SP2525 Ver la hoja de datos (PDF) - Signal Processing Technologies

Número de pieza

componentes Descripción

Fabricante

SP2525

+3.0V to +5.5V USB Power Control Switch

Signal Processing Technologies 

IN

USB

Controller

R1

100k

ENABLE

FLAG

1 EN

OUT 8

2 SP2525 IN 7

FLG

3 GND

OUT 6

4 NC

NC 5

AGND

Data

Control

SP5301

D+

D-

2 C1

1 0.1µF

AGND

Ferrite Bead

2

RL

CL

1

Ferrite Bead

AGND

AGND

VBUS

D+

D-

GND

USB

Port

Figure 2. Typical Application Circuit for the SP2525

IN

OSCILLATOR

CHARGE

PUMP

FOLDBACK

SHUTDOWN

EN

CURRENT

SENSE

OUT

AGND

UVLO

OVER-TEMP

REFERENCE

AND

TEMPERATURE

SENSING

LOGIC

FIGURE 3

Figure 3. Internal Block Diagram for the SP2525

OVER

CURRENT

FLAG

AGND

Rev. 8/21/01

SP2525 +3.0 to +5.5 Power Control Switch

6

© Copyright 2001 Sipex Corporation

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