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- Manufacturer: Linear Technology/Analog Devices
- NO: 84-LTC3780EG#TRPBF
- Package: 24-SSOP (0.209, 5.30mm Width)
- Datasheet:
- Stock: 2061
- Description: (Kg)
- Delivery:
- Payment:
In Stock
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| Parameters | |
|---|---|
| Factory Lead Time | 8 Weeks |
| Lifecycle Status | PRODUCTION (Last Updated: 3 weeks ago) |
| Packaging | Tape & Reel (TR) |
| Published | 2012 |
| Part Status | Active |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Number of Terminations | 24 |
| ECCN Code | EAR99 |
| Length | 8.2mm |
| RoHS Status | ROHS3 Compliant |
| Number of Pins | 24 |
| Additional Feature | ALSO OUTPUT VOLTAGE ADJUSTABLE 0.8 TO 30V |
| Package / Case | 24-SSOP (0.209, 5.30mm Width) |
| Width | 5.3mm |
| Operating Temperature | -40°C~85°C TJ |
| Technology | CMOS |
| Height Seated (Max) | 2mm |
| Max Frequency | 440kHz |
| Type | Parameter |
| JESD-609 Code | e3 |
| Terminal Finish | Terminal Finish |
| Terminal Position | DUAL |
| Terminal Form | GULL WING |
| Peak Reflow Temperature (Cel) | 260 |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Base Part Number | LTC3780 |
| Output Type | Transistor Driver |
| Surface Mount | YES |
| Terminal Pitch | 0.65mm |
| Subcategory | Switching Regulator or Controllers |
| Output Voltage | 30V |
| Number of Outputs | 1 |
| Output Current | 3A |
| Input Voltage-Nom | 15V |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Output Configuration | Positive |
| Control Mode | CURRENT-MODE |
| Input Voltage (Min) | 4V |
| Input Voltage (Max) | 36V |
| Function | Step-Up/Step-Down |
| Control Technique | PULSE WIDTH MODULATION |
| Switcher Configuration | PUSH-PULL |
| Topology | Buck-Boost |
| Max Duty Cycle | 99 % |
| Voltage - Supply (Vcc/Vdd) | 4V~30V |
| Control Features | Current Limit, Enable, Power Good, Soft Start |
| Frequency - Switching | 200kHz~400kHz |
| Synchronous Rectifier | Yes |
| Clock Sync | No |
Product Description: LTC3780EG#TRPBF
The LTC3780EG#TRPBF is a high-performance synchronous buck-boost DC-DC converter controller from Linear Technology (now part of Analog Devices Inc.). This versatile controller is designed to regulate and convert a wide range of input voltage sources to a stable output voltage, making it suitable for various power supply applications that require efficient voltage conversion and power management.
Features:
Buck-Boost Topology: The LTC3780EG#TRPBF employs a buck-boost topology, allowing it to regulate the output voltage efficiently over a wide range of input voltage levels, including voltages higher, lower, or equal to the desired output voltage.
Wide Input Voltage Range: This controller is capable of handling input voltages from significantly below the output voltage to well above it, providing flexibility for various power supply applications.
High Efficiency: The LTC3780EG#TRPBF features a synchronous rectification architecture, reducing power losses and achieving high conversion efficiency, which is essential for power-sensitive applications.
Adjustable Output Voltage: The controller allows for adjustable output voltage settings, enabling users to tailor the output to specific requirements of the application.
Soft-Start and Current Limit: It includes soft-start circuitry, preventing excessive inrush current during startup, and a programmable current limit to protect the system from overloading conditions.
Constant Frequency PWM Operation: The controller operates in a constant frequency pulse-width modulation (PWM) mode, providing stable and predictable output voltage regulation.
External Compensation: The device offers external compensation pins, allowing users to optimize the control loop for their specific application requirements.
Fault Protection: The LTC3780EG#TRPBF incorporates various protection features, including overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown, ensuring the safety and reliability of the power supply.
Applications:
The LTC3780EG#TRPBF DC-DC converter controller is widely used in power supply applications that require versatile voltage regulation and efficient power conversion. Some typical applications include:
Battery Charging Systems: It is commonly used in battery charging systems for portable devices, electric vehicles, and renewable energy systems.
Power Banks: The controller can be found in power banks, allowing efficient power conversion between battery voltage and the output voltage required for charging various electronic devices.
Industrial Power Supplies: It is suitable for industrial power supplies that require stable output voltage, such as in factory automation, robotics, and motor control.
Automotive Power Systems: The controller is utilized in automotive power systems, including automotive LED lighting, infotainment systems, and accessory power supplies.
LED Drivers: It can be used in LED drivers to provide stable and efficient voltage regulation for LED lighting applications.
Telecom and Networking Equipment: The LTC3780EG#TRPBF is well-suited for power supplies in telecom and networking equipment that require reliable and efficient voltage conversion.
In summary, the LTC3780EG#TRPBF is a highly versatile synchronous buck-boost DC-DC converter controller designed to efficiently regulate and convert input voltages to a stable output voltage. With a wide input voltage range, adjustable output voltage, and high efficiency, this controller is suitable for various power supply applications, including battery charging systems, power banks, industrial power supplies, LED drivers, and automotive power systems. Its fault protection features and external compensation pins enhance its safety, flexibility, and performance, making it a robust choice for power management needs.
