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LTC3869EUFD#TRPBF
IC REG CTRLR BUCK 28QFN
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- 資料表 LTC3869EUFD#TRPBF DataSheet
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規格
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| NumberofOutputs | 2 |
| OutputPhases | 2 |
| Voltage-Supply(Vcc/Vdd) | 4V ~ 38V |
| Frequency-Switching | 250kHz ~ 780kHz |
| DutyCycle(Max) | 95% |
| SynchronousRectifier | Yes |
| ClockSync | No |
| ControlFeatures | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 28-WFQFN Exposed Pad |
概述
Description
The LTC3869EUFD#TRPBF is a dual, two-phase synchronous step-down DC/DC controller designed by Analog Devices. It is optimized for high efficiency and performance in power supply applications. The device can efficiently convert a wide input voltage range into a lower output voltage, making it suitable for a variety of electronics applications, including computing, telecommunications, and industrial equipment.
Key features of the LTC3869EUFD#TRPBF include:
1. Dual-Phase Operation: Improves efficiency and reduces component size by interleaving two phases.
2. Wide Input Voltage Range: Typically supports a broad input range, making it versatile for different power sources.
3. High Efficiency: Synchronous rectification enhances efficiency, reducing thermal management requirements.
4. Current Sharing: Ensures balanced current distribution between phases and improves reliability.
5. Adjustable Frequency: Allows customization of the switching frequency to optimize performance.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and under-voltage lockout to enhance safety and reliability.
The LTC3869EUFD#TRPBF is typically used in applications requiring efficient power management and robust performance under varying load conditions.
Key features of the LTC3869EUFD#TRPBF include:
1. Dual-Phase Operation: Improves efficiency and reduces component size by interleaving two phases.
2. Wide Input Voltage Range: Typically supports a broad input range, making it versatile for different power sources.
3. High Efficiency: Synchronous rectification enhances efficiency, reducing thermal management requirements.
4. Current Sharing: Ensures balanced current distribution between phases and improves reliability.
5. Adjustable Frequency: Allows customization of the switching frequency to optimize performance.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and under-voltage lockout to enhance safety and reliability.
The LTC3869EUFD#TRPBF is typically used in applications requiring efficient power management and robust performance under varying load conditions.
Features
The LTC3869EUFD#TRPBF is a dual-output, synchronous step-down DC/DC controller designed by Analog Devices (formerly Linear Technology). Key features include:
1. Dual Output: It supports two independent output voltages, offering flexibility for multi-rail systems.
2. High Efficiency: Synchronous rectification ensures high efficiency, suitable for power-sensitive applications.
3. Wide Input Voltage Range: It operates over a broad input voltage range, making it versatile for different power sources.
4. Current Mode Control: This feature provides excellent transient response and simplifies loop compensation.
5. Adjustable Switching Frequency: The controller allows the switching frequency to be set between 250kHz and 780kHz, enabling optimization for efficiency or size.
6. Phase-Lock Loop (PLL) Synchronization: It can synchronize with an external clock, beneficial for systems requiring precise control over switching times.
7. Soft-Start Functionality: The adjustable soft-start reduces inrush current during startup.
8. Output Overvoltage Protection: It safeguards the load against excessive voltage levels.
9. Thermal Shutdown: Protects against overheating by shutting down the controller when a certain temperature threshold is exceeded.
These features make the LTC3869EUFD#TRPBF suitable for applications in telecommunications, computers, and industrial equipment where efficient power conversion is critical.
1. Dual Output: It supports two independent output voltages, offering flexibility for multi-rail systems.
2. High Efficiency: Synchronous rectification ensures high efficiency, suitable for power-sensitive applications.
3. Wide Input Voltage Range: It operates over a broad input voltage range, making it versatile for different power sources.
4. Current Mode Control: This feature provides excellent transient response and simplifies loop compensation.
5. Adjustable Switching Frequency: The controller allows the switching frequency to be set between 250kHz and 780kHz, enabling optimization for efficiency or size.
6. Phase-Lock Loop (PLL) Synchronization: It can synchronize with an external clock, beneficial for systems requiring precise control over switching times.
7. Soft-Start Functionality: The adjustable soft-start reduces inrush current during startup.
8. Output Overvoltage Protection: It safeguards the load against excessive voltage levels.
9. Thermal Shutdown: Protects against overheating by shutting down the controller when a certain temperature threshold is exceeded.
These features make the LTC3869EUFD#TRPBF suitable for applications in telecommunications, computers, and industrial equipment where efficient power conversion is critical.
Package
The LTC3869EUFD#TRPBF is a dual, synchronous step-down DC/DC controller from Analog Devices. It comes in a 4mm x 5mm 28-lead plastic QFN (Quad Flat No-leads) package, which is compact and suitable for space-constrained applications. The package is designed for efficient thermal performance and easy mounting on PCBs.
Pinout
The LTC3869EUFD#TRPBF is a dual output, current mode synchronous step-down switching regulator controller. It is designed to drive all N-channel synchronous power MOSFETs. This device is often used for applications requiring high efficiency and compact design.
The LTC3869EUFD#TRPBF is packaged in a 28-lead (pin) 4mm × 5mm plastic QFN package. It features a wide input voltage range, output voltage tracking, and a constant frequency current-mode architecture that provides excellent line and load transient response.
Key functions of the LTC3869 include:
- Dual output synchronous step-down controller.
- Wide input voltage range compatibility.
- Output voltage tracking capability.
- Current mode control for fast transient response.
- Frequency synchronization with an external clock.
- Programmable soft-start and output over-voltage protection.
These features make it suitable for a broad range of applications in telecommunications, data processing, industrial, and other electronics requiring efficient power management solutions.
The LTC3869EUFD#TRPBF is packaged in a 28-lead (pin) 4mm × 5mm plastic QFN package. It features a wide input voltage range, output voltage tracking, and a constant frequency current-mode architecture that provides excellent line and load transient response.
Key functions of the LTC3869 include:
- Dual output synchronous step-down controller.
- Wide input voltage range compatibility.
- Output voltage tracking capability.
- Current mode control for fast transient response.
- Frequency synchronization with an external clock.
- Programmable soft-start and output over-voltage protection.
These features make it suitable for a broad range of applications in telecommunications, data processing, industrial, and other electronics requiring efficient power management solutions.
Manufacturer
The manufacturer of the LTC3869EUFD#TRPBF is Analog Devices, Inc. It is a multinational semiconductor company that specializes in designing and manufacturing a wide range of analog, mixed-signal, and digital signal processing integrated circuits used in electronic equipment. The company serves various industries, including communications, consumer electronics, industrial, automotive, and healthcare. Analog Devices is known for its high-performance products that are used in applications requiring precise measurement, processing, and control of signals.
Application
The LTC3869EUFD#TRPBF is a dual-output, high-efficiency synchronous step-down DC/DC controller. It is commonly used in applications such as telecommunications, networking, industrial systems, and automotive electronics. It is ideal for systems requiring high power density and precise voltage regulation, including servers, storage systems, and embedded computing. Its ability to deliver high efficiency and reliable performance makes it suitable for power management in a wide range of electronic devices and systems.
Equivalent
The LTC3869EUFD#TRPBF is a dual-output, synchronous step-down DC/DC controller. Equivalent products could include the TI TPS40422, Maxim MAX17503, and ADI's ADP1850. These devices offer similar functionalities, such as dual outputs and synchronous rectification, making them suitable alternatives in power management applications. Always ensure compatibility with your specific requirements before substituting components.
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