LM25011MY

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LM25011MY

Switching Voltage Regulators 6-42V Wide Vin, 2A Constant-On Time Buck Regulator with Adjustable Current Limit 10-HVSSOP

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  • Mfr. Partie #LM25011MY
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Spécifications

Vue d'ensemble

Description

The LM25011MY is a high-voltage, step-down (buck) switching regulator designed for applications requiring efficient power conversion. It operates with an input voltage range of 4.5V to 60V, making it suitable for a variety of power supply applications, including automotive and industrial systems.
Key features include a switching frequency of up to 1 MHz, which allows for the use of smaller inductors and capacitors, enhancing the design's compactness. The LM25011MY also includes built-in protection features such as thermal shutdown, current limit, and undervoltage lockout, ensuring reliable operation under varying conditions.
Its adjustable output voltage capability, along with an internal compensation scheme, enables designers to optimize performance for specific loads. Additionally, the device supports both forced PWM and pulse skipping modes for improved efficiency across a wide load range.
Overall, the LM25011MY is an effective solution for converting high input voltages to lower output levels with minimal power loss, making it ideal for energy-sensitive applications.

Features

The LM25011MY is a high-performance, step-down voltage regulator designed for a range of applications. Key features include:
1. Input Voltage Range: Typically accepts input voltages from 4.5V to 60V, allowing for versatile power supply options.
2. Output Voltage: Capable of providing adjustable output voltages, typically down to 1.2V.
3. High Efficiency: Delivers up to 95% efficiency, reducing heat generation and enhancing battery life in portable applications.
4. Current Capability: Supports output currents of up to 1.5A, suitable for various power demands.
5. Integrated Switch: Contains an integrated high-side N-channel MOSFET, simplifying design.
6. Protection Features: Includes overcurrent protection, thermal shutdown, and under-voltage lockout to enhance reliability.
7. Switching Frequency: Operates at a selectable frequency (up to 1 MHz), allowing for smaller external components.
These features make the LM25011MY ideal for industrial, automotive, and consumer electronics applications requiring efficient power management.

Package

The LM25011MY is packaged in a TO-263 surface-mount package. This type of package is designed for easy soldering and heat dissipation, providing a robust solution for power management applications.

Pinout

The LM25011MY is a high-voltage step-down (buck) regulator with a pin count of 16. It is designed for applications requiring high efficiency and compact size. The primary functions of its pins include:
1. VIN (Pin 1): Input voltage supply.
2. SW (Pin 2): Switch node.
3. GND (Pin 3): Ground connection.
4. BOOT (Pin 4): Bootstrapping for high-side gate drive.
5. PH (Pin 5): Phase node.
6. COMP (Pin 6): Compensation for the control loop.
7. ISEN+ (Pin 7): Positive input for current sense.
8. ISEN- (Pin 8): Negative input for current sense.
9. CSN (Pin 9): Current sense negative.
10. CSN (Pin 10): Current sense positive.
11. FB (Pin 11): Feedback voltage input.
12. RAMP (Pin 12): Ramp compensation.
13. LIM (Pin 13): Current limit set.
14. SYN (Pin 14): Synchronization input.
15. RT (Pin 15): Frequency setting resistor.
16. SS (Pin 16): Soft start control.
These pins facilitate essential functions for efficient power conversion and regulation in various electronic applications.

Manufacturer

The LM25011MY is manufactured by Texas Instruments (TI), a global semiconductor company headquartered in Dallas, Texas. Texas Instruments designs and produces a wide range of analog and digital semiconductor devices, including integrated circuits (ICs) for various applications such as computing, automotive, industrial, and consumer electronics. Known for its innovation and extensive portfolio, TI focuses on providing high-performance solutions that enable efficient electronic designs. The company is also recognized for its commitment to research and development, contributing to advancements in technology across multiple sectors.

Application

The LM25011MY is a high-voltage, step-down switching regulator primarily used in applications such as power supply for industrial automation, automotive electronics, LED drivers, and telecom equipment. Its features make it suitable for powering microcontrollers, sensors, and various embedded systems where efficient voltage regulation is required in a compact design.

Equivalent

The LM25011MY is a step-down voltage regulator. Equivalent products include the LM2596, LM2675, and LM2676 from Texas Instruments. Other alternatives are the TPS54331 and MIC217, which also provide similar functions in DC-DC conversion applications. Ensure to check specifications for voltage, current ratings, and package types for compatibility.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

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