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OPA541

SBOS153B – SEPTEMBER 2000 – REVISED JANUARY 2016

OPA541 High Power Monolithic Operational Amplifier

1 Features

3 Description

The OPA541 device is a power-operational amplifier

1

•

Power Supplies to ±40 V

capable of operation from power supplies up to

•

Output Current to 10-A Peak

±40 V, and delivering continuous output currents up

•

Programmable Current Limit

to 5 A. Internal current-limit circuitry can be user-

programmed with a single external resistor, protecting

•

Industry-Standard Pinout

the amplifier and load from fault conditions. The

•

FET Input

OPA541 devices fabricated are using a proprietary

•

TO-3 and Low-Cost Power Plastic Packages

bipolar and FET process.

The OPA541 uses a single current-limit resistor to set

2 Applications

both

the

positive

and

negative

current

limits.

•

Motor Drivers

Applications currently using hybrid power amplifiers

requiring two current-limit resistors do need not to be

•

Servo Amplifiers

modified.

•

Synchro Excitation

The OPA541 is available in an 11-pin power plastic

•

Audio Amplifiers

package

and

an

industry-standard

8-pin

TO-3

•

Programmable Power Supplies

hermetic package. The power plastic pachage has a

copper-lead frame to maximize heat transfer. The

TO-3 package is isolated from all circuitry, allowing it

to be mounted directly to a heat sink without special

insulators.

Device Information(1)

PART NUMBER

PACKAGE

BODY SIZE (NOM)

OPA541

TO-220 (11)

10.70 mm × 20.02 mm

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

Simplified Schematic

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.