5

UCC24612

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SLUSCM5A – AUGUST 2017 – REVISED FEBRUARY 2018

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6.3 Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)

MIN

NOM

MAX

UNIT

VVDD

VDD input voltage

4

28

V

CVDD

VDD bypass capacitor

1

µF

CREG

REG bypass capacitor

1.5

2.2

µF

TJ

Junction temperature

–40

125

°C

fS_MAX

Maximum switching frequency UCC24612-1

770

1000

kHz

Maximum switching frequency UCC24612-2

625

800

(1)

For more information about traditional and new thermal metrics, see the the Semiconductor and IC Package Thermal Metrics application

report, SPRA953.

6.4 Thermal Information

THERMAL METRIC(1)

UCC24612

UNIT

DBV (SOT23-5)

5 PINs

RθJA

Junction-to-ambient thermal resistance

206.6

°C/W

RθJC(top)

Junction-to-case (top) thermal resistance

97.6

°C/W

RθJB

Junction-to-board thermal resistance

44.2

°C/W

ψJT

Junction-to-top characterization parameter

9.9

°C/W

ψJB

Junction-to-board characterization parameter

43.7

°C/W