SPX1585(2004) 데이터 시트보기 (PDF) - Signal Processing Technologies

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SPX1585
(Rev.:2004)

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

Signal Processing Technologies 

TYPICAL APPLICATIONS

SPX1585

VIN

IN

SPX1585

OUT

C1

ADJ

R1

LOAD

Fig. 4 5A Current output Regulator

VIN

IN SPX1585

OUT

VOUT

C1

ADJ

C2

R1

VOUT = VREF (1 + R2 ) + IADJ R2

R2

R1

Fig. 5 Typical Adjustable Regulator

(Note A)

VIN

+

10µF

IN

OUT

SPX1585

ADJ

5V

R1

121Ω

1%

VOUT

*C1 improves ripple rejection. Xc

should be ~ R 1 at ripple frequency.

R2

365Ω

1%

Note A: VIN(MIN)= (Intended VOUT) + (VDROPOUT (MAX))

150µF

+ 1C01µF*

Fig. 6 Improving Ripple Rejection

VIN

(Note A)

+

IN

OUT

SPX1585

ADJ

10µF

TTL

Input

1k

2N3904

1k

5V

121Ω

1%

+

100µF

365Ω

1%

Note A: VIN(MIN)= (Intended VOUT) + (VDROPOUT (MAX))

Fig.7 5V Regulator with Shutdown

Date: 04/29/04

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