LTC3411EMS#TRPBF

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LTC3411EMS#TRPBF

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IC REG BUCK BST ADJ 1.25A 10MSOP

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Thông số kỹ thuật

thuộc tính Giá trị
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
Function Step-Down, Step-Up/Step-Down
Output Configuration Positive
Topology Buck, Buck-Boost
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 2.625V
Voltage - Input (Max) 5.5V
Voltage - Output (Min/Fixed) 0.8V
Voltage - Output (Max) 5V
Current - Output 1.25A
Frequency - Switching 1MHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount

Tổng quan

Description

The LTC3411EMS#TRPBF is a high-efficiency, monolithic synchronous step-down DC/DC converter designed by Analog Devices, formerly Linear Technology. It is capable of delivering up to 1.25A of output current from a 2.25V to 5.5V input voltage range, making it suitable for portable electronic devices and battery-powered applications. The device operates at a fixed frequency of 1.5MHz, allowing for the use of small, low-cost external components. It features an internal synchronous switch, eliminating the need for an external Schottky diode, which helps improve efficiency, especially at low output voltages. Key features include low dropout operation, 100% duty cycle capability, and low quiescent current, which extends battery life. The LTC3411EMS#TRPBF also includes soft-start, current limit, and thermal overload protection. It is housed in a compact, thermally enhanced MSOP-10 package, suitable for space-constrained designs. Overall, the LTC3411EMS#TRPBF provides a compact and efficient solution for step-down conversion in various applications.

Equivalent

The LTC3411EMS#TRPBF is a high-efficiency, monolithic synchronous step-down regulator. Equivalent products include the Texas Instruments TPS62060, the Microchip MCP16311, the Maxim Integrated MAX17080, and Analog Devices ADP2300. When choosing an equivalent, ensure the specifications such as input voltage range, output current capability, efficiency, and package type match your requirements. Always check the detailed datasheets to ensure compatibility with your application.

Features

The LTC3411EMS#TRPBF is a high-efficiency, monolithic synchronous step-down DC-DC converter. It operates with an input voltage range of 2.25V to 5.5V, making it suitable for single-cell Li-Ion or multi-cell NiMH/alkaline applications. The device can deliver up to 1.25A of continuous output current with adjustable output voltage as low as 0.8V. Key features include a high switching frequency of up to 4MHz, allowing the use of small inductors and capacitors for a compact design. The converter utilizes a current mode architecture, providing fast transient response and excellent loop stability.
Additional features include Burst Mode operation for high efficiency at light loads, 100% duty cycle operation for low dropout, and internal compensation to simplify the design process. The LTC3411EMS#TRPBF also includes cycle-by-cycle current limit, thermal shutdown, and soft-start. It is housed in a thermally enhanced 10-lead MSOP package with a low profile, making it suitable for space-constrained applications. Its Pb-free designation indicates compliance with RoHS standards for environmental safety.

Pinout

The LTC3411EMS#TRPBF is a high-efficiency monolithic synchronous step-down regulator from Analog Devices. It comes in a 16-lead MSOP package with an exposed pad, which is used for heat dissipation. This device provides a compact and efficient solution for applications requiring a step-down voltage regulator. The pin functions include:
1. SW: Switch Node
2. PVIN: Input Supply Pin
3. SVIN: Signal Input Supply Pin
4. RUN/SS: Run Control and Soft-Start
5. PGOOD: Power Good Indicator
6. FREQ: Switching Frequency Control
7. RT: Timing Resistor
8. SYNC/MODE: Synchronization and Mode Selection
9. GND: Ground
10. FB: Feedback Input
11. ISET: Current Limit Set
12. COMP: Compensation Node
13. VOUT: Output Voltage Sense
This setup enables the LTC3411EMS#TRPBF to effectively step down high input voltages to lower output voltages with high efficiency, making it suitable for various power management applications.

Manufacturer

The LTC3411EMS#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company is known for its high-performance products used in a wide range of applications, including industrial automation, automotive electronics, communications, healthcare, and consumer electronics. Analog Devices provides solutions that enable the measurement, interpretation, and processing of real-world phenomena, often focusing on signal processing technology.

Application

The LTC3411EMS#TRPBF is a high-efficiency, monolithic synchronous step-down regulator. It is commonly used in various applications such as powering portable electronics, handheld devices, and wireless communication equipment. Its compact size and efficient power conversion make it suitable for battery-powered applications. Additionally, it is used in distributed power systems, point-of-load regulation, and industrial and medical equipment that require efficient power management. The device's wide input voltage range and low output voltage capability make it versatile for different electronic systems.

Package

The LTC3411EMS#TRPBF is a step-down switching regulator IC from Analog Devices, formerly Linear Technology. It comes in an MSOP-10 package, which is a Mini Small Outline Package with 10 leads, and features a thermally enhanced design for efficient heat dissipation. The "#TRPBF" suffix indicates it is RoHS compliant and comes in a tape-and-reel format for automated assembly.

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