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MC34063EBD
+BOMIC REG BUCK BOOST ADJ 1.5A 8SOIC
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Nhà sản xuấtSTMicroelectronics
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Ông. Phần #MC34063EBD
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Bảng dữ liệu MC34063EBD DataSheet
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Part Status | Obsolete |
| Function | Step-Up, Step-Down |
| Output Configuration | Positive or Negative |
| Topology | Buck, Boost |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 3V |
| Voltage - Input (Max) | 40V |
| Voltage - Output (Min / Fixed) | 1.25V |
| Voltage - Output (Max) | 38V |
| Current - Output | 1.5A (Switch) |
| Frequency - Switching | 33kHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| Base Product Number | MC34063 |
Tổng quan
Description
With a typical switching frequency of 100 kHz, the MC34063EBD can efficiently convert power with minimal external components. It includes a power switch, a comparator, and a voltage reference, enabling simplified circuit designs. The IC is available in a robust 8-pin DIP or surface mount (SOIC) package, making it adaptable for different layouts.
Applications for the MC34063EBD include battery chargers, power supplies for consumer electronics, and automotive systems. Its reliability, ease of use, and cost-effectiveness make it a popular choice in both hobbyist and professional designs.
Equivalent
Features
1. Flexible Operation: It can be configured as a step-up (boost), step-down (buck), or inverter converter.
2. Wide Input Voltage Range: Operates from 3V to 40V, making it suitable for battery-powered devices and other applications.
3. Output Voltage Regulation: Provides adjustable output voltage from 1.25V to 37V.
4. High Output Current: Capable of delivering up to 1.5A of output current.
5. Integrated Components: Contains a voltage regulator, an internal switch, and a comparator, reducing component count.
6. Efficiency: Typically achieves efficiencies of up to 90%, enhancing battery life and reducing heat generation.
7. Thermal Protection: Features thermal shutdown to prevent overheating.
8. Wide Operating Temperature: Functions effectively over a temperature range of -40°C to +125°C.
These attributes make the MC34063EBD suitable for various applications, including power supplies, portable devices, and industrial equipment.
Pinout
1. Vin (Pin 1): Input voltage.
2. GND (Pin 2): Ground reference.
3. SW (Pin 3): Switch output.
4. Vout (Pin 4): Output voltage.
5. COMP (Pin 5): Compensation pin for stability.
6. R1 (Pin 6): Feedback resistor connection.
7. R2 (Pin 7): Feedback resistor connection.
8. CT (Pin 8): Timing capacitor connection for frequency setting.
9. Vref (Pin 9): Reference voltage output.
10. ISENSE (Pin 10): Current sensing input.
11. NC (Pin 11): No connection.
12. NC (Pin 12): No connection.
13. SENSE (Pin 13): Current sense input.
14. Vcc (Pin 14): Supply voltage for internal circuits.
15. Vout (Pin 15): Output voltage (another output pin).
16. SW (Pin 16): Switch output (another switch pin).
This IC can be used for step-up, step-down, and inverter applications.
Manufacturer
Application
1. Buck Converter: Steps down voltage for battery-powered devices.
2. Boost Converter: Increases voltage for higher power applications.
3. Buck-Boost Converter: Provides output voltage that can be higher or lower than the input.
4. Power Supplies: Used in portable and desktop electronic devices for efficient power management.
5. LED Drivers: Powers LED lighting systems.
6. Automotive Applications: Supplies power to various automotive electronics.
7. Telecommunications: Provides regulated voltage for communication devices.
Its flexibility and efficiency make it suitable for a wide range of applications.