TL783_15 Datasheet, PDF (7/27 Pages) Texas Instruments – TL783 High-voltage Adjustable Regulator

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Typical Characteristics (continued)
10²
V_I = 35 V
V_O = 10 V
10¹ I_O = 500 mA
T_J = 25°C
1
10^−1
10^−2
10^−3
10^−4
10¹
10²
10³
10⁴
10⁵
10⁶
10⁷
f − Frequency − (kHz)
Figure 7. Output Impedance
vs
Frequency
90
V_I = 25 V
V_O = V_ref
I_O = 500 mA
88
86
84
82
80
0
25
50
75
100
125
T_J − Virtual Junction Temperature − (°C)
Figure 9. Input Current at ADJ
vs
Virtual Junction Temperature
0
−0.1
V_I = 25 V
V_O = 5 V
I_O = 15 mA to 700 mA
−0.2
−0.3
−0.4
−0.5
0
25
50
75
100 125 150
T_J − Virtual Junction Temperature − (°C)
Figure 11. Output Voltage Deviation
vs
Virtual Junction Temperature
TL783
SLVS036N – SEPTEMBER 1981 – REVISED JANUARY 2015
1.30
1.29
V_I = 20 V
I_O = 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
T_J − Virtual Junction Temperature − (°C)
Figure 8. Reference Voltage
vs
Virtual Junction Temperature
25
DV_O = 100 mV
20
15
I_O = 700 mA
I_O = 600 mA
10
I_O = 500 mA
I_O = 250 mA
5
I_O = 100 mA
I_O = 15 mA
0
−75 −50 −25 0 25 50 75 100 125
T_J − Virtual Junction Temperature − (°C)
Figure 10. Dropout Voltage
vs
Virtual Junction Temperature
12
10
T_J = 0°C
8
T_J = 25°C
6
T_J = 125°C
4
2
0
0
25
50
75
100
125
V_I − Input Voltage − (V)
(1) This is the minimum current required to maintain voltage
regulation.
Figure 12. Output Current
vs
Input Voltage
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