UCC24612-2DBVT datasheet(2/38 Pages) TI2

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UCC24612

SLUSCM5A – AUGUST 2017 – REVISED FEBRUARY 2018

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Table of Contents

Features .................................................................. 1

Applications ........................................................... 1

Description ............................................................. 1

Revision History..................................................... 2

Pin Configuration and Functions ......................... 3

Specifications......................................................... 3

6.1

Absolute Maximum Ratings ...................................... 3

6.2

ESD Ratings ............................................................ 4

6.3

Recommended Operating Conditions ....................... 5

6.4

Thermal Information .................................................. 5

6.5

Electrical Characteristics........................................... 6

6.6

Timing Requirements ................................................ 7

6.7

Typical Characteristics .............................................. 8

Detailed Description ............................................ 10

7.1

Overview ................................................................. 10

7.2

Functional Block Diagram ....................................... 10

7.3

Feature Description................................................. 11

7.4

Device Functional Modes........................................ 22

Application and Implementation ........................ 23

8.1

Application Information............................................ 23

8.2

Typical Application ................................................. 23

Power Supply Recommendations ...................... 29

PCB Layout .......................................................... 31

10.1

Layout Guidelines ................................................. 31

10.2

Layout Example .................................................... 31

Device and Documentation Support ................. 32

11.1

Community Resources.......................................... 32

11.2

Trademarks ........................................................... 32

11.3

Electrostatic Discharge Caution ............................ 32

11.4

Glossary ................................................................ 32

Mechanical, Packaging, and Orderable

Information ........................................................... 32

4 Revision History

DATE

REVISION

NOTES

February 2018

Initial release.

Table 1. Device Comparison

ORDERABL

E PART

NUMBER

TURN ON PROPAGATION

DELAY

MINIMUM ON TIME

MAXIMUM SWITCHING

FREQUENCY

BEST SUITABLE

TOPOLOGIES

UCC24612-1

80 ns

375 ns

1 MHz

CCM/DCM/QR Flyback,

Active Clamp Flyback using

GaN MOSFET as primary-

side switch

UCC24612-2

170 ns

540 ns

800 kHz

LLC, Active Clamp Flyback

using Si MOSFET as

primary-side switch

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