TL783_12 Datasheet, PDF (6/20 Pages) Texas Instruments – HIGH-VOLTAGE ADJUSTABLE REGULATOR

TL783
SLVS036M – SEPTEMBER 1981 – REVISED APRIL 2008 ............................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS (continued)
INPUT CURRENT AT ADJ
vs
VIRTUAL JUNCTION TEMPERATURE
90
V_I = 25 V
V_O = V_ref
I_O = 500 mA
88
DROPOUT VOLTAGE
vs
VIRTUAL JUNCTION TEMPERATURE
25
∆V_O = 100 mV
20
86
84
82
80
0
25
50
75
100
125
T_J − Virtual Junction Temperature − °C
Figure 9.
0
−0.1
OUTPUT VOLTAGE DEVIATION
vs
VIRTUAL JUNCTION TEMPERATURE
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.
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.
OUTPUT CURRENT⁽¹⁾
vs
INPUT VOLTAGE
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.
6
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