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Part Name :

BA5973FP View Datasheet(PDF) - ROHM Semiconductor

Part NameBA5973FP ROHM
ROHM Semiconductor ROHM
Description3-channel BTL driver for CD, CD-ROM, DVD, and DVD-ROM
BA5973FP Datasheet PDF : 7 Pages
1 2 3 4 5 6 7
Optical disc ICs
FOperation notes
(1) The BA5973FP contains a thermal shutdown cir-
cuit.
When the chip temperature reaches 175_C (Typ.), the
output current is muted. If the chip temperature then
drops below 150_C (Typ.), then the driver circuits start
up.
BA5973FP
(2) Connect a bypass capacitor (approx. 0.1µF) be-
tween the bases of the power supply pins of this IC.
(3) Be sure to connect the radiation fins to an external
ground.
FElectrical characteristic curves
706
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The BA5973FP is a 3-channel BTL driver developed for use as the actuator and loading motor driver for CD and DVD players. Since the gain and frequency characteristics for the actuator can be set to any desired value with external components, it is can be used in a wide range of applications.

● Features
1) 3-channel BTL driver for CD players.
2) The HSOP-28 package allows for the design of smaller sets.
3) Internal thermal shutdown circuit with hysteresis.

〈Actuator driver〉
4) Gain is adjustable with external resistor.
5) Contains both positive and negative input systems
   for compatibility with a variety of input formats such
   as reverse phase input.

〈Loading driver〉
6) Internal brake function.
7) Internal back-rush voltage protection diode.

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