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L4962A
+BOM-
제조업체ST마이크로일렉트로닉스(주)
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제조업체 부품 #L4962A
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데이터시트 L4962A DataSheet
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사양
| 속성 | 가치 |
| Manufacturer | STMicroelectronics |
| Package | DIP-16 |
| Voltage-Supply | 5.1V~46V |
| Function | Step-down type |
| NumberofOutputs | 1 |
| Topology | Step-Down |
| OperatingTemperature | -40℃~+150℃ |
| Switchtube(built-in/external) | Built-in |
| Frequency-Switching | 85kHz~115kHz |
개요
Description
Key features of the L4962A include its wide input voltage range, high output current capability, and built-in protection features such as thermal shutdown and current limiting to prevent damage under fault conditions. Its switching frequency is designed to be adjustable, allowing for flexibility in application-specific needs. The device is often used in power supply applications for consumer electronics, automotive systems, and industrial equipment.
Due to its robust design and reliable performance, the L4962A is a popular choice for engineers looking to design compact and efficient power supply circuits. Its efficiency and protection features help in reducing power loss and ensuring the longevity of electronic devices.
Equivalent
1. LM2596 by Texas Instruments
2. LM2576 by Texas Instruments
3. MC34063 by ON Semiconductor
4. L4970 by STMicroelectronics
5. L4973 by STMicroelectronics
These alternatives offer similar functionalities, such as adjustable output voltage, high efficiency, and built-in current limiting features. Always check the specific datasheets to ensure compatibility with your requirements.
Features
1. Wide Input Voltage Range: It accommodates varying input voltages, enhancing its applicability in different environments.
2. High Efficiency: Designed for efficient energy conversion, reducing heat dissipation and extending device longevity.
3. Adjustable Output Voltage: Users can fine-tune the output voltage as per specific requirements.
4. High Switching Frequency: This allows for smaller external components and contributes to a compact design.
5. Built-in Protection: Features include overcurrent and thermal shutdown protection, ensuring reliable and safe operation.
6. Low Standby Current: Minimizes power consumption when the device is not in active use.
7. Compact Package: Available in a space-saving package suitable for applications with limited space.
Overall, the L4962A is ideal for applications demanding efficient power regulation with robust protection features.
Pinout
1. Output - Supplies regulated voltage to the output.
2. Ground - Common ground for power supply and logic.
3. Bootstrap - Used for driving the internal power switch.
4. Synchronization - Input for synchronizing the oscillator frequency.
5. Frequency Compensation - Provides stability for the output.
6. Current Limiting - Sets the peak current limit.
7. Soft Start - Controls the startup time of the output voltage.
8. Feedback - Receives feedback from the output for regulation.
9. Oscillator - Sets the switching frequency.
10. Inhibit - Enables or disables the device.
11. Supply Voltage - The input voltage source.
12. Voltage Reference - Reference voltage for internal circuits.
13. Error Amplifier - Amplifies the error signal for regulation.
14. Thermal Shutdown - Protects against overheating.
15. Not connected - Unused pin in some versions.
These pins facilitate the L4962A's function as a versatile and efficient switch-mode power supply solution with features such as current limiting, soft start, and thermal protection.