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Product Details: LTC3769EFE#PBF

The LTC3769EFE#PBF is a high-performance synchronous step-up DC/DC controller manufactured by Linear Technology, a well-known leader in the semiconductor industry. This advanced controller offers a wide range of features and capabilities, making it a versatile solution for various power management and voltage regulation applications.

Key Features:

1. High Efficiency Operation: The LTC3769EFE#PBF offers high efficiency due to its synchronous rectification architecture, making it suitable for battery-powered devices and applications where power conservation is critical.

2. Wide Input Voltage Range: With a wide input voltage range from 4V to 60V, this controller is adaptable to a broad range of power sources, including batteries, automotive power systems, and industrial supplies.

3. Output Voltage Flexibility: The controller allows flexibility in setting the desired output voltage, making it suitable for different loads and applications.

4. Power Good Indicator: The device features a Power Good (PG) indicator to signal when the output voltage is within the desired range, enhancing system reliability and fault detection.

5. Precision Voltage Reference: It includes a precision voltage reference to ensure accurate and stable regulation of the output voltage.

6. Adaptive On-Time Control: The LTC3769EFE#PBF employs adaptive on-time control to optimize performance under varying load conditions and maintain high efficiency.

7. High Switching Frequency: With a high switching frequency of up to 1MHz, this controller can help reduce the size of external components, making it suitable for compact designs.

8. Protection Features: The controller is equipped with multiple protection features, including overvoltage and overcurrent protection, to safeguard connected devices and prevent damage in case of unexpected events.

9. Thermal Shutdown: The device features a thermal shutdown mechanism to prevent overheating, ensuring system reliability and safety.

10. Compact Package: Housed in a compact 20-lead TSSOP package, the LTC3769EFE#PBF is ideal for space-constrained applications.

Applications:

The LTC3769EFE#PBF is a versatile controller suitable for a wide range of applications, including but not limited to:

• Automotive Power Supplies: Use it in automotive power supplies and voltage regulation systems to ensure stable power for critical electronic components.

• Industrial Automation: It is suitable for industrial automation systems where a wide input voltage range and high efficiency are essential.

• Telecommunications: Incorporate the controller into telecommunications equipment, such as base stations, to efficiently manage power conversion.

• Battery-Powered Devices: Ideal for portable and battery-powered devices like laptops, tablets, and handheld instruments, where efficient power management is crucial for extended battery life.

• Power over Ethernet (PoE) Systems: Use it to regulate power in PoE systems, providing consistent and reliable power to connected devices.

• Renewable Energy Systems: The LTC3769EFE#PBF is well-suited for renewable energy systems, including solar inverters and wind energy converters, to efficiently manage power conversion.

Pin Configuration:

The LTC3769EFE#PBF is presented in a 20-lead TSSOP package, with the following pin configuration:

1. N/C: No connection.
2. FB: Feedback input.
3. VSENSE-: Negative input for voltage sense.
4. N/C: No connection.
5. N/C: No connection.
6. N/C: No connection.
7. VOUT: Regulated output voltage.
8. N/C: No connection.
9. N/C: No connection.
10. BST: Bootstrapped supply voltage for the high-side gate driver.
11. VCC: Controller supply voltage.
12. PGND: Power ground.
13. SW: Switch node, high-side driver output.
14. LGATE: Low-side gate driver output.
15. VCC: Controller supply voltage.
16. RT/CLKOUT: Adjustable oscillator frequency or synchronization input.
17. SYNC/CLKIN: Synchronization input or clock input.
18. VOUT: Regulated output voltage.
19. NC/SD: No connection or shutdown input.
20. VIN: Input voltage.

How to Use:

1. Connect the VIN pin to your input voltage source, ensuring it falls within the specified input voltage range.

2. Connect the SW pin to the high-side switch in your power circuit.

3. Connect the LGATE pin to the low-side gate driver for synchronous rectification.

4. Use the FB pin for feedback to set the desired output voltage.

5. Connect the PGND, VCC, and GND pins as appropriate to supply power and establish the ground reference for your circuit.

6. Implement necessary external components for voltage regulation and protection.

Ordering Information:

When ordering the LTC3769EFE#PBF, please refer to the following part number:

LTC3769EFE#PBF

Package Contents:

• Each order includes one LTC3769EFE#PBF synchronous step-up DC/DC controller.

• Datasheets and application notes are available on the Linear Technology website for comprehensive technical information.

Conclusion:

The LTC3769EFE#PBF, manufactured by Linear Technology, is a highly efficient synchronous step-up DC/DC controller designed to offer voltage regulation and power management in a wide range of applications. With features such as wide input voltage range, adaptive on-time control, and comprehensive protection mechanisms, it is a dependable choice for systems demanding reliable power conversion. Count on Linear Technology's expertise and reputation for quality, and consider the LTC3769EFE#PBF for your next project, ensuring efficient and stable power management.

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