Datasheet

TL783
HIGH-VOLTAGE ADJUSTABLE REGULATOR
SLVS036D – SEPTEMBER 1981 – REVISED AUGUST 1999
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
†
Figure 5
0 100 200 300 400 500 600 700 800
Ripple Rejection – dB
I
O
– Output Current – mA
RIPPLE REJECTION
vs
OUTPUT CURRENT
100
80
60
40
20
0
V
I(AV)
= 25 V
∆V
I(PP)
= 10 V
V
O
= 10 V
f = 120 Hz
C
o
= 0
T
J
= 25°C
Figure 6
100
0.01
90
80
70
60
50
40
30
20
10
0
0.1 1 10 100 1000
C
o
= 10 µF
Ripple Rejection – dB
f – Frequency – kHz
RIPPLE REJECTION
vs
FREQUENCY
C
o
= 0
V
I(AV)
= 25 V
∆V
I(PP)
= 10 V
V
O
= 10 V
I
O
= 500 mA
T
J
= 25°C
Figure 7
1
f – Frequency – kHz
V
I
= 35 V
V
O
= 10 V
I
O
= 500 mA
T
J
= 25°C
10
1
10
2
10
3
10
4
10
5
10
6
10
7
10
–1
10
–2
10
–3
10
–4
10
1
10
2
OUTPUT IMPEDANCE
vs
FREQUENCY
– Output Impedance – ΩZ
o
Figure 8
1.30
1.29
1.28
1.27
1.26
1.25
1.24
1.23
1.22
–75 –50 –25 0 25 50 75 100 125 150
– Reference Voltage – V
T
J
– Virtual Junction Temperature – °C
REFERENCE VOLTAGE
vs
VIRTUAL JUNCTION TEMPERATURE
V
I
= 20 V
I
O
= 15 mA
V
ref
175
†
Data at high and low temperatures are applicable only within the recommended operating free-air temperature ranges of the various devices.