LX8385-xx/8385A-xx/8385B-xx

PRODUCT DA T ABOOK 1996/1997

Copyright © 1999

Rev. 2.0a 10/00

8

TYPICAL APPLICA TIONS

LX8385/85A/85B

OUT

IN

ADJ

150µF

V

IN

R2

365

Ω

1%

10µF

R1

121

Ω

1%

C1

10µF*

* C1 improves ripple rejection.

X

frequency.

V

OUT

5V

(Note A)

FIGURE 5 — 1.2V - 8V Adjustable Regulator

FIGURE 4 — Improving Ripple Rejection

LX8385/85A/85B

OUT

IN

ADJ

V

V

IN

R1

121

Ω

R2

1k

C1*

10µF

* Needed if device is far from filter capacitors.

** V

1 +

C2

100µF

R2

R1

(Note A)

FIGURE 6 — 5V Regulator With Shutdown

(Note A)

LX8385/85A/85B

OUT

IN

ADJ

5V

V

IN

121

Ω

1%

10µF

100µF

365

Ω

1%

1k

1k

2N3904

TTL

Output

Note A:

V

FIGURE 7 — Fixed 3.3V Output Regulator

LX8385/85A/85B-33

OUT

IN

GND

3.3V

V

IN

10µF Tantalum

or 100µF Aluminum

Min. 15µF Tantalum or

100µF Aluminum capacitor.

May be increased without

limit. ESR must be less

than 50m

Ω.

PRODUCTION DATA - Information contained in this document is proprietary to Linfinity, and is current as of publication date. This document

may not be modified in any way without the express written consent of Linfinity. Product processing does not necessarily include testing of

all parameters. Linfinity reserves the right to change the configuration and performance of the product and to discontinue product at any time.