AIC1525 Analog Intergrations Corporation, AIC1525 Datasheet

AIC1525

Manufacturer Part Number

AIC1525

Description

USB High-Side Power Switch

Manufacturer

Analog Intergrations Corporation

Datasheet

1.AIC1525.pdf (10 pages)

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Analog Integrations Corporation

DS-1525-00

4.50 V to 5.25V

Upstream VBUS

100mA max

FEATURES

APPLICATIONS

TYPICAL APPLICATION

CIRCUIT

www.analog.com.tw

USB Power Management.

70m

500mA Continuous Load Current per Channel.

75 A Typical On-State Supply Current.

1 A Typical Off-State Supply Current.

Current-Limit / Short Circuit Protection.

Thermal Shutdown Protection under Overcurrent

Condition.

Undervoltage Lockout Ensures that Switch is off at

Start Up.

Output can be Forced Higher than Input (Off-State).

Open-Drain Fault Flag.

Slow Turn ON and Fast Turn OFF.

Enable Active-High or Active-Low.

Hot Plug-In Power Supplies.

Battery-Charger Circuit.

VBUS

GND

D+

D-

(5V Input) High-Side MOSFET Switch.

May 16, 00

DATA

1 F

GND

OUT

VCC

5.0V

TEL: 886-3-5772500

33 F, 16V Tantalum, or

100 F, 10V Electrolytic

Bold line indicate high- current traces

10 F

33 F

OUT

VIN

One-Port Self-Powered Hub

OVERCURRENT

GND

10K

ON/OFF

4F, 9, Industry E. 9th Rd, Science Based Industrial Park, Hsinchu Taiwan, ROC

FAX: 886-3-5772510

USB High-Side Power Switch

CTL

FLG

GND

AIC1525

DESCRIPTION

The AIC1525 is an integrated high-side power

switch for self-powered and bus-powered Universal

Serial Bus (USB) applications. The high-side

switch is a MOSFET with 70m

meets USB voltage drop requirements for

maximum transmission wire length.

Multi-purpose

indicates over-current limiting, thermal shutdown,

or undervoltage lockout. Output current is typically

limited to 0.85A below the 5A safety requirement,

and thermal shutdown function shuts the switch

off to prevent damage under overcurrent condition.

Guaranteed

inrush current during hot plug-in, minimizing EMI

and preventing the voltage at upstream port from

dropping excessively.

OUT

0.1 F

minimum output rise time limits

open-drain

33 F

Ferrite

Bead

0.01 F

fault

DATA

AIC1525

DS(ON)

flag

VBUS

D+

D-

GND

, which

output

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