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Note:Toggleflip-flopusedonlyinUCC28C41,UCC28C44,andUCC28C45.

UCC28C4x-EP

BiCMOS LOW-POWER CURRENT-MODE PWM CONTROLLERS

SGLS352B – DECEMBER 2006 – REVISED MAY 2007

AVAILABLE OPTIONS

SOIC-8

MAXIMUM

UVLO

TA

SMALL OUTLINE

DUTY CYCLE

ON/OFF

(D)(1)

14.5 V/9 V

UCC28C42MDREP(2)

100%

8.4 V/7.6 V

UCC28C43MDREP

7 V/6.6 V

UCC28C40MDREP(2)

–55

°C to 125°C

14.5 V/9 V

UCC28C44MDREP(2)

50%

8.4 V/7.6 V

UCC28C45MDREP

7 V/6.6 V

UCC28C41MDREP(2)

(1)

D (SOIC-8) packages are available taped and reeled. Add R suffix to device type (e.g., UCC28C42DREP) to order quantities of 2500

devices per reel. Tube quantities are 75 for D packages (SOIC-8).

(2)

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FUNCTIONAL BLOCK DIAGRAM

2

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