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LTC4425 Datasheet (PDF) - Linear Technology

LTC4425 Datasheet PDF - Linear Technology
Part # LTC4425
Download  LTC4425 Download

File Size   247.38 Kbytes
Page   20 Pages
Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology
Description Linear SuperCap Charger with Current-Limited Ideal Diode and V/I Monitor

LTC4425 Datasheet (PDF)

Go To PDF Page Download Datasheet
LTC4425 Datasheet PDF - Linear Technology

Part # LTC4425
Download  LTC4425 Click to download

File Size   247.38 Kbytes
Page   20 Pages
Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology
Description Linear SuperCap Charger with Current-Limited Ideal Diode and V/I Monitor

LTC4425 Datasheet (HTML) - Linear Technology

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LTC4425 Product details

DESCRIPTION
The LTC®4425 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 VINin normal mode with a smart charge current profile to limit the inrush current until the VINto 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
■ 50mΩ Ideal Diode from VIN to VOUT
■ Smart Charge Current Profi le 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
■ High Peak Power Battery/USB Powered Equipment
■ Industrial PDAs
■ Portable Instruments/Monitoring Equipment
■ Power Meters, SuperCap Backup Circuits
■ PC Card/USB Modems




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About Linear Technology


Linear Technology was a publicly traded company that designed, manufactured, and marketed a wide range of analog integrated circuits (ICs) for applications in industrial, automotive, communications, and computing industries.
The company was founded in 1981 and was headquartered in Milpitas, California.
Linear Technology was acquired by Analog Devices, Inc. in 2017.
Linear Technology was known for its high-performance analog ICs, including amplifiers, voltage regulators, data converters, power management ICs, and interface products.
The company's products were designed for use in a variety of applications, including automotive, industrial, and energy management systems, among others.
With a focus on innovation and customer satisfaction, Linear Technology was committed to providing its customers with high-quality, reliable solutions to meet their needs.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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