Datasheet

     
    

SLUS215B − OCTOBER 1998 − REVISED FEBRUARY 2004
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
AVAILABLE OPTIONS
(1)
OUTPUT VOLTAGE (V)
PACKAGE DEVICES
T
A
OUTPUT VOLTAGE (V)
TO−263−3
(2)
TO−263−5
(2)
TO−220−3 TO−220−5
T
A
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