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| LR8 Datasheet, PDF (4/16 Pages) Supertex, Inc – High Input Voltage Adjustable 3-Terminal Linear Regulator | |||
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LR8
2.0 PIN DESCRIPTION
The locations of the pins are listed in Package Type.
TABLE 2-1: PIN DESCRIPTION
Function
Description
VIN
VOUT
ADJ
Regulator input. 13.2 - 450V.
Regulator output.
Output voltage adjust
3.0 TYPICAL APPLICATION CIRCUITS
.
VIN
C1
*
VIN VOUT
ADJ
LR8
R2
VOUT
R1
C2
RLOAD
FIGURE 3-1:
* Required for conditions where VIN is less than VOUT.
Typical Application Circuit
*
VIN =
17 to 450V
C1
VIN VOUT
LR8 ADJ
R1
6.04kΩ
1%
R2
18.2kΩ
1%
VOUT = 5.0V
C2
1.0μF
RLOAD â¤16.5kΩ
* Required for conditions where VIN is less than VOUT
VOUT = 1.20V
1+
R2
R1
+ IADJ
FIGURE 3-2:
High-Input Voltage, 5.0V Output Linear Regulator
DS20005399A-page 4
ï£ 2015 Microchip Technology Inc.
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