UCC283-3, UCC283-5, UCC283-ADJ, UCC383-3, UCC383-5, UCC383-ADJ

LOW DROPOUT 3A LINEAR REGULATOR FAMILY

SLUS215B − OCTOBER 1998 − REVISED FEBRUARY 2004

2

POST OFFICE BOX 655303

AVAILABLE OPTIONS(1)

OUTPUT VOLTAGE (V)

PACKAGE DEVICES

TA

OUTPUT VOLTAGE (V)

TO−263−3(2)

TO−263−5(2)

TO−220−3

TO−220−5

TA

MIN

TYP

MAX

TD

T

3.22

3.3

3.58

UCC283TD−3

—

UCC283T−3

—

−40

°C to 85°C

4.875

5.00

5.125

UCC283TD−5

—

UCC283T−5

—

−40 C to 85 C

ADJ

—

UCC283TD−ADJ

—

UCC283T−ADJ

3.22

3.3

3.58

UCC383TD−3

—

UCC383T−3

—

0

°C to 70°C

4.875

5.00

5.125

UCC383TD−5

—

UCC383T−5

—

0 C to 70 C

ADJ

—

UCC383TD−ADJ

—

UCC383T−ADJ

1. For more package and ordering information, see the Package Option Addendum located at the end of this data sheet.

2. For 50 piece reel, add KTTT (e.g., UCC283TDKTTT−3); for 500 piece reel, add TR (e.g., UCC283TDTR−3).

functional block diagram

VOUT

ADJ*

GND

R1

V

PUMP

UVLO

THERMAL

SHUTDOWN

REVERSE VOLTAGE

SENSE

3% DUTY CYCLE

CURRENT LIMIT TIMER

0.65 V

4 A/ 7 A CURRENT

REFERENCE

VIN

SD/CT*

UCC283−ADJ

UCC283−3

UCC283−5

R2

R1

0

OPEN

82k

50k

150k

50k

*5 LEADED VERSION ONLY (ADJ)

1.25 V

CURRENT LIMIT

R2

+

+

UDG−98133