产品详情

ETA（钰泰） ETA4257D3K DFN3x3-10 1.2A/40V全集成线性充电器

1.2A/40V Fully Integrated Linear Charger for 1 Cell Li-ion Battery
ETA4257 is a single cell, fully integrated constant current (CC)/constant voltage (CV) Li-ion battery charger. Its compact package with minimum external components requirement makes the ETA4257 ideal for portable applications. No external sense resistor or blocking diode is necessary for the ETA4257. Build-in thermal feedback mechanism regulates the charg...

Features
40V input standoff voltage
4.2V charge termination voltage
2.6V trickle charge threshold
Charge current programmable, up to 1.2A
400nA BAT current when no charging
Soft-start limits in-rush current
Fault and Charge Status Indicator
DFN3x3-10

应用电路图：