XC6810
28V Multi-Function Charger
for small Li-ion & LiPo Batteries 

• Includes control and discharge prevention 
  circuits for small batteries
• Monitor outputs for state of charge and battery voltage
• Special features for Energy Harvesting and
  Wireless Power Transfer Applications

Charge Voltage: 3.80 V ~ 4.40 V (0.05 V increments)
Charge Current: 1 mA ~ 25 mA (set by external resistor)

• Ultra-Low Power

• High Efficiency even at Low I_out

• 430mA @ V_out 5.0V, V_BAT 3.3V

• Small WLP-6-05 Package (1.1mm x 1.3mm)

Tiny CL-2025-03 Package:  2.5 x 2.0 x 1.04mm

Ultra-Low Quiescent Current:  only 200nA!

Integrated Inductor

Ideal Solution for

Extending Battery

Life

• Low Power Consumption:  0.6μA

• Maximum Output Current: 150mA

• Fast Ripple Rejection 60dB @ 1kHz

Low Quiescent Current: 19μA

Output Current: 750mA@V_OUT=5.0V, V_BAT=3.3V

Optional Functions:

• Load Disconnection
• Bypass Mode
• VOUT Or Connection

XC9276 Step-Down DC/DC Converter with VSET

Ultra Low Power

Quiescent current only 200nA

VSET Function

2 pre-set output voltages are selectable

Low Profile Package

1.07 x 1.72 x 0.33 mm