LR8

DS20005399A-page 4

 2015 Microchip Technology Inc.

2.0

PIN DESCRIPTION

The locations of the pins are listed in Package Type.

3.0

TYPICAL APPLICATION CIRCUITS

.

FIGURE 3-1:

Typical Application Circuit

FIGURE 3-2:

High-Input Voltage, 5.0V Output Linear Regulator

TABLE 2-1:

PIN DESCRIPTION

Function

Description

VIN

Regulator input. 13.2 - 450V.

VOUT

Regulator output.

ADJ

Output voltage adjust

LR8

V

IN

*

* Required for conditions where V

R

1

R

2

C

2

C

1

R

LOAD

V

OUT

VOUT

ADJ

VIN

V

17 to 450V

*

R

1

6.04kΩ

1%

C

2

1.0μF

C

1

R

V

R

2

18.2kΩ

1%

* Required for conditions where V

V

1+

R

2

+ I

ADJ

R

1

LR8

VOUT

ADJ

VIN