FAN6555 Ver la hoja de datos (PDF) - Fairchild Semiconductor

Número de pieza

componentes Descripción

Fabricante

FAN6555

2A DDR Bus Termination Regulator

Fairchild Semiconductor 

FAN6555

3.3V POWER

SUPPLY

V

A

VCCQ

SUPPLY

V

A

PRODUCT SPECIFICATION

ACTIVE

CLAMP

VDD

VCCQ FAN6555

EVAL

GND

VTT

CURRENT SOURCE/SINK

POWER SUPPLY

ITT

Figure 8. Test Circuit Setup

VTT VARIANCE WITH VDD@ITT (VCCQ 2.5V)

TESTED WITH EVAL PCB

1.29

ITT

2A SINKING

1A SINKING

1.28

0A SINKING

2A SOURCING

1.27

1A SOURCING

1.26

2.0

2.5

3.0

3.5

4.0

VDD (V)

Figure 9. VTT Performance for DDR Bus

8

REV. 1.1.3 8/4/03

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