LM25007SD

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LM25007SD

IC REG BUCK ADJ 500MA 8WSON

  • Fabricant
  • Mfr. Partie #LM25007SD
  • Paquet
  • Fiche de données
  • En stock5840

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Spécifications

Part Status Obsolete
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 9V
Voltage - Input (Max) 42V
Voltage - Output (Min/Fixed) 2.5V
Voltage - Output (Max) 37V
Current - Output 500mA
Frequency - Switching Up to 800kHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 8-WDFN Exposed Pad
Supplier Device Package 8-WSON (4x4)
Base Product Number LM25007

Vue d'ensemble

Description

The LM25007SD is a high-performance, step-down voltage regulator designed for DC-DC conversion applications. It features a current mode control architecture, which ensures stable operation across a wide range of output loads. With an input voltage range of 4.5V to 60V, it can efficiently step down higher voltages to two adjustable output voltages, making it suitable for various applications, including automotive, industrial, and telecom.
The LM25007SD offers a maximum output current of up to 7A, with built-in protections such as thermal shutdown, overcurrent protection, and undervoltage lockout. Its switching frequency can be set between 100 kHz and 1 MHz, allowing for design flexibility and optimization of the external components to achieve desired efficiency and footprint.
This regulator is packaged in a thermally enhanced 8-pin SOIC package, facilitating easier thermal management. Overall, the LM25007SD is an ideal choice for applications requiring high efficiency and reliability in compact designs.

Features

The LM25007SD is a high-efficiency buck converter designed for power management applications. Key features include:
1. Input Voltage Range: Operates from 4.5V to 60V, making it suitable for a variety of power sources.
2. Output Current: Capable of delivering up to 3A of continuous output current, supporting demanding applications.
3. Adjustable Output Voltage: Output voltage can be set from 1.2V to 55V using external resistors.
4. Integrated High-Side Switch: Incorporates a high-performance N-channel MOSFET, reducing external component count.
5. High Efficiency: Achieves efficiencies up to 95%, enhancing thermal performance and battery life.
6. Switching Frequency: Features a programmable switching frequency of up to 1MHz, allowing for smaller inductors and capacitors.
7. Protection Features: Includes over-current protection, thermal shutdown, and under-voltage lockout to ensure reliability.
8. Thermal Performance: Designed for low thermal resistance, facilitating efficient heat dissipation.
These features make the LM25007SD ideal for automotive, industrial, and consumer electronics power supply applications.

Package

The LM25007SD is packaged in a 16-lead HTSSOP (Thin Shrink Small Outline Package) format. This package type is designed for compact applications, providing efficient thermal performance and space-saving benefits.

Pinout

The LM25007SD is a highly integrated DC-DC step-down (buck) regulator. It has a total of 16 pins.
The key functions of these pins include:
1. VIN (Pin 1): Input voltage supply.
2. SW (Pin 2): Switch node for the internal power switch.
3. GND (Pin 3): Ground reference.
4. BOOT (Pin 4): Bootstrap capacitor connection for high-side gate drive.
5. COMP (Pin 5): Compensation node for the control loop.
6. CSN/CSN (Pins 6 & 7): Current sense for overcurrent protection.
7. VOUT (Pin 8): Regulated output voltage.
8. FB (Pin 9): Feedback voltage sensing for regulation.
9. RAMP (Pin 10): Ramp generator connection for voltage control.
10. SS (Pin 11): Soft-start input.
11. SYNC (Pin 12): Synchronization input for frequency.
12. PGND (Pins 13-15): Power ground pins.
13. NC (Pin 16): No connection.
The LM25007SD is used in applications requiring efficient power conversion and regulation.

Manufacturer

The LM25007SD is manufactured by Texas Instruments (TI), a global semiconductor company. Texas Instruments specializes in designing and manufacturing a wide range of electronic components, including analog and digital semiconductors, embedded processors, and microcontrollers. Founded in 1930, TI is known for its innovations in signal processing and analog technology, catering to various industries such as automotive, industrial, communications, and consumer electronics. The LM25007SD is a power management IC, specifically a step-down regulator, used in power supply designs to efficiently convert voltage levels. TI is recognized for its commitment to research and development, with a strong focus on providing reliable and high-performance solutions for engineers and designers worldwide.

Application

The LM25007SD is a high-voltage, step-down (buck) switching regulator used in various applications, including power supplies for industrial equipment, telecommunications, and automotive systems. It efficiently converts high input voltages to lower output voltages, making it suitable for powering microcontrollers, sensors, and other electronic devices. Its robust design also allows it to be used in LED drivers and battery management systems.

Equivalent

Equivalent products to the LM25007SD chip include the LM25006, LM25005, and LM25008 from Texas Instruments. These are also switching regulators with similar features, but variations in output current and voltage specifications may exist. Always check the datasheets for specific application requirements.

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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