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TC105503ECT Datasheet (PDF) - Microchip Technology

TC105503ECT Datasheet PDF - Microchip Technology
Part # TC105503ECT
Download  TC105503ECT Download

File Size   433.18 Kbytes
Page   14 Pages
Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology
Description PFM/PWM Step-Down DC/DC Controller

TC105503ECT Datasheet (PDF)

Go To PDF Page Download Datasheet
TC105503ECT Datasheet PDF - Microchip Technology

Part # TC105503ECT
Download  TC105503ECT Click to download

File Size   433.18 Kbytes
Page   14 Pages
Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology
Description PFM/PWM Step-Down DC/DC Controller

TC105503ECT Datasheet (HTML) - Microchip Technology

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TC105503ECT Product details

General Description

The TC105 is a step-down (Buck) switching controller that furnishes output currents of up to 1A (max) while delivering a typical efficiency of 92%. The TC105 normally operates in pulse width modulation mode (PWM), but automatically switches to pulse frequency modulation (PFM) at low output loads for greater efficiency. Oscillator frequency is 300kHz, allowing use of small (22µH) inductors. Supply current draw is only 102µA (max), and is reduced to less than 0.5µA when the SHDN input is brought low. Regulator operation is suspended during shutdown. The TC105 accepts a maximum input voltage of 10V.



Features

• 57µA (Typ) Supply Current

• 1A Output Current

• 0.5µA Shutdown Mode

• 300kHz Switching Frequency for Small Inductor Size

• Programmable Soft-Start

• 92% Typical Efficiency

• Small Package: 5-Pin SOT-23A



Applications

• Palmtops

• Battery-Operated Systems

• Portable Instruments

• Positive LCD Bias Generators

• Portable Communicators

• Hand-Held Scanners

• 5V to 3V Down Converters



 




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About Microchip Technology


Microchip Technology is an American semiconductor company that was founded in 1989.
The company provides a wide range of microcontrollers, analog, memory, and security products for various applications in the automotive, industrial, and consumer markets.
Microchip is one of the largest microcontroller suppliers in the world and is known for its expertise in low-power design and its focus on energy-saving technologies.
The company also provides development tools and software to help customers design and prototype their products.
Microchip has operations in over 70 countries and its products are used in a wide range of applications.

*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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