LTC3411EDD

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LTC3411EDD

+Nomenclature

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Spécifications

Attribut Valeur
Package / Case DFN-10
Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 85 C
Series LTC3411
Brand Analog Devices
Product Type Switching Voltage Regulators
Subcategory PMIC - Power Management ICs
Mounting Style SMD/SMT
Shipping Restrictions Mouser does not presently sell this product in your region.
Operating Supply Current 62 uA
Topology Buck
Output Voltage 800 mV to 5 V
Output Current 1.25 A
Number of Outputs 1 Output
Input Voltage - Min 2.5 V
Input Voltage - Max 5.5 V
Switching Frequency 4 MHz

Présentation

Description

The LTC3411EDD is a high-efficiency, step-down (buck) DC-DC converter from Analog Devices' Linear Technology product line. It is designed to provide a regulated output voltage from a higher input voltage source. The device supports a wide input voltage range (typically from 2.3V to 15V) and can deliver output currents up to 1.5A.
The LTC3411EDD features a low quiescent current, making it suitable for battery-operated devices. It employs a current-mode control architecture, which enhances transient response and stability. The converter also includes a built-in power switch, synchronous rectification for improved efficiency, and a programmable frequency feature for reduced noise and better performance.
Applications for the LTC3411EDD include portable devices, telecommunications, and any electronics requiring efficient power conversion. Its compact package and high-performance characteristics make it ideal for applications where space and efficiency are critical. Overall, the LTC3411EDD is a versatile component for power management in various electronic designs.

Equivalent

The LTC3411EDD is a step-down DC-DC converter. Equivalent products include the TPS562200 from Texas Instruments, the LM3671 from Texas Instruments, the MCP16331 from Microchip, and the MAX17632 from Analog Devices. These alternatives offer similar voltage and current specifications, making them suitable substitutes for various applications requiring efficient power conversion. Always check the specific datasheets for detailed compatibility and performance characteristics.

Features

The LTC3411EDD is a high-efficiency, synchronous step-down DC-DC converter designed for low voltage applications. Key features include:
1. Input Voltage Range: Operates from 2.5V to 5.5V, suitable for a variety of power sources.
2. Output Voltage: Adjustable output voltage down to 0.8V with a feedback voltage accuracy of ±1.5%.
3. High Efficiency: Up to 95% efficiency, minimizing thermal management requirements.
4. Current Limit: Internal current limiting protects against overcurrent conditions.
5. Switching Frequency: Configurable between 500kHz and 1.5MHz, enabling the use of small external components.
6. Soft-Start: Integrated soft-start function reduces inrush current during startup.
7. Load Regulation: Excellent load and line regulation characteristics.
8. Thermal Shutdown: Protects the device under high-temperature conditions.
9. Package: Available in a 12-lead 3mm × 3mm DFN package, which is space-efficient.
These features make the LTC3411EDD suitable for powering processors, FPGAs, and other digital circuits requiring low voltage and high efficiency.

Pinout

The LTC3411EDD is a step-down (buck) DC/DC converter from Analog Devices (formerly Linear Technology). It has a pin count of 12.
Pin Functions:
1. SW - Switch node; connects to the inductor.
2. VIN - Input voltage; supplies power to the IC.
3. GND - Ground reference.
4. VOUT - Output voltage; connects to the load.
5. FB - Feedback; senses output voltage for regulation.
6. COMP - Compensation; used to stabilize the control loop.
7. RUN - Enable; turns the converter on or off.
8. SS - Soft-start; controls the startup time.
9. PG - Power good; indicates when the output is within regulation.
10. LIM - Current limit; sets peak switch current limit.
11. SENSE - Current sense; for monitoring output current.
12. TSD - Thermal shutdown; protects against overheating.
This IC is designed for high efficiency and compact designs in portable applications.

Manufacturer

The LTC3411EDD is manufactured by Analog Devices, Inc. Analog Devices is a multinational company that specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company designs and manufactures a wide range of semiconductor solutions for various applications, including communication, instrumentation, automotive, and industrial markets.
The LTC3411EDD is a synchronous step-down DC/DC converter, known for its efficiency and compact design, making it suitable for powering portable devices and other applications requiring a reliable power supply. Analog Devices has a strong reputation for innovation in the field of signal processing and power management, serving customers globally with high-quality products and solutions.

Application

The LTC3411EDD is a buck converter primarily used in applications requiring efficient voltage regulation. Its application areas include:
1. Portable Electronics: Powering smartphones, tablets, and handheld devices.
2. Consumer Electronics: Supplying power to cameras, gaming devices, and wearables.
3. Industrial Systems: Providing stable voltage for sensors and control circuits.
4. Telecommunications: Powering RF amplifiers and communication equipment.
5. Automotive Electronics: Supporting infotainment systems and battery management.
6. Data Acquisition Systems: Ensuring reliable power for microcontrollers and processing units.
Its high efficiency and compact design make it suitable for battery-operated applications.

Package

The LTC3411EDD is housed in a 16-lead TSSOP (Thin Shrink Small Outline Package) package.

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