LTC3128
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 Memory Backup n Servers, RAID, RF Systems n Industrial, munications, puting
The LTC®3128 is a highly efficient, buck-boost DC/DC supercapacitor charger. It operates efficiently from input voltages above, below or equal to the output voltage. The LTC3128 incorporates accurate programmable average input current limit, active charge balancing and programmable maximum capacitor voltage. This bination of...
