FAN8729_NL datasheet(11/24 Pages) FAIRCHILD

Nome de Peças	FAN8729_NL

Descrição Electrónicos	Spindle4-CH Motor Drive IC

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Fabricante Electrônico	FAIRCHILD [Fairchild Semiconductor]

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FAN8729

11

Application Information

1. MUTE Function

• MUTE circuit turns BTL output ON/OFF.

• When MUTE terminal (pin42, pin43) is OPEN, or terminal voltage is

lower than 1V, BTL is disable.

• When MUTE terminal (pin42, pin43) is voltage is higher than 1.5V,

BTL output operates normally.

•Feature Table.

2. TSD Function

• TSD circuit intercepts all IC output to protect the IC against high

temperatures.

• When chip temperature rises above 165°C, BTL and spindle output is

disable.

• When chip temperature falls below 140°C, BTL and spindle output

operates normally.

• TSD has hysteresis of 25°C.

3. TSD Monitor Function

• TSD monitor circuit displays TSD status.

• When TSD is ON, pin18 is HIGH.

• When TSD is OFF, pin18 is LOW.

• Since output pin(PIN18) is open-collector, pull-up resistance should be

attached outside.

•Feature Table.

MUTE circuit voltage

MUTE status

Above 1.5V

OFF

Below 1V or Open

ON

TSD

Pin18

TSD On

High

TSD Off

Low

42

43

Output driver

Bias

Q0

SVCC

IREF

Hysteresis

R1

R2

R3

Ihys

20k

Q5

Q6

18

TSD

SVCC

VCC

R(external)

Nº de peça semelhante - FAN8729_NL

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Descrição semelhante - FAN8729_NL

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
Fairchild Semiconductor	FAN8727	567Kb / 24P	Spindle 4-CH Motor Drive IC
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Fairchild Semiconductor	KA3017	433Kb / 26P	Spindle 4-CH Motor Driver
Panasonic Semiconductor	AN8420FBP	1Mb / 27P	Spindle/Voice Coil Motor Drive IC
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FAN8729_NL Folha de dados(PDF) 11 Page - Fairchild Semiconductor

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Nº de peça semelhante - FAN8729_NL

Descrição semelhante - FAN8729_NL

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