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LTC4126

Analog Devices
Part Number LTC4126
Manufacturer Analog Devices
Description 7.5mA Wireless Li-Ion Charger
Published May 15, 2019
Detailed Description LTC4126 7.5mA Wireless Li-Ion Charger with 1.2V Step-Down DC/DC Converter FEATURES n Wireless Li-Ion Battery Charger Pl...
Datasheet PDF File LTC4126 PDF File

LTC4126
LTC4126

Overview
LTC4126 7.
5mA Wireless Li-Ion Charger with 1.
2V Step-Down DC/DC Converter FEATURES n Wireless Li-Ion Battery Charger Plus High Efficiency Multi-Mode Charge Pump DC/DC n Wideband Rx Frequency: DC to >10MHz n Integrated Rectifier with Overvoltage Limit n Pin Selectable Charge Voltage: 4.
2V or 4.
35V n Charge Current: 7.
5mA (Fixed) n Low Battery Disconnect: 3.
0V n NTC Pin for Temperature Qualified Charging n DC/DC Regulated Output: 1.
2V n DC/DC Output Current: Up to 60mA n 50kHz/75kHz Switching, No Audible Noise n Pushbutton and/or Digital on/off Control for DC/DC n Thermally Enhanced 12-Lead 2mm × 2mm LQFN Package APPLICATIONS n Hearing Aids n Low Power Li-Ion Powered Devices n Wireless Headsets n IoT Wearables DESCRIPTION The LTC®4126 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 multi-mode charge pump which is powered from the battery and provides a regulated 1.
2V at the output.
The switc...


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