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MC34063AGD
+NomenclatureIC REG BUCK BST ADJ 1.5A SOP-8
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FabricantTakin
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Pièce fabricant #MC34063AGD
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Fiche technique MC34063AGD DataSheet
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En stock23139
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Spécifications
| Attribut | Valeur |
| PartStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Up, Step-Down |
| OutputConfiguration | Positive |
| Topology | Boost, Buck |
| NumberofOutputs | 1 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 3V ~ 40V |
| Frequency-Switching | 100kHz |
| SynchronousRectifier | No |
| ClockSync | No |
| OperatingTemperature | -40°C ~ 125°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154", 3.90mm Width) |
| SupplierDevicePackage | 8-SOP |
Présentation
Description
Key features of the MC34063AGD include a 3.0V to 40V input voltage range, an output switch current of up to 1.5A, and an adjustable output voltage. It operates with a switching frequency up to 100 kHz. The device is equipped with current limiting, output switch current of up to 1.5A, and thermal shutdown features to ensure safe operation under different conditions.
Its straightforward design approach makes it ideal for cost-effective solutions in power management applications, such as battery-powered devices, consumer electronics, and automotive systems. The MC34063AGD is well-suited for engineers seeking a reliable and efficient power supply solution with minimal external components.
Equivalent
1. MC33063A: A similar DC-DC converter with comparable specifications.
2. LM2576: Offers similar functionality but typically in a different package and with additional features.
3. NCP3063: Provides a similar switching regulator function.
4. MIC4576: Another alternative with similar voltage regulation capabilities.
5. LMC555: While not a direct equivalent, it can be used in similar timing and control applications.
Ensure compatibility with your specific requirements when selecting a substitute.
Features
1. Input Voltage Range: Operates over a wide input voltage range of 3V to 40V, making it suitable for various applications.
2. Output Current: Capable of delivering up to 1.5A of output current with proper external components.
3. Switching Frequency: Features an adjustable switching frequency up to 100 kHz, providing flexibility for different design requirements.
4. Efficiency: Designed to deliver high efficiency through its efficient power switching capabilities.
5. Regulation: Offers both step-up (boost) and step-down (buck) voltage regulation, and can be configured for inverting output voltage.
6. Integrated Components: Contains an internal temperature-compensated reference, a comparator, a controlled duty cycle oscillator, a driver, and a high-current output switch.
7. Protection: Provides current limiting for safe operation and includes short-circuit and over-temperature protection.
8. Package Options: Available in multiple package types to suit different PCB layout needs.
These features make the MC34063AGD a popular choice for cost-effective and flexible power supply designs.
Pinout
1. Switch Collector (SWC): Connects to the external switching device or inductor.
2. Switch Emitter (SWE): Connects to the external switching device or inductor.
3. Timing Capacitor (CT): Connects a capacitor to set the oscillator frequency.
4. Ground (GND): Ground reference for the circuit.
5. Comparator Inverting Input (IN-): Connects to the feedback voltage.
6. Voltage Feedback (VFB): Sets the output voltage via a resistor divider network.
7. IPK Sense (IPK): Monitors current limit threshold.
8. Voltage Supply (VCC): Provides the input voltage to the IC.
The MC34063AGD is versatile and widely used due to its ability to handle different types of conversions and its relatively simple configuration.