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LTC3855EUJ#TRPBF
+BOMIC REG CTRLR BUCK 40QFN
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제조업체 부품 #LTC3855EUJ#TRPBF
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사양
| 속성 | 가치 |
| Series | PolyPhase® |
| PartStatus | Active |
| BaseProductNumber | LTC3855 |
| OutputType | Transistor Driver |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| NumberofOutputs | 2 |
| OutputPhases | 2 |
| Voltage-Supply(Vcc/Vdd) | 4.5V ~ 38V |
| Frequency-Switching | 250kHz ~ 770kHz |
| DutyCycle(Max) | 95% |
| SynchronousRectifier | Yes |
| ClockSync | No |
| ControlFeatures | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package | 40-WFQFN Exposed Pad |
| SupplierDevicePackage | 40-QFN (6x6) |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
개요
Description
The LTC3855EUJ#TRPBF is a synchronous step-down (buck) voltage regulator from Analog Devices, designed for high-efficiency power management in various applications. It features a dual-channel architecture, allowing it to regulate two output voltages simultaneously. The device operates with a wide input voltage range, typically from 4.5V to 60V, making it suitable for industrial, automotive, and telecommunications applications.
Key features include programmable output voltage, high switching frequency (up to 1MHz), and built-in current sense for improved load regulation. The LTC3855 also includes protections such as overvoltage, short-circuit, and thermal shutdown to ensure reliable operation. Its compact package and efficiency make it ideal for space-constrained designs where power loss must be minimized.
Overall, the LTC3855EUJ#TRPBF is an excellent choice for designers looking for a robust and efficient solution to power supply challenges in demanding environments.
Key features include programmable output voltage, high switching frequency (up to 1MHz), and built-in current sense for improved load regulation. The LTC3855 also includes protections such as overvoltage, short-circuit, and thermal shutdown to ensure reliable operation. Its compact package and efficiency make it ideal for space-constrained designs where power loss must be minimized.
Overall, the LTC3855EUJ#TRPBF is an excellent choice for designers looking for a robust and efficient solution to power supply challenges in demanding environments.
Equivalent
Equivalent products to the LTC3855EUJ#TRPBF chip include the Texas Instruments TPS40210, the ON Semiconductor NCP302155, and the Infineon ICE2A265M. These alternatives provide similar functionalities, including adjustable output voltage and current mode control for synchronous step-down converters. Always check specific datasheets for compatibility in application requirements.
Features
The LTC3855EUJ#TRPBF is a high-performance, dual-output step-down (buck) switching regulator controller designed by Analog Devices. Key features include:
1. Dual Outputs: Supports two independent output voltages, enabling flexible power supply designs.
2. Input Voltage Range: Operates with a wide input range from 4.5V to 60V, suitable for various applications.
3. High Efficiency: Designed for high efficiency with minimal heat generation, allowing for compact designs.
4. Current Mode Control: Offers excellent transient response and loop stability.
5. Programmable Switching Frequency: Adjustable frequency from 250kHz to 1MHz allows optimization for various applications.
6. Output Voltage Regulation: Accurate output voltage regulation with high precision.
7. Power Good Indicator: Integrated power good function provides feedback on output status.
8. Thermal Protection: Features thermal shutdown and overcurrent protection to ensure safe operation.
These characteristics make the LTC3855EUJ#TRPBF ideal for applications in industrial, automotive, and telecom power management systems.
1. Dual Outputs: Supports two independent output voltages, enabling flexible power supply designs.
2. Input Voltage Range: Operates with a wide input range from 4.5V to 60V, suitable for various applications.
3. High Efficiency: Designed for high efficiency with minimal heat generation, allowing for compact designs.
4. Current Mode Control: Offers excellent transient response and loop stability.
5. Programmable Switching Frequency: Adjustable frequency from 250kHz to 1MHz allows optimization for various applications.
