UL497

Preliminary

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

8 of 8

www.unisonic.com.tw

QW-R118-015.a

TYPICAL APPLICATION CIRCUIT

12

10

11

18

9

2

1µF

1µF

0.1µF

0.1µF

R7

62KΩ

7

4

5

6

HALL EFFECT

SENSOR

0.22µF

24V

R8

820Ω

R1

100Ω

20Ω

R4

R5

100Ω

24V

R6

56Ω

4.3KΩ

T1

5KΩ

R2

R3

350Ω

Q1

R10 200Ω

RC

10KΩ

R9

2KΩ

75mΩ

R11 100Ω

GND

BU931R

16

15

14

13

UTC

UL497

3

RPM

2.2nF

H+

Fig 2. APPLICATION CIRCUIT

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exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or

other parameters) listed in products specifications of any and all UTC products described or contained

herein. UTC products are not designed for use in life support appliances, devices or systems where

malfunction of these products can be reasonably expected to result in personal injury. Reproduction in

whole or in part is prohibited without the prior written consent of the copyright owner. The information

presented in this document does not form part of any quotation or contract, is believed to be accurate

and reliable and may be changed without notice.