LTC3128 Datasheet | Linear Technology

LTC3128 3A Monolithic Buck-Boost Supercapacitor Charger and Balancer with Accurate Input Current Limit Features DESCRIPTION n ±2% Accurate Average Input Current Limit Programmable Up to 3A n Programmable Maximum Capacitor Voltage Limit n Active Charge Balancing for Fast Charging of Unmatched Capacitors n Charges Single or Stacked Capacitors n VIN Range: 1.73V to 5.5V n VOUT Range: 1.8V to 5.5V n <2µA Quiescent Current from VOUT When Charged n Output Disconnect in Shutdown: <1µA IQ Shutdown n Power-Good parator n Power Failure Indicator n Thermally Enhanced 20-Lead (4mm × 5mm × 0.75mm) QFN and 24-Lead TSSOP Packages APPLICATIONS n Supercapacitor Based Backup Power n...