LM25575MHX

Изображения являются только для ссылки

LM25575MHX

+БОМ

IC REG BUCK ADJ 1.5A 16HTSSOP

  • ПроизводительТехасские инструменты

  • Мфр. Часть #LM25575MHX

  • Пакет HTSSOP-16

  • В наличии1329

365 Дни гарантии качества

7*24 часы обслуживания каранти

90-гарантия послепродажного дня

Гарантия подлинного продукта

Спецификации

Атрибут Ценность
Package / Case Tape & Reel (TR),Cut Tape (CT),Bulk
Series SIMPLE SWITCHER®
Part Status Obsolete
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 6V
Voltage - Input (Max) 42V
Voltage - Output (Min/Fixed) 1.225V
Voltage - Output (Max) 40V
Current - Output 1.5A
Frequency - Switching 50kHz ~ 1MHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount

Обзор

Description

The LM25575MHX is a high-performance, step-down (buck) voltage regulator from Texas Instruments. It is designed for use in a variety of applications requiring efficient power management, such as telecommunications, automotive systems, and industrial equipment. The LM25575MHX can handle input voltages ranging from 6 V to 42 V, making it versatile for different power sources. It delivers an adjustable output voltage ranging from 1.225 V to 37 V, with a maximum output current of 1.5 A.
Key features include a high switching frequency (up to 1 MHz) which allows for the use of smaller external components, thus reducing overall circuit size. It also comes with a thermal shutdown feature, cycle-by-cycle current limit protection, and an enable input to control power sequencing. The device's efficiency is enhanced by its ability to operate in both pulse width modulation (PWM) and pulse frequency modulation (PFM) modes, optimizing performance across various load conditions. Additionally, the LM25575MHX is housed in a thermally enhanced HTSSOP package, improving heat dissipation for high power applications.

Equivalent

The LM25575MHX is a buck switching regulator by Texas Instruments. Equivalent alternatives might include:
1. LM5576 by Texas Instruments – another buck converter with similar features.
2. LT3845 by Analog Devices – offers a similar input and output voltage range.
3. LMR33630 by Texas Instruments – similar functionality with a different footprint.
4. TPS54560 by Texas Instruments – a comparable buck converter in terms of voltage and current specs.
Ensure to check the datasheets for exact specifications and compatibility.

Features

The LM25575MHX is a high-efficiency switching regulator from Texas Instruments. It operates as a step-down (buck) converter and is suitable for a wide range of applications. Key features include:
1. Wide Input Voltage Range: Supports 6 V to 42 V, making it versatile for various power sources.
2. Adjustable Output Voltage: Capable of delivering an output voltage as low as 1.225 V.
3. High Efficiency: Typically around 95%, optimizing power consumption and thermal performance.
4. Integrated Switch: Features a 42 V N-channel MOSFET with a current limit up to 1.5 A.
5. Switching Frequency: Adjustable from 50 kHz to 1 MHz, providing flexibility in design and component selection.
6. Thermal Shutdown: Protects the device from overheating by disabling the output until normal temperatures are restored.
7. Current Mode Control: Ensures fast transient response and ease of loop compensation.
8. Soft Start Function: Reduces inrush current during startup.
9. Low Shutdown Current: Features a low quiescent current in shutdown mode, enhancing power efficiency in standby conditions.
These features make the LM25575MHX ideal for industrial, automotive, and general-purpose power supply applications.

Pinout

The LM25575MHX is a step-down voltage regulator from Texas Instruments. It features a 16-pin HTSSOP package. The pin functions are as follows:
1. VIN: Input voltage supply.
2. SW: Switch node, connected to the inductor.
3. RT: Sets the switching frequency.
4. EN: Enable pin, for turning the regulator on or off.
5. UVLO: Undervoltage lockout, sets the input voltage level for operation.
6. SS: Soft-start, controls the startup time.
7. COMP: Compensation pin for stability.
8. FB: Feedback pin, used for output voltage regulation.
9. VCC: Internal bias for the control circuitry.
10. BOOT: Bootstrap capacitor connection for driving the high-side FET.
11. RCL: Sets the current limit.
12. GND: Ground connection.
13. SYNC: Synchronization input for the switching frequency.
14. N/C: No connection, not used.
15. N/C: No connection, not used.
16. N/C: No connection, not used.
Please refer to the datasheet for detailed specifications and application information.

Manufacturer

The LM25575MHX is manufactured by Texas Instruments Incorporated. Texas Instruments (TI) is a global semiconductor company based in Dallas, Texas. They design and manufacture a variety of semiconductor products, including analog and embedded processing chips. TI is known for its innovation in electronics and has a significant presence in markets such as industrial, automotive, personal electronics, communications equipment, and enterprise systems. The company focuses on developing technologies that improve the efficiency and performance of electronic devices.

Application

The LM25575MHX is a versatile buck regulator designed for efficient power management in various applications. Key areas include telecommunications, industrial control systems, automotive electronics, and distributed power systems. It is particularly useful in applications requiring high-efficiency voltage regulation, such as powering microcontrollers, sensors, and other digital or analog loads that need a stable DC output. Its wide input voltage range and robust performance make it suitable for battery-powered devices and renewable energy systems like solar power converters. Additionally, it can be used in LED drivers, networking equipment, and any application that demands reliable power conversion with minimal external components.

Package

The LM25575MHX is a step-down voltage regulator IC by Texas Instruments. It comes in a PowerPAD HTSSOP (Thermally Enhanced Thin Shrink Small Outline Package) with 20 pins, designed for enhanced thermal performance in a compact size.

Продукты, связанные с LM25575MHX