Imagens apenas para referência
MC34063ADRJR
+Lista de MateriaisIC REG BUCK BST ADJ 1.5A 8SON
-
FabricanteTexas Instruments
-
Peça do Fabricante #MC34063ADRJR
-
Pacote WSON-8
-
Em Estoque3493
365 Garantia de Qualidade em 1 dia
7*24 Garantia de serviço em 24 horas
90-Garantia de pós-venda em 1 dia
Garantia de Produto Genuíno
Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| 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 |
| Package/Case | 8-WDFN Exposed Pad |
Visão Geral
Description
Key features of the MC34063ADRJR include an internal switch that handles up to 1.5A peak current, a switching frequency that can be adjusted up to 100 kHz, and built-in frequency compensation. It also provides protection features such as current limiting and thermal shutdown, ensuring robust performance across different operating conditions.
The MC34063ADRJR is commonly used in applications like battery chargers, LED drivers, and regulated power supplies. Its small size and low external component count make it suitable for compact designs. The device is available in various package options, with the "DRJR" suffix usually indicating a specific package type or reel packaging variant.
Equivalent
1. LM2575 - Offers similar step-down functionality.
2. LM2587 - Provides step-up capabilities.
3. NCP3063 - Offers similar features with improved performance.
4. LMC555 - Not a direct equivalent but can be used in some timing applications.
5. LMC660 - Similar applications in power conversion.
Ensure compatibility with specific requirements before substituting.
Features
1. Input Voltage Range: Operates from a wide input voltage range of 3V to 40V, suitable for various applications.
2. Output Switch Current: Capable of providing up to 1.5A of output switch current, making it versatile for different power requirements.
3. Adjustable Output Voltage: Allows for adjustable output voltage, which can be configured using external resistors.
4. Switching Frequency: Features a switching frequency that can be adjusted up to 100 kHz to optimize performance.
5. Efficiency: Designed for efficient power conversion, which helps in reducing power loss and thermal management requirements.
6. Protection Features: Includes features like current limiting, thermal shutdown, and short-circuit protection to ensure reliable operation.
7. Package: Available in a compact package, such as SOIC-8, which is suitable for space-constrained applications.
These features make the MC34063ADRJR a popular choice for cost-effective and efficient power supply designs in various electronic devices.
Pinout
1. Switch Collector (SWC): Connects to the inductor for switching.
2. Switch Emitter (SWE): Ground reference for switching.
3. Timing Capacitor (CT): Determines the oscillator frequency.
4. Ground (GND): Ground reference for the IC.
5. Comparator Inverting Input (CIN-): Receives feedback voltage for regulation.
6. Voltage Feedback (VFB): Connects to the output voltage divider for feedback.
7. Ipk Sense (IPK): Sets the current limit by connecting a resistor.
8. VCC: Power supply input.
These pins allow the MC34063ADRJR to adjust its output voltage according to the requirements of different applications, making it versatile for various power supply designs.
Manufacturer
Application
1. Step-Up (Boost) Converters: Used to increase voltage from a lower input voltage to a higher output voltage.
2. Step-Down (Buck) Converters: Used to reduce voltage from a higher input voltage to a lower output voltage.
3. Inverting Converters: Used to invert the input voltage for applications requiring negative voltage rails.
4. Battery-Powered Devices: Suitable for efficient power management and voltage regulation.
5. Telecommunications: Used in circuit designs for modems and communication devices.
6. Consumer Electronics: Deployed in various gadgets requiring stable voltage levels.
These application areas benefit from the MC34063ADRJR's ability to handle various voltage conversion tasks efficiently.