BA3915B, BA3917, BA3918 Selling Leads, Datasheet
MFG:ROHM Package Cooled:ZIP-16 D/C:01+
BA3915B, BA3917, BA3918 Datasheet download
Part Number: BA3915B
MFG: ROHM
Package Cooled: ZIP-16
D/C: 01+
BA3915B, BA3917, BA3918
- Table of contents:
Info of BA3915B
Info of BA3917
Info of BA3918
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About BA3915B
PDF/DataSheet Download
Datasheet: BA3915B
File Size: 253817 KB
Manufacturer: ROHM [Rohm]
Download : Click here to Download
About BA301
PDF/DataSheet Download
Datasheet: BA301
File Size: 124322 KB
Manufacturer: ROHM [Rohm]
Download : Click here to Download
About BA3918
PDF/DataSheet Download
Datasheet: BA3918
File Size: 156713 KB
Manufacturer: ROHM [Rohm]
Download : Click here to Download
BA3915B General Description
The BA3915B is an one-chip power supply IC for use in car audio systems. The IC has seven output systems : one 5V output (VDD), four 8.5V outputs (COM, FM, AM, AR), and two high-side switch outputs (ANT, AMP). The 5V outputs operate all the time if only the BCAD input is provided. The other outputs operate with BACKUP and ACC inputs, and their ON / OFF is controlled by the STANDBY and MODE inputs.
BA3915B Features
1) ACC and BACKUP voltages are monitored,
compared with the internally set values; one-shot
pulses are output to MUTE, which synchronizes with
the rising and falling of the STANDBY input.
2) ACC voltage is monitored, compared with the internally
set value, and the result is output to ACCB.
3) All outputs use a PNP transistor with low saturation voltage.
4) Output current limit circuit prevents damage to the IC
due to short-circuiting.
5) Overvoltage protection circuit provides protection
against surges from the ACC or BACKUP input.
6) Compact 16-pin POWER package allows large power dissipation.
compared with the internally set values; one-shot
pulses are output to MUTE, which synchronizes with
the rising and falling of the STANDBY input.
2) ACC voltage is monitored, compared with the internally
set value, and the result is output to ACCB.
3) All outputs use a PNP transistor with low saturation voltage.
4) Output current limit circuit prevents damage to the IC
due to short-circuiting.
5) Overvoltage protection circuit provides protection
against surges from the ACC or BACKUP input.
6) Compact 16-pin POWER package allows large power dissipation.
BA3915B Typical Application
Car audio systems
BA3918 General Description
The BA3918 is a single-chip power supply IC for use in car audio systems. One 5.6V output for a microcontroller, three 8.7V outputs, and two outputs interlocked by BACKUP and ACC systems are built in.
BA3918 Features
1) All outputs except AMP and ANT use a PNP transistor with a low saturation voltage.
2) Output current limit circuit prevents damage to the IC due to short-circuiting.
3) Overvoltage protection circuit provides protection against surges from the ACC or BACKUP input.
4) Compact 12-pin POWER package allows large power dissipation.
5) Thermal protection circuit prevents heat damage to the IC.
2) Output current limit circuit prevents damage to the IC due to short-circuiting.
3) Overvoltage protection circuit provides protection against surges from the ACC or BACKUP input.
4) Compact 12-pin POWER package allows large power dissipation.
5) Thermal protection circuit prevents heat damage to the IC.
BA3918 Typical Application
Car audio systems
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