Datasheet

TL783
HIGH-VOLTAGE ADJUSTABLE REGULATOR
SLVS036D – SEPTEMBER 1981 – REVISED AUGUST 1999
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 9
86
84
82
80
0255075
88
INPUT CURRENT AT ADJ
vs
VIRTUAL JUNCTION TEMPERATURE
90
100 125
T
J
– Virtual Junction Temperature – °C
V
I
= 25 V
V
O
= V
ref
I
O
= 500 mA
ADJ Input Current – µ
A
Figure 10
20
10
5
0
–75 –50 –25 0 25 50
Dropout Voltage – V
DROPOUT VOLTAGE
vs
VIRTUAL JUNCTION TEMPERATURE
75 100 125
25
15
T
J
– Virtual Junction Temperature – °C
∆V
O
= 100 mV
I
O
= 700 mA
I
O
= 600 mA
I
O
= 500 mA
I
O
= 250 mA
I
O
= 100 mA
I
O
= 15 mA
Figure 11
–0.2
–0.3
–0.4
–0.5
0 25 50 75 100 125 150
– Output Voltage Deviation – %
–0.1
0
OUTPUT VOLTAGE DEVIATION
vs
VIRTUAL JUNCTION TEMPERATURE
∆V
O
T
J
– Virtual Junction Temperature – °C
V
I
= 25 V
V
O
= 5 V
I
O
= 15 mA to 700 mA
Figure 12
6
4
2
0
0255075
– Output Current – mA
8
10
12
100 125
OUTPUT CURRENT
†
vs
INPUT VOLTAGE
I
O
V
I
– Input Voltage – V
T
C
= 25°C
T
C
= 125°C
T
C
= 0°C
†
This is the minimum current required to maintain voltage regulation.