Advanced Monolithic Systems, Inc.

www.advanced-monolithic.com

Phone (925) 443-0722

Fax (925) 443-0723

AMS682

VIN

C1+

C1-

C2+

C2-

GND

VIN

C1+

C1-

C2+

C2-

GND

GND

V

IN

NEGATIVE

SUPPLY

+

+

-

-

+

+

-

-

10

µF

10

µF

10

µF

10

µF

OUT

OUT

+

-

OUT

22

µF

Figure 5. Paralleling AMS682 for Lower Output Source Resistance

VIN

C1+

C1-

C2+

OUT

GND

+

10

µF

+

-

+

V

SS

V

IN

V

OUT

NEG. LDO

VOLTAGE

DETECT.

V

IN

V

OUT

V

SS

-

22

µF

+

OUT

-

10

µF

-

GROUND

-5 SUPPLY

+

-

1

µF

LOW BATTERY

3V

Figure 6. Negative Supply Derived from 3V Battery