MC34063ABD-TR Allicdata Electronics

MC34063ABD-TR Integrated Circuits (ICs)

Allicdata Part #:

497-7849-2-ND

Manufacturer Part#:

MC34063ABD-TR

Price: $ 0.00
Product Category:

Integrated Circuits (ICs)

Manufacturer: STMicroelectronics
Short Description: IC REG BUCK BOOST INV ADJ 8SOIC
More Detail: Buck, Boost Switching Regulator IC Positive or Neg...
DataSheet: MC34063ABD-TR datasheetMC34063ABD-TR Datasheet/PDF
Quantity: 1000
Stock 1000Can Ship Immediately
Specifications
Series: --
Packaging: Tape & Reel (TR) 
Part Status: Active
Function: Step-Up, Step-Down
Output Configuration: Positive or Negative
Topology: Buck, Boost
Output Type: Adjustable
Number of Outputs: 1
Voltage - Input (Min): 3V
Voltage - Input (Max): 40V
Voltage - Output (Min/Fixed): 1.25V
Voltage - Output (Max): 38V
Current - Output: 1.5A (Switch)
Frequency - Switching: 100kHz
Synchronous Rectifier: No
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package: 8-SO
Base Part Number: MC34063A
Description

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Introduction to MC34063ABD-TRMC34063ABD-TR is a highly efficient low power consumption DC/DC switching regulator developed by ON Semiconductor Corporation. It is a current-mode step-down converter designed to operate over an input voltage range of 4.5V to 20V with an output current range of 0.1A to 1A. Its high efficiency, low noise operation, and small size make it a great choice for use in a wide range of applications.Description of the MC34063ABD-TRThe MC34063ABD-TR contains an internal PWM controller with a wide operating range and is capable of delivering up to 1A of output current. Its wide input voltage range of 4.5V to 20V, coupled with its low power consumption and small size, makes it ideal for battery-operated portable applications. It has an on-chip peak current limit circuit, as well as an adjustable soft-start and output voltage clamping.The regulator also includes a startup circuit, an over-current protection circuit, and a thermal shutdown circuit. The MC34063ABD-TR has an integrated power MOSFET (PMOS) for efficient and quiet switching. The PMOS output can be either high or low side switched.Applications of MC34063ABD-TRThe MC34063ABD-TR can be used in many different types of applications such as portable/battery operated equipment and automotive applications. Due to its small size, high efficiency, and wide input voltage range, it can be used in a broad range of consumer electronic devices including cell phones, PDAs, laptop computers, and handheld gaming systems.The MC34063ABD-TR is an ideal choice for applications requiring low voltage, low current draw, and high efficiency. It is also suitable for applications requiring load transient protection, such as automotive systems.Working Principle of MC34063ABD-TRThe MC34063ABD-TR works on a buck converter switching principle. It utilizes a variable duty cycle output which is controlled by the error amplifier. The error amplifier compares the output voltage to the voltage reference to generate a signal that is proportional to the demanded output voltage. It then adjusts the duty cycle of the converter to maintain a constant output voltage.The MC34063ABD-TR also utilizes frequency fold-back and pulse-skipping to reduce power consumption at light loads by reducing the switching frequency of the power stage. This allows for efficient operation over a wide range of output currents while maintaining VERY low noise levels.ConclusionThe MC34063ABD-TR is a highly efficient, low power consumption DC/DC switching regulator. Its high efficiency, low noise operation, and small size make it a great choice for a wide range of applications. Its wide input voltage, coupled with its adjustable soft-start and output voltage clamping, make it suitable for automotive applications, as well as any low voltage and low current draw requirement.

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