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ADI LTC3225EDDB#TRPBF product image
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ADI LTC3225EDDB#TRPBFRoHS

Manufacturer
ADI
MPN
LTC3225EDDB#TRPBF
LCSC Part #
C462634
Packaging
DFN-10(2x3)
Customer #
Key Attributes
150mA Supercapacitor Charger
Datasheetpdf iconADI LTC3225EDDB#TRPBF
In-Stock: 3
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QtyUnit PriceTotal Amount
1+$ 8.6606$ 8.66
10+$ 7.4978$ 74.98
30+$ 6.7886$ 203.66
100+$ 6.195$ 619.50
Standard Packaging2500/Full Reel
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Power Management - Specialized
ManufacturerADI
PackagingDFN-10(2x3)
PFM ModeNot supported
FeaturesLow ripple / low noise architecture;Low-power standby;Digital control;Overcurrent Protection
Frequency - Switching900kHz
Operating Temperature-40℃~+85℃
Quiescent Current20uA
Output Voltage4.8V;5.3V
Voltage - Supply2.8V~5.5V
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Introduction

AI Translation

The LTC3225/LTC3225-1 are programmable supercapacitor chargers designed to charge two supercapacitors in series to a selectable fixed output voltage (4.8V/5.3V for the LTC3225 and 4V/4.5V for the LTC3225-1) from input supplies as low as 2.8V to 5.5V. Automatic cell balancing prevents overvoltage damage to either supercapacitor. No balancing resistors are required. Low input noise, low quiescent current and low external parts count (one flying capacitor, one bypass capacitor at VIN and one programming resistor) make the LTC3225/ LTC3225-1 ideally suited for small battery-powered applications. Charge current level is programmed with an external resistor. When the input supply is removed, the LTC3225/ LTC3225-1 automatically enter a low current state, drawing less than 1μA from the supercapacitors. The LTC3225/LTC3225-1 are available in a 10-lead 2mm × 3mm DFN package.

Features

AI Translation
  • Low Noise Constant Frequency Charging of Two Series Supercapacitors
  • Automatic Cell Balancing Prevents Capacitor Overvoltage During Charging
  • Programmable Charge Current (Up to 150mA)
  • Selectable 2.4V or 2.65V Regulation per Cell (LTC3225)
  • Selectable 2V or 2.25V Regulation per Cell (LTC3225-1)
  • Automatic Recharge
  • IVIN = 20μA in Standby Mode
  • ICOUT < 1μA When Input Supply is Removed
  • No Inductors
  • Tiny Application Circuit (2mm×3mm DFN Package, All Components <1mm High)

Applications

AI Translation
  • Current Limited Applications with High Peak Power Loads (LED Flash, PCMCIA Tx Bursts, HDD Bursts, GPRS/GSM Transmitter)
  • Backup Supplies