Analog Devices LTC4126-10

Beschreibung

The LTC®4126-10 is a low-power wireless single-cell Li-Ion battery charger with an integrated step-down DC/ DC regulator. The step-down regulator is a low-noise multimode charge pump which is powered from the battery and provides a regulated 1.2V at the output. The switching frequency is set to either 50kHz or 75kHz depending on the mode to keep any switching noise out of the audible range.

Eigenschaften

• Wireless Li-Ion Battery Charger Plus High Efficiency Multi-Mode Charge Pump DC/DC
• Wideband Rx Frequency: DC to >10MHz
• Integrated Rectifier with Overvoltage Limit
• Pin Selectable Charge Voltage: 4.1V or 4.2V
• Charge Current: 10mA (Fixed)
• Low Battery Disconnect: 3.0V
• NTC Pin for Temperature Qualified Charging
• DC/DC Regulated Output: 1.2V
• DC/DC Output Current: Up to 60mA
• 50kHz/75kHz Switching, No Audible Noise
• Pushbutton and/or Digital on/off Control for DC/DC
• Thermally Enhanced 12-Lead 2mm × 2mm LQFN Package

Typische Anwendungen

• Wireless Headsets
• IoT Wearables
• Hearing Aids
• Low Power Li-Ion Powered Devices

Weiterführende Informationen

• Datenblatt