MP39 Apex Microtechnology Corporation, MP39 Datasheet

MP39

Manufacturer Part Number

MP39

Description

Power Operational Amplifiers

Manufacturer

Apex Microtechnology Corporation

Datasheet

1.MP39.pdf (4 pages)

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Current page: 1 of 4
Download datasheet (93Kb)

M I C R O T E C H N O L O G Y

FEATURES

• HIGH INTERNAL DISSIPATION — 125 WATTS

• HIGH VOLTAGE, HIGH CURRENT — 100V, 10A

• HIGH SLEW RATE — 10V/µS

• 4 WIRE CURRENT LIMIT SENSING

• OPTIONAL BOOST VOLTAGE INPUTS

APPLICATIONS

• LINEAR AND ROTARY MOTOR DRIVES

• YOKE/MAGNETIC FIELD EXCITATION

• PROGRAMMABLE POWER SUPPLIES TO ±45V

• INDUSTRIAL AUDIO

• PACKAGE OPTION - DIP10 - DUAL-IN-LINE

DESCRIPTION

power operational ampliﬁ er constructed with surface mount

components on a thermally conductive but electrically

isolated substrate.

features and performance speciﬁ cations found in much more

expensive hybrid power ampliﬁ ers.

up to 125 watts and its power supply voltages can range up

to +/- 50 Volts (100V total). Optional boost voltage inputs

allow the small signal portion of the ampliﬁ er to operate at

higher supply voltages than the high current output stage.

The ampliﬁ er is then biased to achieve close linear swings to

the supply rails at high current for extra efﬁ cient operation.

External compensation tailors performance to the user needs.

A four-wire sense technique allows current limiting without

the need to consider internal or external mili-ohm parasitic

resistance in the output line. An Iq pin is available which can

be used to shut off the quiescent current in the output stage.

The output stage then operates class C and lowers quiescent

power dissipation. This is useful in applications where output

crossover distortion is not important.

EQUIVALENT SCHEMATIC

APEX MICROTECHNOLOGY CORPORATION • TELEPHONE (520) 690-8600 • FAX (520) 888-3329 • ORDERS (520) 690-8601 • EMAIL prodlit@apexmicrotech.com

The MP39 is a cost-effective high voltage MOSFET

While the cost is low the MP39 offers many of the same

The metal substrate allows the MP39 to dissipate power

H T T P : / / W W W . A P E X M I C R O T E C H . C O M

POWER OPERATIONAL AMPLIFIER

TYPICAL APPLICATION

MP39 allows driving ultra-sonic transducers via a resonant

circuit including the transducer and a matching transformer.

The load circuit appears resistive to the MP39.

EXTERNAL CONNECTIONS - MP39CL

PACKAGE: DIP10

MP39

The high power bandwidth and high voltage output of the

Gain

( 8 0 0 ) 5 4 6 - A P E X

OPEN FRAME PACKAGE (MP39CL)

ULTRA-SONIC AMPLIFIER

* SEE "BYPASSING" PARAGRAPH

470pF

220pF

100pF

COMPONENT SIDE VIEW

Phase Compensation

MP39

12-14

18-20

Ref: Application Note 25

( 8 0 0 ) 5 4 6 - 2 7 3 9

100

Short

15-17

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MP39 Summary of contents

Page 1

... While the cost is low the MP39 offers many of the same features and performance speciﬁ cations found in much more expensive hybrid power ampliﬁ ers. ...

... Rating applies if the output current alternates between both output transistors at a rate faster than 60 Hz. 4. The MP39 must be used with a heat sink or the quiescent power may drive the unit to junction temperatures higher than 175°C. CAUTION The MP39 is constructed from MOSFET transistors. ESD handling procedures must be observed. ...

Page 3

... OUTPUT VOLTAGE SWING BOOST +10V 1 BOOST OUTPUT CURRENT, I (A) O MP39 SOA 100 1mS 10mS 10 125 0 100 SUPPLY to OU DIFFERENTIAL TOUT S O POWER RESPONSE 100 470pF 220pF 10 100pF 1 1 ...

Page 4

... General Operating Considerations AN 11 Thermal Techniques AN 38 Loop Stability with Reactive Loads R L (pins S pins. MP39U REV. D OCTOBER 2002 © 2002 Apex Microtechnology Corp . ABSOLUTE MAXIMUM RATINGS SPECIFICATIONS pins should also be bypassed with a B and R are C C ...

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MP39 Apex Microtechnology Corporation, MP39 Datasheet

MP39

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MP39 Summary of contents

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