EUP8209-8.4 charger equivalent, switch mode li-ion/polymer battery charger.
Wide Input Supply Voltage Range: 4.8V to 20V
– 4.2 Version 8.9V to 20V
– 8.4 Version 8.9V to 20V
– 8.4A Version 500kHz Swi.
Small Notebook Computer Portable DVD Handheld Instruments
Efficiency vs Input voltage
100
Typical Operating Performance.
The EUP8209 is a constant current, constant voltage Li-Ion battery charger controller that uses a current mode PWM step-down (buck) switching architecture. With a 500kHz switching frequency, the EUP8209 provides a small, simple and efficient solution.
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