2

UCC19411/2/3

UCC29411/2/3

UCC39411/2/3

DIL-8, SOIC-8 (TOP VIEW)

N or J Package, D Package

ABSOLUTE MAXIMUM RATINGS

VIN Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V to 10V

VGD Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V to 14V

SW Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V to 15V

Currents are positive into, negative out of the specific terminal.

Consult Packaging Section of the Databook for thermal limita-

tions and considerations of packages.

CT

GND

SW

RESB

1

2

3

4

8

7

6

5

VGD

VOUT

VIN

SD/FB

CONNECTION DIAGRAMS

UCC39411

UCC39412

UCC39413

UCC19411/2/3

UCC29411/2/3

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

MIN

TYP

MAX

UNITS

VIN Section

Minimum Start-up Voltage

0.8

1

.08

1

V

(Note 1)

0.9

1.1

1.2

1.4

V

Minimum Dropout Voltage

(Note 1)

0.5

0.7

V

Input Voltage Range

1.1

3.2

1.3

3.2

V

Quiescent Supply Current

(Note 2)

6

12

8

16

Supply Current at Shutdown

SD = GND

6

12

8

16

SW

VOUT

VGD

GND

1

2

3

4

8

7

6

5

SD/FB

VIN

RESB

CT

TSSOP-8 (TOP VIEW)

PW Package