Low

LTC3226EUD#PBF - 

IC, 2CELL SUPERCAP CHARGE, 16QFN

LINEAR TECHNOLOGY LTC3226EUD#PBF

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Cod. produttore:
LTC3226EUD#PBF
Codice Prodotto
2033980
Datasheet tecnico:
(EN)
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Informazioni sui prodotti

:
5.5V
:
16Pin
:
125°C
:
1
:
QFN
:
-
:
Pezzo
:
-
:
-
:
-40°C
:
1
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Panoramica del prodotto

The LTC3226EUD#PBF is a 2-cell Supercapacitor Charger with backup PowerPath™ controller. It includes a charge pump supercapacitor charger with programmable output voltage, a low dropout regulator and a power-fail comparator for switching between normal and backup modes. The constant input current supercapacitor charger is designed to charge two supercapacitors in series to a resistor-programmable output voltage from a 2.5 to 5.3V input supply. The charger input current limit is programmable by an external resistor at up to 315mA. The internal backup LDO is powered from the supercapacitors and provides up to 2A peak output current with an adjustable output voltage. When the input supply falls below the power-fail threshold, the LTC3226 automatically enters a backup state in which the supercapacitors power the output through the LDO. The input supply power-fail voltage level is programmed by an external resistor divider.
  • 1x/2x Multimode charge pump supercapacitor charger
  • Automatic cell balancing
  • Ideal diode main PowerPath™ controller (VIN to VOUT)
  • Internal 2A LDO backup supply (CPO to VOUT)
  • Automatic main/backup switchover
  • 2.5 to 5.5V Input voltage range
  • Programmable SCAP charge voltage
  • Programmable input current limit (315mA maximum)
  • No load IVIN = 55µA (typical)

Applicazioni

Gestione Alimentazione, Industriale, Medicale, Elaborazione di Segnale

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