AM5888S 查看數據表（PDF） - Unspecified

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AM5888S

Motor Driver ICs - 5-channel BTL Driver for DVD player

Unspecified 

Power dissipation curve :

Pd (W)

2.0

1.5

1.0

AM5888S

Motor Driver ICs

25

50

75

100

125

*70mm×70mm×1.6mm glass epoxy board.

*De-rating is done at 13.6mW/℃ for operating above Ta=25℃

150 Ta(℃)

Operation notes

1) The built-in thermal shutdown circuit mutes the output current when the chip temperature reaches 175℃

(typ.). The hysteresis is set to 25℃ (typ.), so the circuit will start up again when the chip temperature falling

to 150℃ (typ.).

2) In case mute pin voltage is under 0.5V or NC, output current is muted (except for tray motor driver). Mute

pin voltage should be more than 2.0V for normal application.

3) Bias pin (pin 27) should be pulled up to more than 1.2V. In case the bias pin voltage is pulled down below

0.9V (typ.), the output current is muted.

4) Insert the bypass capacitor (~ 0.1uF ) between Vcc pin and GND pin as close as possible.

5) Heat dissipation fins are attached to the GND on the inside of the package. Make sure to connect them to the

external GND.

6) NC pins ( 20, 24 ) are reserved for internal test. Please keep them floating.

AMtek SEMICONDUCTORS

-6-

Oct 2005 V1.3

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