ROHM BA3935 Datasheet

Regulator ICs

Reference voltage power supply

BA3935

The BA3935 is a monolithic reference voltage power supply IC for use in CD radio cassette players.

Applications
CD radio cassette players, mini-component stereo audio systems

Features

1) With 9V output for audio power supply, 5V output for
microcontrollers, 5V output for radio, 5 and 7.5V out­puts 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).

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 dis­sipation (3W : no heat sink).

6) Thermal protection circuit prevents heat damage to
the IC.

Block diagram

167

Regulator ICs BA3935

FPin descriptions

FAbsolute maximum ratings (Ta = 25_C)

FRecommended operating conditions

168

Regulator ICs BA3935

Input / output circuits

169