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Name: MC34063ADRJR
Brand: Texas Instruments
SKU: MC34063ADRJR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments MC34063ADRJR

Part No.:: MC34063ADRJR

Manufacturer:: Texas Instruments

Package:: 8-WDFN Exposed Pad

Datasheet:: MC34063ADRJR.pdf

Description:: IC REG BUCK BST ADJ 1.5A 8SON

In Stock:: 603

Quantity:: Add To Cart

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MC34063ADRJR Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
Function:
Step-Up, Step-Down
OutputConfiguration:
Positive or Negative
Topology:
Buck, Boost
OutputType:
Adjustable
NumberofOutputs:
1
Voltage-Input(Min):
3V
Voltage-Input(Max):
40V
Voltage-Output(Min/Fixed):
1.25V
Voltage-Output(Max):
40V (Switch)
Current-Output:
1.5A (Switch)
Frequency-Switching:
100kHz
SynchronousRectifier:
No
OperatingTemperature:
0°C ~ 70°C (TA)
MountingType:
Surface Mount

MC34063ADRJR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including MC34063ADRJR price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for MC34063ADRJR to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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MC34063ADRJR information

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MC34063ADRJR Typical application Circuitry

MC34063ADRJR

The MC34063ADRJR belongs to a widely recognized series of integrated circuits known for their versatility in DC-DC conversion applications. This specific chip is a monolithic control circuit that carries out all of the essential tasks needed for DC-DC converters. It is used in a variety of applications due to its flexibility in configuring for step-up (boost), step-down (buck), and voltage-inverting applications.

1. Switch Collector (Pin 1 - SW Collector): This pin connects to the collector of the internal switch. In a typical application of the MC34063ADRJR, this pin is connected to the primary side of the inductor or transformer used in the DC-DC conversion process.

2. Switch Emitter (Pin 2 - SW Emitter): This pin is the emitter of the internal switching transistor. In most circuit configurations, it is connected to the ground, serving as a reference point for the switching action.

3. Timing Capacitor (Pin 3 - Timing Capacitor): The Timing Capacitor pin is crucial for setting the frequency of the internal oscillator. A capacitor is connected to this pin, and its value determines the switching frequency of the MC34063ADRJR.

4. Ground (Pin 4 - GND): The Ground pin is the common reference for the entire circuit. It's essential to ensure a solid connection to the ground plane for stable operation.

5. Comparator Inverting Input (Pin 5 - Comparator In-): This pin is connected to the inverting input of the internal comparator. It typically connects to a voltage divider network that senses the output voltage, playing a key role in regulating the output.

6. Driver Collector (Pin 6 - Driver Collector): This pin connects to the collector of an auxiliary transistor. It's often used in configurations where an external transistor is needed to boost the drive capability of the MC34063ADRJR.

7. VCC (Pin 7 - VCC): The VCC pin is where the supply voltage for the MC34063ADRJR is applied. The voltage level here should be within the specified range for the chip to operate correctly.

8. Ipk Sense (Pin 8 - Ipk Sense): This pin senses the peak current in the switch. It is connected to a resistor that is in series with the inductor, allowing the chip to monitor and control the current through the switching transistor.

In utilizing the MC34063ADRJR, it's critical to design the circuit according to the specific requirements of the intended application, whether it's for step-up, step-down, or inverting purposes. Components like inductors, diodes, and capacitors must be selected based on the desired output voltage/current and the input voltage range. Additionally, careful consideration of thermal management, layout for minimal noise and interference, and protection features like overcurrent and thermal shutdown is crucial for reliable and efficient operation.

In summary, the MC34063ADRJR is a versatile and highly useful component for various DC-DC conversion applications, requiring thoughtful circuit design and component selection to achieve the desired performance and reliability.

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6. What is the process for return or replacement of MC34063ADRJR?

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of MC34063ADRJR.

(3)The PartNo is unused and only in the original unpacked packaging.

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