Datasheet

UCC284–5, UCC284–12, UCC284–ADJ, UCC384–5, UCC384–12, UCC384–ADJ
LOW-DROPOUT 0.5-A NEGATIVE LINEAR REGULATOR
SLUS234D – JANUARY 2000 – REVISED FEBRUARY 2002
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION INFORMATION
short-circuit protection (continued)
Figure 2
I
OUT
= 0.1 A
I
OUT
= 0.2 A
I
OUT
= 0.3 A
I
OUT
= 0.4 A
I
OUT
= 0.5 A
3
0.00
6 9 12 1
5
0.05
0.10
0.15
0.20
0.25
0.30
V
OUT
– Output Voltage – V
(V
IN
–V
OUT
) – Dropout Voltage – V
DROPOUT VOLTAGE
vs
OUTPUT VOLTAGE
Figure 3
V
OUT
= –15 V
V
OUT
= –12 V
V
OUT
= –5 V
0.05
0.05
0.15
0.10
0.25 0.35 0.45
0.15
0.20
0.25
I
OUT
– Load Current – A
DROPOUT VOLTAGE
vs
LOAD CURRENT
(V
IN
–V
OUT
) – Dropout Voltage – V
V
OUT
= –3.3 V
Figure 4
DROPOUT VOLTAGE
vs
TEMPERATURE
(V
IN
–V
OUT
) – Dropout Voltage – V
V
OUT
= –3.3 V
V
OUT
= –5 V
V
OUT
= –15 V
V
OUT
= –12 V
–50 –25 0 50 7525 100
0.05
0.10
0
0.20
0.25
0.15
0.35
0.40
0.30
T
A
– Free-Air Temperature – _C