6. Output Voltage Regulation: Accurate output voltage regulation with high precision.
7. Power Good Indicator: Integrated power good function provides feedback on output status.
8. Thermal Protection: Features thermal shutdown and overcurrent protection to ensure safe operation.
These characteristics make the LTC3855EUJ#TRPBF ideal for applications in industrial, automotive, and telecom power management systems.
Pinout
The LTC3855EUJ#TRPBF is a dual output synchronous step-down voltage regulator controller from Analog Devices. It features a 28-pin (TSSOP package) configuration.
Key functions include:
- Input Voltage Range: Supports input voltages from 4.5V to 60V.
- Phase Control: Allows for the interleaving of outputs to reduce input and output ripple.
- Current Sensing: Includes a current sense feature for current-limiting and control.
- Adjustable Output Voltage: Outputs can be set from 0.8V to 0.9 × VIN.
- Power Good Indicator: Monitors output voltage status.
- Soft-Start Function: Controls the voltage ramp-up during startup.
- Thermal Protection: Prevents overheating through thermal shutdown.
The LTC3855 is commonly used in applications requiring high efficiency and flexibility in power supply design, such as telecom and industrial equipment.
Key functions include:
- Input Voltage Range: Supports input voltages from 4.5V to 60V.
- Phase Control: Allows for the interleaving of outputs to reduce input and output ripple.
- Current Sensing: Includes a current sense feature for current-limiting and control.
- Adjustable Output Voltage: Outputs can be set from 0.8V to 0.9 × VIN.
- Power Good Indicator: Monitors output voltage status.
- Soft-Start Function: Controls the voltage ramp-up during startup.
- Thermal Protection: Prevents overheating through thermal shutdown.
The LTC3855 is commonly used in applications requiring high efficiency and flexibility in power supply design, such as telecom and industrial equipment.
Manufacturer
The manufacturer of the LTC3855EUJ#TRPBF is Analog Devices, Inc. Analog Devices is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company specializes in high-performance components used in various applications, including industrial automation, automotive systems, communication equipment, and consumer electronics.
The LTC3855EUJ#TRPBF is a high-performance dual step-down DC-DC controller designed for applications requiring efficient power management and regulation. Analog Devices focuses on providing innovative solutions that facilitate the conversion, processing, and transmission of signals, making it a key player in the semiconductor industry. The company is recognized for its commitment to quality and reliability, catering to a diverse range of sectors such as healthcare, aerospace, and telecommunications.
The LTC3855EUJ#TRPBF is a high-performance dual step-down DC-DC controller designed for applications requiring efficient power management and regulation. Analog Devices focuses on providing innovative solutions that facilitate the conversion, processing, and transmission of signals, making it a key player in the semiconductor industry. The company is recognized for its commitment to quality and reliability, catering to a diverse range of sectors such as healthcare, aerospace, and telecommunications.
Application
The LTC3855EUJ#TRPBF is a dual output synchronous step-down regulator designed for high-performance applications. Its primary application areas include:
1. Telecommunications: Used in power management for base stations and networking equipment.
2. Industrial Equipment: Powers various devices in automation and control systems.
3. Automotive: Suitable for powering sensors, infotainment systems, and electric vehicle components.
4. Consumer Electronics: Utilized in devices requiring efficient power supply, such as laptops and tablets.
5. Medical Devices: Employed in power circuits for medical instruments requiring reliable voltage regulation.
Its high efficiency and flexibility make it suitable for a wide range of applications.
1. Telecommunications: Used in power management for base stations and networking equipment.
2. Industrial Equipment: Powers various devices in automation and control systems.
3. Automotive: Suitable for powering sensors, infotainment systems, and electric vehicle components.
4. Consumer Electronics: Utilized in devices requiring efficient power supply, such as laptops and tablets.
5. Medical Devices: Employed in power circuits for medical instruments requiring reliable voltage regulation.
Its high efficiency and flexibility make it suitable for a wide range of applications.
Package
The LTC3855EUJ#TRPBF is available in a thermally enhanced 28-lead TSSOP package.
