bd5445efv ROHM Co. Ltd., bd5445efv Datasheet - Page 17

• Manufacturer Part Number: bd5445efv
• Description: Analog Input / Single End Output Class-d Speaker Amplifier
• Manufacturer: ROHM Co. Ltd.

●Power supply shut-down sequence
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BD5445EFV
www.rohm.com
Power supply shut down, after PDX (Pin 10) change H→L. The IC has possibly to sound POP noise, if PDX (Pim10) keep
H. Speaker’s coupling capacitor (Fig30:Cse) don’t discharge at this time. Pop-noise may sound when power supply start up
at the next time.
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Technical Note
2010.05 - Rev.B