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TL783C_07 Datasheet, PDF (7/15 Pages) Texas Instruments – HIGH-VOLTAGE ADJUSTABLE REGULATOR | |||
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TL783C, TL783Y
HIGH-VOLTAGE ADJUSTABLE REGULATOR
SLVS036C â SEPTEMBER 1981 â REVISED APRIL 1997
TYPICAL CHARACTERISTICS
RIPPLE REJECTION
vs
OUTPUT CURRENT
100
80
60
ÃÃÃÃÃ 40 VI(AV) = 25 V
âVI(PP) = 10 V
ÃÃÃÃÃ VO = 10 V
f = 120 Hz
ÃÃÃÃÃ 20 Co = 0
ÃÃÃÃà TJ = 25°C
ÃÃÃÃÃ 0
0 100 200 300 400 500 600 700 800
IO â Output Current â mA
Figure 7
RIPPLE REJECTION
vs
FREQUENCY
100
90
80
70
ÃÃÃà Co = 10 µF
60
50
40
ÃÃÃÃÃ 30
VI(AV) = 25 V
ÃÃÃÃÃ 20 âVI(PP) = 10 V
ÃÃÃÃÃ VO = 10 V
10 IO = 500 mA
ÃÃÃÃÃÃÃÃÃà 0 TJ = 25°C
ÃÃÃÃCoÃÃ=0 ÃÃ
0.01
0.1
1
10
100
1000
f â Frequency â kHz
Figure 8
OUTPUT IMPEDANCE
vs
102
ÃÃÃÃÃ VI = 35 V
ÃÃÃÃÃ 101
VO = 10 V
IO = 500 mA
ÃÃÃÃÃÃÃÃÃà TJ = 25°C
FREQUENCY
1
10â1
10â2
10â3
10â4
101
102 103 104
105 106
107
f â Frequency â kHz
Figure 9
REFERENCE VOLTAGE
vs
VIRTUAL JUNCTION TEMPERATURE
1.30
ÃÃÃÃÃÃÃÃÃÃÃÃ 1.29
VI = 20 V
IO = 15 mA
1.28
1.27
1.26
1.25
1.24
1.23
1.22
â75 â50 â25 0 25 50 75 100 125 150 175
TJ â Virtual Junction Temperature â °C
Figure 10
⢠POST OFFICE BOX 655303 DALLAS, TEXAS 75265
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