Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140

AMS285/AMS385

TYPICAL APPLICATIONS (Continued)

Low AC Noise Reference

Current Source

25V Low Current Shunt Regulator

200mA Shunt Regulator

Voltage Level Detector

Voltage Level Detector

R3

360k

Ω

R2

120k

+

-

FB

AMS385

R1

100k

15V

V

OUT

10V

R4

33

C1

0.47

µF

C2

10

µF

+

R2

120k

R1

120k

+

-

FB

AMS385

R4

V+

V

OUT

2.5V

R3

1k

50

µA< I < 200 mA

2N2219

R1

+

AMS385

FB

R2

120k

-

2N2905

2N3964

1

µA< I < 100 mA

+15V

R1

1.24V

=

R2

2.4M

R1

120k

+

-

FB

AMS385

R3

V+

V

OUT

25V

2N5115

100

µA< I < 5 mA

R2

1M

R1

120k

+

-

FB

AMS385

R3

200

-5V

λ

< -12V

LED ON

D1

R2

1M

R1

120k

+

-

FB

AMS385

R3

330

-5V

λ

> -12V

LED ON

D1