TL783 Datasheet, PDF (6/13 Pages) Texas Instruments – HIGH-VOLTAGE ADJUSTABLE REGULATOR

TL783
HIGH-VOLTAGE ADJUSTABLE REGULATOR
SLVS036E – SEPTEMBER 1981 – REVISED FEBRUARY 2000
TYPICAL CHARACTERISTICS^†
RIPPLE REJECTION
vs
OUTPUT CURRENT
100
80
60
ÎÎÎÎÎ ₄₀
VI(AV) = 25 V
∆VI(PP) = 10 V
ÎÎÎÎÎ _{VO = 10 V}
f = 120 Hz
ÎÎÎÎÎ _{20 Co = 0}
ÎÎÎÎÎ _{TJ = 25°C}
ÎÎÎÎÎ ⁰
0 100 200 300 400 500 600 700 800
IO – Output Current – mA
Figure 5
RIPPLE REJECTION
vs
FREQUENCY
100
90
80
70
ÎÎÎÎ ^{Co = 10 µF}
60
50
40
ÎÎÎÎÎ _{30 VI(AV) = 25 V}
ÎÎÎÎÎ ₂₀
∆VI(PP) = 10 V
VO = 10 V
ÎÎÎÎÎÎÎÎÎÎ ₁₀
IO = 500 mA
TJ = 25°C
ÎÎÎÎÎ ⁰
ÎÎÎÎ ^{Co = 0}
0.01
0.1
1
10
100
1000
f – Frequency – kHz
Figure 6
OUTPUT IMPEDANCE
vs
102
ÎÎÎÎ VI = 35 V
ÎÎÎÎ ₁₀₁
VO = 10 V
IO = 500 mA
ÎÎÎÎ ^{TJ = 25°C}
ÎÎÎÎ ₁
FREQUENCY
10–1
10–2
10–3
10–4
101
102 103 104
105 106
107
f – Frequency – kHz
Figure 7
REFERENCE VOLTAGE
vs
VIRTUAL JUNCTION TEMPERATURE
1.30
ÎÎÎÎÎÎÎÎ _1.29
VI = 20 V
IO = 15 mA
1.28
1.27
1.26
1.25
1.24
1.23
1.22
–75 –50 –25 0 25 50 75 100 125 150 175
TJ – Virtual Junction Temperature – °C
Figure 8
† _{Data at high and low temperatures are applicable only within the recommended operating free-air temperature ranges of the various devices.}
6
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265