LM43601PWP

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LM43601PWP

+Nomenclature

IC REG BUCK ADJ 1A 16HTSSOP

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Spécifications

Attribut Valeur
Series SIMPLE SWITCHER®
PartStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 3.5V
Voltage-Input(Max) 36V
Voltage-Output(Min/Fixed) 1V
Voltage-Output(Max) 28V
Current-Output 1A
Frequency-Switching 200kHz ~ 2.2MHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 16-PowerTSSOP (0.173", 4.40mm Width)
SupplierDevicePackage 16-HTSSOP
BaseProductNumber LM43601

Présentation

Description

The LM43601PWP is a high-performance, step-down (buck) voltage regulator from Texas Instruments. It is designed to provide a compact and efficient power supply solution, ideal for various applications, including automotive, industrial, and consumer electronics. Operating over a wide input voltage range of 4.5V to 60V, it can deliver adjustable output voltages down to 0.8V, with a maximum output current of up to 1A.
Key features include a built-in high-side switch, which enhances efficiency, and a switching frequency that can be adjusted to optimize performance for specific applications. The LM43601PWP also includes protection features such as thermal shutdown, overcurrent protection, and under-voltage lockout, ensuring reliability and safety in various operating conditions.
Its compact package and flexible design options make it suitable for space-constrained applications while maintaining high efficiency and low output ripple. This makes the LM43601PWP an excellent choice for designers seeking robust and versatile power management solutions.

Equivalent

The LM43601PWP is a step-down (buck) regulator, and its equivalent products include the TPS563201, MICREL MIC2288, and LT8610. These alternatives can provide similar voltage regulation features, efficiency, and output current capabilities. Always verify specific application requirements, including input/output voltage ranges and thermal performance, when selecting a substitute.

Features

The LM43601PWP is a high-performance, synchronous step-down voltage regulator designed for a variety of applications. Key features include:
1. Input Voltage Range: Accepts input voltages from 4.5V to 60V, suitable for a wide range of power sources.
2. Output Current: Capable of delivering up to 1A output current, making it suitable for medium power applications.
3. Efficiency: Provides high efficiency (up to 95%) at various load conditions, minimizing heat generation and improving thermal performance.
4. Adjustable Output Voltage: Output voltage can be adjusted from 0.8V to 60V, offering flexibility for different applications.
5. Integrated Switches: Features integrated high-side and low-side MOSFETs, reducing external component count.
6. Compensation: Built-in compensation simplifies design and enhances stability across different loads.
7. Thermal Protection: Includes thermal shutdown and current limiting features for enhanced reliability.
8. Small Package: Available in a compact HTQFP package, suitable for space-constrained designs.
Overall, the LM43601PWP is ideal for automotive, industrial, and consumer electronics applications.

Pinout

The LM43601PWP is a step-down voltage regulator from Texas Instruments, specifically designed for high-efficiency power conversion. It features a total of 20 pins.
Pin Functions:
1. VIN: Input voltage.
2. SW: Switch node connection to the inductor.
3. GND: Ground reference.
4. COMP: Compensation pin for stability.
5. CSN / CSP: Current sense inputs for overcurrent protection.
6. SS: Soft-start pin to control the startup time.
7. VOUT: Regulated output voltage.
8. FB: Feedback voltage input for regulation.
9. EN: Enable pin to turn the device on/off.
10. PGND: Power ground for high-current paths.
11. LIM: Current limit setting.
12. FREQ: Frequency setting for switching operation.
13-20: Additional pins for various features like protection, output voltage adjustment, and control.
For precise applications, it’s essential to refer to the specific datasheet for detailed electrical characteristics and pin configurations.

Manufacturer

The LM43601PWP is manufactured by Texas Instruments (TI), a global semiconductor company based in the United States. Texas Instruments is known for designing and producing a wide range of electronic components, including analog and digital signal processing devices, microcontrollers, and power management solutions. The company primarily serves various markets, including automotive, industrial, communications, and consumer electronics.
Founded in 1930, Texas Instruments has a reputation for innovation and quality in the semiconductor industry, contributing to advancements in technology across multiple sectors. The LM43601PWP specifically is a high-performance, step-down voltage regulator designed for applications requiring reliable power management, making it suitable for use in portable devices and other electronic systems. Texas Instruments focuses on providing comprehensive solutions and support for engineers and designers, ensuring that their products meet the evolving needs of modern technology.

Application

The LM43601PWP is a buck converter designed for various application areas including:
1. Power Management: Used in power supplies for devices requiring stable voltage regulation.
2. Industrial Automation: Powers sensors, actuators, and control systems.
3. Telecommunications: Provides efficient power for telecom equipment and infrastructure.
4. Consumer Electronics: Utilized in devices like smartphones, tablets, and laptops.
5. Automotive: Supports power supply needs in automotive systems and infotainment.
6. Battery-Powered Applications: Ideal for portable devices due to its high efficiency and low quiescent current.
These applications benefit from its wide input voltage range and adjustable output voltage capabilities.

Package

The LM43601PWP is packaged in a 20-pin HTSSOP (Thin Shrink Small Outline Package) format. This package type is designed for efficient heat dissipation and compact PCB layout, making it suitable for various applications in power management.

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