TL783_15 Datasheet, PDF (12/27 Pages) Texas Instruments – TL783 High-voltage Adjustable Regulator

TL783
SLVS036N – SEPTEMBER 1981 – REVISED JANUARY 2015
Application Information (continued)
V_I = 90 V
TL783
IN
OUT
ADJ
TL783
IN
OUT
ADJ
6.25 W
82 W
3.9 kW
48 V
Figure 19. 48-V 200-mA Float Charger
9.2 Typical Application
The TL783 is typically used as an adjustable regulator.
TL783
V_O
=
V_ref
æçè₁₊
R2 ö
R1 ^÷ø
V_I
1 mF
(see Note A)
IN
+
ADJ
OUT
R1
82 W
R2
0 to 8 kW
+
10 mF
A. Needed if device is more than 4 inches from filter capacitor
Figure 20. 1.25-V to 115-V Adjustable Regulator
9.2.1 Design Requirements
• Input and output decoupling capacitors for noise filtering.
• Resistor divider consisting of R1 and R2 to set the output voltage.
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