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LTC3780EG
+БОМSwitching Voltage Regulators LTC3780 - High Efficiency, Synchronous, 4-Switch Buck-Boost Controller
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ПроизводительАналоговые устройства
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Мфр. Часть #LTC3780EG
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Лист данных LTC3780EG DataSheet
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В наличии21359
365 Дни гарантии качества
7*24 часы обслуживания каранти
90-гарантия послепродажного дня
Гарантия подлинного продукта
Спецификации
| Атрибут | Ценность |
Обзор
Description
Key features of the LTC3780EG include a wide input voltage range (from 4V to 38V), adjustable output voltage, and up to 95% efficiency. It also offers robust protection features such as overvoltage, undervoltage, overcurrent, and thermal shutdown protections, enhancing reliability in various applications. The IC supports high switching frequencies up to 1 MHz, allowing for compact and efficient circuit designs with smaller external components.
Typical applications for the LTC3780EG include battery-powered systems, automotive electronics, and any scenarios where maintaining a stable output voltage amidst variable input conditions is crucial.
Equivalent
1. TI's LM5118 - A wide-range buck-boost controller.
2. Maxim Integrated's MAX15019 - A high-efficiency buck-boost controller.
3. Microchip's MCP1630 - A versatile high-speed PWM controller for DC/DC conversion.
These alternatives offer similar functionality for high-efficiency power conversion applications. Always check the specific requirements of your application to ensure compatibility.
Features
1. Wide Input Voltage Range: It accommodates input voltages from 4V to 36V, supporting a variety of applications.
2. High Efficiency: It achieves efficiencies up to 98%, minimizing power loss and heat generation.
3. Adjustable Output Voltage: The output voltage is adjustable, allowing it to be tailored to specific application needs.
4. Synchronous Rectification: This feature enhances efficiency, particularly in low voltage applications, by reducing diode losses.
5. Current Mode Control: Provides fast transient response and ease of loop compensation.
6. Low Quiescent Current: Increases battery life in portable applications by reducing power consumption when idle.
7. Protection Features: Includes overcurrent, overvoltage, and overtemperature protection to ensure reliable operation.
8. Compact Package: Comes in a 16-pin SSOP package, making it suitable for space-constrained designs.
These features make the LTC3780EG ideal for applications requiring robust performance across varying power conditions.
Pinout
1. V_IN (Pin 1): Input supply voltage.
2. TG (Pin 2): Top gate drive for the high-side MOSFET.
3. SW (Pin 3): Switch node connection for the inductor.
4. BG (Pin 4): Bottom gate drive for the low-side MOSFET.
5. GND (Pin 5): Ground reference.
6. SENSE+ (Pin 6): Positive input for the current sense comparator.
7. SENSE- (Pin 7): Negative input for the current sense comparator.
8. ITH (Pin 8): Error amplifier compensation node.
9. V_FB (Pin 9): Feedback voltage input.
10. SS (Pin 10): Soft-start control.
11. RUN (Pin 11): Run control input.
12. FREQ (Pin 12): Frequency control.
13. SYNC (Pin 13): Synchronization input.
14. V_C (Pin 14): Voltage compensation.
15. DRV_CC (Pin 15): Drive for CC.
16. BOOST (Pin 16): Boost capacitor connection.
These pins support the IC's capability to control the power delivery efficiently, offering features such as overcurrent protection and thermal shutdown.
Manufacturer
Application
1. Battery-Powered Systems: Efficient power management for devices requiring both buck and boost operations.
2. Automotive Electronics: Suitable for systems that need stable power across wide input voltage ranges, like infotainment and lighting.
3. Telecommunications Equipment: Provides reliable power conversion for stable signal processing.
4. Industrial Equipment: Powers devices with fluctuating input sources, ensuring consistent output.
5. Consumer Electronics: Used in devices like laptops and portable chargers for efficient power conversion.
6. Renewable Energy Systems: Manages power in systems like solar inverters where input voltage varies.
These applications leverage the LTC3780EG’s ability to seamlessly transition between buck and boost modes.