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ADI LTC4425IMSE#PBF product image
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ADI LTC4425IMSE#PBFRoHS

Manufacturer
ADI
MPN
LTC4425IMSE#PBF
LCSC Part #
C688538
Packaging
MSOP-12-EP-0.65mm
Customer #
Key Attributes
Supercapacitor MSOP-12-EP-0.65mm Power Management - Specialized RoHS
Datasheetpdf iconADI LTC4425IMSE#PBF
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QtyUnit Price(Reference Only)Total Amount
1+$ 11.4507$ 11.45
10+$ 10.9152$ 109.15
30+$ 9.9905$ 299.72
100+$ 9.1827$ 918.27
Standard Packaging37/Full Tube
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Power Management - Specialized
ManufacturerADI
PackagingMSOP-12-EP-0.65mm
Type-
FeaturesConstant current charging;Constant voltage charging;Programmable charging current;Short-Circuit Protection;Soft-start;Cell balancing
Operating Temperature-40℃~+125℃
Type of BatterySupercapacitor
Charge Current - Max-
Voltage - Supply2.7V~5.5V
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging37
Sales UnitPiece

Introduction

AI Translation

The LTC4425 is a constant-current/constant-voltage linear charger designed to charge a 2-cell supercap stack from either a Li-Ion/Polymer battery, a USB port, or a 2.7V to 5.5V current-limited supply. The part operates as an ideal diode with an extremely low 50mΩ on-resistance making it suitable for high peak-power/low average power applications. The LTC4425 charges the output capacitors to an externally programmed output voltage in LDO mode at a constant charge current, or to VIN in normal mode with a smart charge current profile to limit the inrush current until the VIN to VOUT differential is less than 250mV. In addition the LTC4425 can be set to clamp the output voltage to 4.9V or 5.4V.

Features

AI Translation
  • 50mΩ Ideal Diode from VIN to VOUT
  • Smart Charge Current Profile Limits Inrush Current
  • Internal Cell Balancer (No External Resistors)
  • Programmable Output Voltage (LDO Mode)
  • Programmable VIN to VOUT Current Limit
  • Continuous Monitoring of VIN to VOUT Current via PROG Pin
  • Low Quiescent Current: 20μA
  • VIN Power Fail, PGOOD Indicator
  • 2.45V/2.7V Cell Protection Shunts (4.9V/5.4V SuperCap Max Top-Off Voltage)
  • 3A Peak Current Limit, Thermal Limiting
  • Tiny Application Circuit, 3mm×3mm×0.75mm DFN and 12-Lead MSOP Packages

Applications

AI Translation
  • High Peak Power Battery/USB Powered Equipment
  • Industrial PDAs
  • Portable Instruments/Monitoring Equipment
  • Power Meters, SuperCap Backup Circuits
  • PC Card/USB Modems