed pad down

Table 1.

Device summary

Order code

Temperature range

Package

Packaging

STA533WF

0 to 70 °C

PowerSSO36 EPD

Tube

STA533WF13TR

0 to 70 °C

PowerSSO36 EPD

Tape and reel

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