LT3976EMSE

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LT3976EMSE

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Attribut Wert
Brand Analog Devices
ProductType Switching Voltage Regulators
Subcategory PMIC - Power Management ICs
MountingStyle SMD/SMT
Package/Case MSOP-16
MinimumOperatingTemperature - 40 C
MaximumOperatingTemperature + 125 C
Topology Buck
OutputVoltage 1.197 V to 38.8 V
OutputCurrent 5 A
NumberofOutputs 1 Output
InputVoltage-Min 4.3 V
InputVoltage-Max 40 V
SwitchingFrequency 2.25 MHz
ShippingRestrictions Mouser does not presently sell this product in your region.
QuiescentCurrent 3.3 uA
Series LT3976
OperatingSupplyCurrent 1.6 uA

Übersicht

Description

The LT3976EMSE is a high-efficiency, monolithic step-down voltage regulator designed by Analog Devices. It features a 60V input voltage range, making it suitable for a variety of industrial applications, including automotive and telecommunications. This regulator can deliver up to 1.5A of output current, with an adjustable output voltage down to 1.2V.
Key features include an integrated switch, low quiescent current, and built-in thermal shutdown for enhanced reliability. The device supports frequency synchronization and has an adjustable switching frequency, allowing for optimization based on application needs. Additionally, it incorporates a soft-start feature to minimize inrush current during startup.
The LT3976EMSE is packaged in a compact surface-mount form factor, facilitating easy integration into designs. With its robust performance and versatility, it is ideal for powering microcontrollers, sensors, and other peripherals in demanding environments.

Equivalent

Equivalent products to the LT3976EMSE include the TPS563201 from Texas Instruments, the LM2596 from Texas Instruments, and the MIC2282 from Micrel. These alternatives provide similar functionality in step-down (buck) voltage regulation, suitable for various applications requiring efficient power management. Always verify specifications and compatibility for your specific use case.

Features

The LT3976EMSE is a high-efficiency, step-down (buck) switching regulator from Analog Devices. Key features include:
1. Wide Input Voltage Range: Operates from 4V to 60V, accommodating a variety of power sources.
2. Output Current: Delivers up to 3A of continuous output current.
3. High Efficiency: Achieves efficiencies over 95% to minimize thermal dissipation.
4. Low Quiescent Current: Features a low quiescent current of about 15µA in sleep mode, enhancing battery life in portable applications.
5. Adjustable Output Voltage: Output voltage can be set from 0.8V to 15V via external resistors.
6. Built-in Protection Features: Includes thermal shutdown, current limit, and under-voltage lockout for enhanced reliability.
7. Power Good Indicator: Provides a power good signal to monitor output status.
8. Compact Package: Available in a thermally enhanced MSOP-16 package, suitable for space-constrained designs.
These features make the LT3976EMSE ideal for various applications, including automotive, industrial, and telecommunications.

Pinout

The LT3976EMSE is a high-voltage step-down regulator from Analog Devices with a pin count of 20. It is designed for efficient power conversion in various applications.
Key functions of the pins include:
1. VIN: Input voltage supply.
2. GND: Ground connection.
3. SW: Switch node connection for inductor.
4. VOUT: Output voltage.
5. COMP: Compensation network connection for stability.
6. FB: Feedback input for voltage regulation.
7. Rset: Resistor connection for output voltage setting.
8. SS: Soft-start pin to control startup time.
9. SYNC: Synchronization pin for external clock.
10. PG: Power good indicator.
11. ILIM: Current limit adjustment.
The LT3976 supports a wide input voltage range and features low quiescent current, making it suitable for battery-powered and automotive applications.

Manufacturer

The LT3976EMSE is manufactured by Analog Devices, Inc. Analog Devices is a prominent American multinational semiconductor company that specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). Founded in 1965, the company provides a wide range of solutions for various applications, including automotive, industrial, communications, and consumer electronics.
The LT3976 is a high-efficiency, step-down (buck) regulator designed for applications requiring a compact power solution with a high output current capability. Analog Devices is recognized for its innovative technologies and products that enable high-performance signal processing and conversion, making it a key player in the semiconductor industry. The company's focus on research and development allows it to stay at the forefront of technology, serving markets that demand precision and reliability in their electronic components.

Application

The LT3976EMSE is a high-efficiency step-down DC-DC converter primarily used in applications requiring compact, low-power solutions. Key application areas include battery-powered devices, portable electronics, point-of-load regulation for FPGA and DSP, automotive systems, industrial control systems, and telecom equipment. Its features, such as wide input voltage range, low quiescent current, and adjustable output voltage, make it suitable for powering sensors, microcontrollers, and other digital circuits in consumer and industrial markets. Additionally, it can be utilized in LED drivers and power supply modules where efficiency and size constraints are critical.

Package

The LT3976EMSE is packaged in a 16-lead MSOP (Thin Shrink Small Outline Package) with a 3 mm × 3 mm footprint. This package type is designed for compact applications requiring efficient thermal management and space-saving solutions in electronic circuits.

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