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MC34063AP1G
+NomenclatureIC REG BUCK BST ADJ 1.5A 8DIP
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FabricantSemi - conducteurs
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Pièce fabricant #MC34063AP1G
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Package PDIP-8
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En stock1419
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Spécifications
| Attribut | Valeur |
| Package | Bulk,Tube |
| 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 | Through Hole |
| Package/Case | 8-DIP (0.300, 7.62mm) |
Présentation
Description
Key features include a 3V to 40V input voltage range, 1.5A peak output current, and a switching frequency of up to 100 kHz, which is adjustable for specific needs. It also includes a current limiting feature, an internal temperature-compensated voltage reference, and a duty cycle control that can be adjusted to achieve desired output levels.
The MC34063AP1G is available in an 8-pin DIP or SOIC package, offering ease of use and integration into circuits. Its affordability, combined with flexibility and reliability, makes it a popular choice for both hobbyists and professionals working on power supply designs in consumer electronics and industrial applications.
Equivalent
1. LM2575 - from Texas Instruments.
2. MC33063 - from ON Semiconductor.
3. LMR62014 - from Texas Instruments.
4. NCP3063 - from ON Semiconductor.
5. LT1073 - from Analog Devices.
6. XL6008 - from XLSEMI.
These equivalents may offer variations in specifications, so check the datasheets for compatibility with your specific application.
Features
1. Wide Input Voltage Range: 3V to 40V.
2. Adjustable Output Voltage: This can be set using external resistors.
3. Switching Frequency: Up to 100 kHz, adjustable with an external capacitor.
4. Output Switch Current: Up to 1.5A.
5. Current Limiting: Internal current limiting to prevent overloading.
6. Thermal Shutdown: Protection against overheating.
7. Efficient Operation: Designed for efficient power conversion.
These features make the MC34063AP1G suitable for a variety of applications, including battery-powered devices, power supply designs, and voltage regulation in electronic circuits.
Pinout
1. Pin 1 (Switch Collector): Connects to the switching transistor's collector, used for driving the inductor.
2. Pin 2 (Switch Emitter): Emitter of the internal switch transistor, usually grounded.
3. Pin 3 (Timing Capacitor): Connects a capacitor to set the oscillator frequency.
4. Pin 4 (Ground): Common ground for the entire chip.
5. Pin 5 (Comparator Inverting Input): Feedback input for the internal comparator to regulate output voltage.
6. Pin 6 (VCC): Supply voltage for the IC.
7. Pin 7 (Ipk Sense): Current limiting pin, used to set the peak current through the inductor.
8. Pin 8 (Voltage Feedback): Non-inverting input to the comparator, typically connected to a voltage divider from the output.
The MC34063A is versatile and cost-effective, making it suitable for various power conversion applications with moderate performance requirements.