Part number:
LTC4040
Manufacturer:
Linear Technology
File Size:
1.33 MB
Description:
2.5a battery backup power manager.
Datasheet Details
Part number:
LTC4040
Manufacturer:
Linear Technology
File Size:
1.33 MB
Description:
2.5a battery backup power manager.
LTC4040, 2.5A Battery Backup Power Manager
The LTC®4040 is a complete 3.5V to 5.5V supply rail battery backup system.
It contains a high current step-up DC/DC regulator to back up the supply from a single-cell Li-Ion or LiFePO4 battery.
When external power is available, the step-up regulator operates in reverse as a stepdown battery charger.
LTC4040 Features
* nn Step-Up Backup Supply and Step-Down Battery Charger nn 6.5A Switches for 2.5A Backup from 3.2V Battery nn Input Current Limit Prioritizes Load Over Charge Current nn Input Disconnect Switch Isolates Input During Backup nn Automatic Seamless Switch-Over to Backup Mode nn Input Power Loss Indicator
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