LM5574MTX

Name: LM5574MTX
Rating: 4.5 (10 reviews)

0.8A switching regulator

6,675 有效庫存

LM5574MTX

有效庫存6,675

0.8A switching regulator

製造商零件號 # : LM5574MTX
包裝/封裝: TSSOP-16
製造商: Texas Instruments
產品分類 : Voltage Regulators - DC DC Switching Regulators

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例子

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LM5574MTX 數據表

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詳細說明

The LM5574MTX is a highly versatile and efficient synchronous buck regulator designed for a wide range of applications. With an impressive input voltage range of 4.5V to 75V and a continuous output current of up to 0.5A, this regulator is well-suited for various industrial and automotive power supply designs. Its constant on-time control architecture ensures rapid transient response and high efficiency, while the programmable switching frequency of up to 1MHz allows for optimal efficiency and component size. Additionally, the LM5574MTX includes a range of protection features such as overcurrent protection, thermal shutdown, and input undervoltage lockout, ensuring reliable and safe operation across diverse operating conditions. Its small form factor and thermally enhanced 16-pin HTSSOP package make it an ideal choice for space-constrained applications, further enhancing its versatility and suitability for a broad range of designs

主要特徵

LM5574-Q1 is an Automotive Grade Product that is AEC-Q100 Grade 1 Qualified (−40°C to + 125°C Operating Junction Temperature)
Integrated 75V, 750mΩ N-channel MOSFET
Ultra-Wide Input Voltage Range from 6V to 75V
Adjustable Output Voltage as Low as 1.225V
1.5% Feedback Reference Accuracy
Operating Frequency Adjustable Between 50kHz and 500kHz with Single Resistor
Master or Slave Frequency Synchronization
Adjustable Soft-Start
Emulated Current Mode Control Architecture
Wide Bandwidth Error Amplifier
Built-in Protection
Automotive Grade Product Datasheet that is AEC-Q100 Grade 0 Qualified is Available Upon Request
- (−40°C to + 150°C Operating Junction Temperature)

TSSOP-16

WEBENCH is a trademark of Texas Instruments. All trademarks are the property of their respective owners.

規格

以下是所選零件的基本參數，涉及零件的特性及其所屬類別。

Product Category !	Switching Voltage Regulators	RoHS	N
Output Voltage	1.225 V to 70 V	Output Current !	500 mA
Input Voltage, Max	75 V	Number of Outputs	1 Output
Topology	Buck	Package / Case	TSSOP-16
Mounting Style	SMD/SMT	Switching Frequency !	50 kHz to 500 kHz
Minimum Operating Temperature	- 40 C	Maximum Operating Temperature !	+ 125 C
Series	LM5574	Input Voltage, Min	6 V
Brand	Texas Instruments	Product Type !	Switching Voltage Regulators
Shutdown	Shutdown	Factory Pack Quantity	2500
Subcategory	PMIC - Power Management ICs	Unit Weight	0.006102 oz

數據表 PDF

數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。

初步規格 LM5574MTX PDF 下載

常見問題解答

What is LM5574MTX?

The LM5574MTX is a step-down switching regulator designed by Texas Instruments. It is a high-efficiency voltage regulator capable of driving up to 3A of load current. The LM5574MTX is suitable for various applications such as industrial power supplies, LED lighting, and battery chargers.

How Does LM5574MTX Work?

The LM5574MTX operates by efficiently stepping down a higher input voltage to a lower output voltage using a switching regulator topology. It features a current mode control architecture for fast transient response and cycle-by-cycle current limit for overcurrent protection. The device is designed to deliver stable and regulated output voltages even under varying load conditions.

How Many Pins does LM5574MTX have and What are the Functions of the Pinout Configuration?

The LM5574MTX comes in a 14-pin HTSSOP (PowerPAD™) package. The pinout configuration includes:

VIN: Input voltage pin.
PGND: Power ground pin.
BOOT: Bootstrap capacitor pin for the high-side MOSFET driver.
SW: Switching node connection.
FB: Feedback pin for output voltage regulation.
COMP: Compensation pin for stability optimization.
RT/SS: Adjustable frequency setting or soft start pin.
PGOOD: Power good indicator output pin.

What are the Pros and Cons of LM5574MTX?

Pros:

High Efficiency: Provides high efficiency over a wide load range.
High Output Current: Capable of driving up to 3A load current.
Wide Input Voltage Range: Accepts a wide input voltage range for flexibility.
Compact Package: The HTSSOP package offers a space-saving footprint.

Cons:

External Components: May require external components such as inductors and capacitors for operation.
Noisy Operation: Switching regulators may introduce noise in sensitive applications.
Complexity: Switching regulator design may require careful consideration of component selection and layout for optimal performance.

Are There Any Equivalents/Alternatives to LM5574MTX for Recommendation?

The LM2675 from Texas Instruments is a similar step-down switching regulator with different features.
Alternatives to the LM5574MTX include the LT1376 from Analog Devices and the TPS54331 from Texas Instruments.

快速詢價

LM5574MTX

LM5574MTX

品質保證

運輸與付款

服務與包裝

快速報價

詳細說明

主要特徵

規格

數據表 PDF