PA93

PA93U

1

P r o d u c t I n n o v a t i o n F r o m

®

PA93

FEATURES

♦HIGHVOLTAGE—400V(±200V)

♦LOWQUIESCENTCURRENT—10mA

♦HIGHOUTPUTCURRENT—8A

♦PROGRAMMABLECURRENTLIMIT

APPLICATIONS

♦PIEZOELECTRICPOSITIONING

♦HIGHVOLTAGEINSTRUMENTATION

♦ELECTROSTATICTRANSDUCERS

♦PROGRAMMABLEPOWERSUPPLIESUP

TO390V

Q1

Q2

R1A

R1B

C1

R3

Q3

CC1

CC2

Q6

Q5

R5

R8

R9

Q15

R11

R12

Q16

Q12

Q8

R4

R7

Q4

ILIM

OUT

Q18

R15

Q13

Q11

–IN

+IN

R6

Q14A

Q14B

High Voltage Power Operational Amplifiers

PA93

P r o d u c t I n n o v a t i o n F r o m

DESCRIPTION

The PA93 is a high voltage, low quiescent current

MOSFEToperationalamplifierdesignedasalowcost

solutionfordrivingcontinuousoutputcurrentsupto8A

andpulsecurrentsupto14A.Thesafeoperatingarea

(SOA)hasnosecondbreakdownlimitationsandcan

beobservedforalltypeloadsbychoosinganappropri-

atecurrentlimitingresistor.TheMOSFEToutputstage

isbiasedABforlinearoperation.Externalcompensa-

tionprovidesflexibilityinchoosingbandwidthandslew

ratefortheapplication.ApexPrecisionPower’sPower

SIPpackageusesaminimumofboardspaceallowing

forhighdensitycircuitboards.ThePowerSIPpackage

iselectricallyisolated.

EQUIVALENT SCHEMATIC

Copyright © Cirrus Logic, Inc. 2010

(All Rights Reserved)

www.cirrus.com

MAR 2010

APEX − PA93UREVJ

1

2

3

4

5

6

7

8

9

10

–IN

+IN

+Vs

–Vs

TO LOAD

AND FEEDBACK

(See text.)

11

12

Rc

Cc

*

*

* Bypassing required.

EXTERNAL CONNECTIONS

PATENTED

12-pin SIP

PACKAGE

STYLE DP

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