SPX1585AT-L datasheet(5/7 Pages) SIPEX

Part #	SPX1585AT-L

Description	5A Low Dropout Voltage Regulator Adjustable & Fixed Output, Fast Response

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Manufacturer	SIPEX [Sipex Corporation]

Direct Link	http://www.sipex.com

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5 / 7 page

Date: 04/29/04

SPX1585

TYPICAL APPLICATIONS

IN

OUT

ADJ

SPX1585

C

1

R

1

V

OUT

Fig. 5 Typical Adjustable Regulator

V

IN

LOAD

ADJ

SPX1585

Fig. 4 5A Current output Regulator

V

IN

C

1

OUT

IN

R

2

C

2

V

OUT = VREF (1 + R2 ) + IADJ R2

R

1

R

1

Note A: V

IN(MIN)= (Intended VOUT) + (VDROPOUT (MAX))

SPX1585

Fig. 6

Improving Ripple Rejection

V

IN

R

1

R

2

150µF

10µF*

121Ω

1%

365Ω

1%

+

10µF

C

1

*C

1 improves ripple rejection. Xc

should be ~ R

1 at ripple frequency.

5V

ADJ

IN

OUT

(Note A)

V

OUT

SPX1585

Fig.7 5V Regulator with Shutdown

V

IN

100µF

121Ω

1%

365Ω

1%

+

10µF

5V

ADJ

IN

OUT

(Note A)

1k

TTL

Input

2N3904

Note A: V

IN(MIN)= (Intended VOUT) + (VDROPOUT (MAX))

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SPX1585AT-L Datasheet(PDF) 5 Page - Sipex Corporation

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