UCS81003 datasheet(14/108 Pages) MICROCHIP

14 / 108 page

UCS81003

DS20005334A-page 14

 2014 Microchip Technology Inc.

2.0

TYPICAL PERFORMANCE

CURVES

Note: Unless otherwise indicated, VDD = VS = 5V, TJ = +27°C.

FIGURE 2-1:

USB-IF High-Speed Eye

Diagram (Without Data Switch).

FIGURE 2-2:

USB-IF High-Speed Eye

Diagram (With Data Switch).

FIGURE 2-3:

Short Applied After

Power-Up.

FIGURE 2-4:

Power-Up Into a Short.

FIGURE 2-5:

Internal Power Switch Short

Response.

FIGURE 2-6:

VBUS Discharge Behavior.

Note:

The graphs and tables provided following this note are a statistical summary based on a limited number of

samples and are provided for informational purposes only. The performance characteristics listed herein

are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified

operating range (e.g., outside specified power supply range) and therefore outside the warranted range.

-1

02468

Time (ms)

S = VDD = 5V

LIM = 3A max. (2.85A typical), short applied at 2 ms

ALERT #

BUS

010

VDD

ALERT# Pin

IBUS Current

Time (ms)

VS =VDD = 5V, short applied at 16 ms

-2

-1

020

-2

Time (µs)

S =VDD = 5V,

LIM = 2.05A (typical),

short applied at 17.2 µs

BUS

-1

100

200

300

400

500

Time (ms)

BUS

EM_EN

S = VDD = 5V

M2 = 0,

M1 = PWR_EN = 1

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