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LT3505EDD
+BOMSwitching Voltage Regulators LT3505 - 1.2A, Step-Down Switching Regulator in 3mm x 3mm DFN
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제조업체아날로그 장치
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제조업체 부품 #LT3505EDD
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데이터시트 LT3505EDD DataSheet
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재고7747
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사양
| 속성 | 가치 |
개요
Description
Key features of the LT3505EDD include a high switching frequency of up to 2.2MHz, allowing for the use of smaller external components and minimizing the overall solution size. It also offers a low dropout operation, ensuring continued regulation even when the input voltage approaches the output voltage. The LT3505EDD is equipped with an internal 0.4Ω power switch, current-mode control, and a soft-start feature to prevent inrush current during startup. Its thermally enhanced 10-lead DFN (3mm x 3mm) package provides efficient heat dissipation, making it suitable for compact and high-density circuit designs. This regulator is commonly used in automotive, industrial, and distributed power systems.
Equivalent
1. Texas Instruments: LMR14006, LM2675
2. Microchip Technology: MCP16331, MCP16251
3. ON Semiconductor: NCP3170, NCP3063
4. Maxim Integrated: MAX5035, MAX17504
It's critical to compare specifications like input voltage, output current, efficiency, and package type to ensure they meet your application requirements.
Features
1. Input Voltage Range: Operates from a wide input voltage range of 3.6V to 36V, making it suitable for various applications, including automotive and industrial settings.
2. Output Voltage: Capable of delivering an adjustable output voltage as low as 0.8V, with high accuracy.
3. Output Current: Supports up to 1.4A of continuous output current.
4. Efficiency: Offers high efficiency, often exceeding 90%, which reduces heat dissipation and improves performance.
5. Switching Frequency: Features a programmable switching frequency up to 2.2MHz, allowing for a compact design with smaller external components.
6. Synchronization: Includes the ability to synchronize with an external clock, enhancing design flexibility.
7. Protection Features: Equipped with short-circuit protection, thermal shutdown, and soft-start capabilities to ensure reliable operation under various conditions.
8. Package: Available in a compact 10-lead DFN package, facilitating space-efficient designs.
These features make the LT3505EDD an ideal choice for power supply applications requiring compactness and efficiency.
Pinout
1. VIN: Input voltage supply.
2. SW: Switch node, connects to the inductor.
3. PGND: Power ground for the internal switch.
4. TG: Bootstrapped driver supply for the top gate.
5. BG: Bottom gate driver supply.
6. VCC: Internal supply voltage decoupling.
7. RUN/SS: Run control and soft-start.
8. FB: Feedback input for output voltage regulation.
9. RT: Timing resistor for setting the switching frequency.
10. VC: Compensation node for loop stability.
These pins are used together to configure the regulator for specific applications, allowing it to convert a higher input voltage to a regulated lower output voltage efficiently.