UCC28220_15 datasheet(5/32 Pages) TI

Part #	UCC28220

Description	INTERLEAVED DUAL PWM CONTROLLER WITH PROGRAMMABLE MAX DUTY CYCLE

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Manufacturer	TI [Texas Instruments]

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UCC28220, UCC28221

SLUS544E − SEPTEMBER 2003 − REVISED MARCH 2009

5

www.ti.com

ELECTRICAL CHARACTERISTICS:

VDD = 12 V, 0.1-µF capacitor from VDD to GND, 0.1-µF capacitor from REF to GND, FOSC = 1 MHz, TA = −40°C to

105

°C, TA = TJ, (unless otherwise noted).

PARAMETER

TEST CONDITION

MIN

TYP

MAX

UNITS

Output Section (OUT1, OUT2)

Low level

IOUT = 10 mA

0.4

1

V

High level

IOUT = −10 mA, VREF – VOUT

0.4

1

V

Rise time

CLOAD = 50 pF

10

20

ns

Fall time

CLOAD = 50 pF

10

20

ns

LINE Sense section

LINEOV threshold

TA = 25°C

1.240

1.260

1.280

LINEOV threshold

TA =−40°C to 105°C

1.235

1.260

1.285

LINEUV threshold

TA = 25°C

1.240

1.260

1.280

V

LINEUV threshold

TA =−40°C to 105°C

1.235

1.260

1.285

V

LINEHYST pull up voltage

LINEOV = 2 V, LINEUV = 2 V

3.1

3.25

3.4

LINEHYST off leakage

LINEOV = 0 V, LINEUV = 2 V

−500

0

500

nA

LINEHYS pull-up resistance

I = −20

µA

100

500

Ω

LINEHYS pull-down resistance

I = 20

µA

100

500

Ω

LINEOV, LINEUV bias I

LINEOV = 1.25 V, LINEUV = 1.25 V

−500

500

nA

NOTES: (1). Ensured by design. Not 100% tested in production.

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