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PDF BA3935 Data sheet ( Hoja de datos )
| Número de pieza | BA3935 | |
| Descripción | Reference voltage power supply | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de BA3935 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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Regulator ICs
Reference voltage power supply
BA3935
The BA3935 is a monolithic reference voltage power supply IC for use in CD radio cassette players.
FApplications
CD radio cassette players, mini-component stereo audio systems
FFeatures
1) With 9V output for audio power supply, 5V output for
microcontrollers, 5V output for radio, 5 and 7.5V out-
puts for CD players, 9.5V output for motor drivers, the
IC is best suited for CD radio cassette players.
2) Precise power supply (5V ± 0.1V) can be obtained by
using external reference voltage input (only AUDIO
output has an internal reference voltage system).
FBlock diagram
3) Zero standby current. (Type.)
4) Output current limit circuit protects the IC against
short-circuiting damage.
5) Compact SIP-M12 package allows a large power dis-
sipation (3W : no heat sink).
6) Thermal protection circuit prevents heat damage to
the IC.
167
1 page  
Regulator ICs
BA3935
FCircuit operation
(1) Timing chart
(2) Estimate of allowable power dissipation
Except under transitional conditions, the power dissipa-
tion of this IC is 3W per unit at 25_C. See Fig. 1 for ther-
mal derating characteristics, including some cases
where heat sinks are used.
FThermal derating curve
AUDIO 9V, MOTOR 9.5V, and COM 5V are output re-
gardless of MODE SW.
RADIO 5V rises when MODE SW is 1.4V (typical), and
CD 5V and CD 7.5V rise when MODE SW is 3.2V (typi-
cal).
171
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet BA3935.PDF ] | |
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