RE46C105

Piezoelectric Horn Driver with Voltage Regulator and LED Driver

R&E International

Product Specification

A Subsidiary of Microchip Technology Inc.

Functional Block Diagram

Vdd

1

2

3

4

6

7

11

10

9

LBSET

LBSTRB

HRNEN

LEDE

LED

HORNB

HORNS

FEED

LBOUT

Bandgap

Reference

Output

Adjust

5

13

12

VDD

REGSEL

REGOUT

Clamp &

Shutdown

Circuit

1

VSS

14

REGEN

© 2009 Microchip Technology Inc.

DS22167A-page 4