LM27402SQX

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LM27402SQX

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  • HerstellerTexas Instruments

  • Herstellerteil #LM27402SQX

  • Auf Lager4008

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Attribut Wert
Brand Texas Instruments
ProductType Switching Controllers
Subcategory PMIC - Power Management ICs
MountingStyle SMD/SMT
MinimumOperatingTemperature - 40 C
MaximumOperatingTemperature + 125 C
OutputVoltage 600 mV to 18.6 V
OutputCurrent 30 A
NumberofOutputs 1 Output
Package/Case LLP-16
SwitchingFrequency 200 kHz to 1.2 MHz
DutyCycle-Max 95 %
Topology Buck

Übersicht

Description

The LM27402SQX is a high-performance, dual-output DC-DC buck regulator from Texas Instruments, designed for efficient power management in various applications such as industrial, automotive, and telecommunications. It features a wide input voltage range, typically from 4.5V to 60V, making it suitable for diverse power supply designs.
The device supports synchronous rectification, which enhances efficiency by minimizing switching losses. It also includes features like built-in compensation, adjustable output voltage (from 0.8V to 0.9 x V_IN), and current limiting for enhanced reliability. The LM27402SQX supports a variety of operating modes, including forced PWM and pulse-skip modes, allowing for flexibility in load conditions.
With a compact package and excellent thermal performance, it is ideal for space-constrained applications. The integrated soft-start function helps reduce inrush current, while the device's protection features, such as thermal shutdown and over-voltage protection, ensure safe operation. Overall, the LM27402SQX is a versatile solution for efficient power regulation in modern electronic systems.

Equivalent

The LM27402SQX is a dual operational amplifier. Equivalent products include the TLV2372, MCP602, and OPA2132, which offer similar specifications such as dual channels, low noise, and rail-to-rail output capabilities. Always check specific datasheets for pin compatibility and performance characteristics to ensure suitability for your application.

Features

The LM27402SQX is a high-performance, dual-output voltage regulator designed for efficient power management in various applications. Key features include:
1. Dual Output: Provides two independent voltage outputs, suitable for powering multiple components.
2. Adjustable Output Voltage: Output voltage can be set externally with resistors, offering flexibility to meet specific requirements.
3. High Efficiency: Utilizes both linear and switching regulation to minimize power loss and heat generation.
4. Wide Input Voltage Range: Operates effectively across a broad input voltage range, enhancing versatility in different applications.
5. Low Quiescent Current: Ensures extended battery life in portable applications through reduced power consumption in standby modes.
6. Thermal Protection: Integrated thermal shutdown feature safeguards the device against overheating.
7. Short-Circuit Protection: Provides reliable operation under fault conditions by limiting current during short-circuit situations.
8. Compact Package: Available in a small footprint package, facilitating easy integration into space-constrained designs.
This combination of features makes the LM27402SQX ideal for powering microcontrollers, sensors, and other low-power devices.

Pinout

The LM27402SQX is a dual-channel high voltage operational amplifier with a pin count of 8. It features two channels, each designed for high-speed signal processing applications. The key functions of its pins are as follows:
1. V+ (Power Supply): Connects to the positive supply voltage.
2. V- (Power Supply): Connects to the negative supply voltage.
3. Inverting Input (−): Inputs the signal to be inverted.
4. Non-Inverting Input (+): Inputs the signal to be amplified without inversion.
5. Output: Delivers the amplified signal.
6. Compensation: Used for frequency compensation to enhance stability.
7. NC (No Connect): Not connected internally; can be left floating.
8. Ground: Common reference point for the circuit.
This op-amp is suitable for various applications, including signal conditioning, amplification, and filtering in high-voltage environments.

Manufacturer

The LM27402SQX is manufactured by Texas Instruments (TI), a prominent American technology company. Founded in 1930, Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits. The company is recognized for its extensive portfolio of products, which includes analog electronics, embedded processors, and digital signal processors (DSPs), among others. TI serves a wide range of industries, including automotive, industrial, communications, consumer electronics, and more, providing innovative solutions that enhance performance and efficiency in electronic devices. With a strong focus on research and development, Texas Instruments is known for its commitment to advancing technology and providing high-quality semiconductor products.

Application

The LM27402SQX is a dual high-speed operational amplifier designed for various applications. Its primary application areas include:
1. Signal Conditioning: Amplifying weak signals in sensor applications.
2. Data Acquisition: Used in ADC inputs for precise signal processing.
3. Audio Systems: Enhancing audio signals in mixers and amplifiers.
4. Active Filters: Implementing low-pass, high-pass, and band-pass filters.
5. Instrumentation: Employed in medical instrumentation and measurement systems.
6. Control Systems: Used in feedback loops for stable control in industrial applications.
Its high bandwidth and low noise characteristics make it suitable for demanding applications.

Package

The LM27402SQX is packaged in a 14-pin TSSOP (Thin Shrink Small Outline Package).

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