TL783_12 Datasheet, PDF (5/20 Pages) Texas Instruments – HIGH-VOLTAGE ADJUSTABLE REGULATOR

TL783
www.ti.com ............................................................................................................................................... SLVS036M – SEPTEMBER 1981 – REVISED APRIL 2008
TYPICAL CHARACTERISTICS (continued)
RIPPLE REJECTION
vs
OUTPUT CURRENT
100
80
ÎÎÎÎÎ ₆₀
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ₄₀
V_I(AV) = 25 V
∆V_I(PP) = 10 V
V_O = 10 V
ÎÎÎÎÎ _{f = 120 Hz}
ÎÎÎÎÎ 20 ^Co ^{= 0}
ÎÎÎÎÎ ^{TJ = 25°C}
0
0 100 200 300 400 500 600 700 800
I_O − Output Current − mA
Figure 5.
OUTPUT IMPEDANCE
vs
ÎÎÎÎ _FREQUENCY
ÎÎÎÎ 10²
V_I = 35 V
ÎÎÎÎ _{VO = 10 V}
ÎÎÎÎ 10¹ I_O = 500 mA
ÎÎÎÎ ^{TJ = 25°C}
1
10^−1
RIPPLE REJECTION
vs
FREQUENCY
100
90
80
70
60
50
ÎÎÎÎÎ ₄₀
ÎÎÎÎÎÎÎÎÎÎ _{30 VI(AV) = 25 V}
ÎÎÎÎÎ ²⁰
∆V_I(PP) = 10 V
V_O = 10 V
ÎÎÎÎÎ ₁₀ ^IO ^{= 500 mA}
ÎÎÎÎÎ ^{TJ = 25°C}
0
0.01
0.1
1
ÎÎÎÎ_Co ^{ÎÎÎÎÎÎÎÎ}_{= 0C}^{ÎÎÎÎÎÎÎÎo = 1ÎÎÎÎ0 µFÎÎÎÎ}
10
100
1000
f − Frequency − kHz
Figure 6.
ÎÎÎÎÎÎÎÎ _1.30
ÎÎÎÎÎÎÎÎ _1.29
REFERENCE VOLTAGE
vs
VIRTUAL JUNCTION TEMPERATURE
V_I = 20 V
I_O = 15 mA
1.28
1.27
1.26
10^−2
10^−3
10^−4
10¹
10²
10³
10⁴
10⁵
10⁶
10⁷
f − Frequency − kHz
Figure 7.
1.25
1.24
1.23
1.22
−75 −50 −25 0 25 50 75 100 125 150 175
T_J − Virtual Junction Temperature − °C
Figure 8.
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