Allicdata Part #: | 296-17766-5-ND |
Manufacturer Part#: |
MC34063AP |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC REG BCK BST INV ADJ 1.5A 8DIP |
More Detail: | Buck, Boost Switching Regulator IC Positive or Neg... |
DataSheet: | MC34063AP Datasheet/PDF |
Quantity: | 3260 |
Voltage - Output (Min/Fixed): | 1.25V |
Base Part Number: | MC34063A |
Supplier Device Package: | 8-PDIP |
Package / Case: | 8-DIP (0.300", 7.62mm) |
Mounting Type: | Through Hole |
Operating Temperature: | 0°C ~ 70°C (TA) |
Synchronous Rectifier: | No |
Frequency - Switching: | 100kHz |
Current - Output: | 1.5A (Switch) |
Voltage - Output (Max): | 40V (Switch) |
Series: | -- |
Voltage - Input (Max): | 40V |
Voltage - Input (Min): | 3V |
Number of Outputs: | 1 |
Output Type: | Adjustable |
Topology: | Buck, Boost |
Output Configuration: | Positive or Negative |
Function: | Step-Up, Step-Down |
Part Status: | Active |
Packaging: | Tube |
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The MC34063AP is a DC-DC switching regulator and is categorized under Power Management Integrated Circuit (PMIC) – Voltage Regulators – DC DC Switching Regulators. It is used to convert a constant input voltage to an adjustable regulated output voltage. The device consists of an internal temperature compensated reference, an error voltage amplifier, a PWM comparator, and an output switch. The frequency of the device is determined by an external capacitor and resistor connected to CT pin and RT pin respectively.
The application field of this DC-DC switching regulator includes automobiles, notebooks, PDAs, ultrasonic cleaning and medical equipment, set-top boxes, fuel injectors, and smart card reader systems. Being highly versatile, it can be used to obtain an output voltage ranging from 1.2V to 44V or even higher depending upon the output control loops. Moreover, it is one of the smallest DC-DC switching regulator available in the market with the only 16 pin surface mount package.
The working principle of the MC34063AP involves the conversion of input voltage to the desired output voltage. Initially, the internal reference generates a voltage as its reference voltage. The amplifier then amplifies the differences between the reference voltage and the errors obtained from the output voltage. The amplified errors are first compared with the clock pulse and then acted upon. As a result, the output voltage is regulated at the desired level.
In addition to voltage regulation, the MC34063AP contains a number of features that enable the device to operate from a wide range of input voltages and a large output voltage range. These features include cycle-by-cycle current limit protection, thermal shutdown protection, and frequency modulation. The device itself includes a built-in oscillator, which helps to create the PWM waveform to provide an accurate output voltage. Furthermore, it is capable of operating at a frequency of up to 100 kHz with very low output ripple voltage and excellent load regulation. As a result, it ensures a smooth, clean, and low-noise power supply suitable for most applications.
In conclusion, the MC34063AP is a highly versatile DC-DC switching regulator that can be used in various applications such as automobiles, notebooks, PDAs, set-top boxes, fuel injectors, and smart card readers. With its many features and benefits, this device serves as an ideal choice to provide an efficient and reliable power solution. Moreover, the device is available in a small, 16-pin surface mount package and thus can be easily integrated into a given system.
The specific data is subject to PDF, and the above content is for reference
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