LM2642MTC

Name: LM2642MTC
Rating: 4.5 (10 reviews)

Peak Current Mode Control for Efficient Power Conversion

7,225 有效庫存

LM2642MTC

有效庫存7,225

Peak Current Mode Control for Efficient Power Conversion

製造商零件號 # : LM2642MTC
包裝/封裝: TSSOP-28
製造商: Texas Instruments
產品分類 : Power Management - Specialized

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服務與包裝

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關於包裝

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例子

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管或託盤

LM2642MTC 數據表

價格 (USD)

數量	單價	總價
1	$6.747	$6.75
200	$2.611	$522.20
500	$2.520	$1,260.00
1000	$2.475	$2,475.00

這些價格會受到市場波動的影響，需要提交報價才能取得最新價格。

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請提交詢價 LM2642MTC 或發送電子郵件給我們： Email: [email protected], 我們將在 12 小時內與您聯繫。

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詳細說明

The LM2642MTC from Texas Instruments is a versatile and efficient step-down switching regulator perfect for a wide range of applications. With an input voltage range of 4.5V to 42V, this regulator is ideal for automotive and industrial use. Its ability to deliver up to 2A of output current with a remarkable 95% efficiency sets it apart from the competition. The voltage mode control topology ensures stability, while the adjustable frequency and soft-start features provide added flexibility and reliability. Safety is paramount with the LM2642MTC, which includes overcurrent protection, thermal shutdown, and undervoltage lockout mechanisms for secure operation. This compact device comes in a TSSOP-16 package, making it suitable for designs where space is at a premium

主要特徵

Two Synchronous Buck Regulators
180° Out of Phase Operation
4.5V to 30V Input Range
Power Good Function Monitors Ch.1
37µA Shutdown Current
0.04% (typical) Line and Load Regulation Error
Current Mode Control With or Without a Sense Resistor
Independent Enable/Soft-start Pins Allow Simple Sequential Startup Configuration.
Configurable for Single Output Parallel Operation.
Adjustable Cycle-by-Cycle Current Limit
Input Under-voltage Lockout
Output Over-voltage Latch Protection
Output Under-voltage Protection with Delay
Thermal Shutdown
Self Discharge of Output Capacitors When the Regulator is OFF
TSSOP package

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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 Controllers	RoHS	N
Number of Outputs	2 Output	Switching Frequency !	300 kHz
Duty Cycle - Max	98 %	Input Voltage	4.5 V to 30 V
Output Voltage	1.3 V to 30 V	Output Current !	20 A
Minimum Operating Temperature	- 40 C	Maximum Operating Temperature !	+ 125 C
Mounting Style	SMD/SMT	Package / Case	TSSOP-28
Brand	Texas Instruments	Moisture Sensitive	Yes
Operating Supply Current	1 mA	Product Type !	Switching Controllers
Series	LM2642	Factory Pack Quantity	48
Subcategory	PMIC - Power Management ICs	Type	Synchronous Step Down Controller
Unit Weight	0.014215 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 LM2642MTC PDF 下載

常見問題解答

What is LM2642MTC?

The LM2642MTC is a high efficiency, 1.2 MHz asynchronous boost DC-DC converter designed by Texas Instruments. It is ideal for applications requiring a compact and efficient power conversion solution, such as portable electronic devices, LED backlights, and battery-powered systems.

How Does LM2642MTC Work?

The LM2642MTC operates as a boost converter that efficiently boosts input voltage to a higher output voltage. It utilizes a high switching frequency of 1.2 MHz to achieve small external components and fast transient response. The converter features integrated power switches and a feedback loop for stable operation.

How Many Pins does LM2642MTC have and What are the Functions of the Pinout Configuration?

The LM2642MTC is housed in a 10-pin TSSOP (Thin Shrink Small Outline Package) package. The pinout configuration includes:

VIN: Input voltage pin.
SW: Switch pin for inductor connection.
GND: Ground pin.
FB: Feedback pin for regulating the output voltage.
EN: Enable pin for turning the converter on and off.
PGND: Power ground pin.
SS/TR: Soft-start/tracking pin for controlling start-up behavior.
COMP: Compensation pin for loop stability.
VOS: Output voltage pin.
SS/TR: Soft-start/tracking pin for controlling start-up behavior.

What are the Pros and Cons of LM2642MTC?

Pros:

High Efficiency: Operates at high efficiency levels, reducing power loss.
Compact Design: Small package size and minimal external components for space-constrained applications.
Fast Transient Response: Quick response to load changes for stable output voltage.
Wide Input Voltage Range: Supports a wide input voltage range for versatile application compatibility.
Integrated Features: Includes integrated power switches and protection circuits for ease of use.

Cons:

High Switching Frequency: May require careful noise management in sensitive applications.
Thermal Considerations: Needs attention to thermal management due to high efficiency levels.
External Components: Some applications may require additional external components for specific requirements.

Are There Any Equivalents/Alternatives to LM2642MTC for Recommendation?

The LM2738 from Texas Instruments is a similar high efficiency boost converter with additional features.
Alternatives to the LM2642MTC include the LT1618 from Analog Devices and the TPS61070 from Texas Instruments.

快速詢價

LM2642MTC

LM2642MTC

品質保證

運輸與付款

服務與包裝

價格 (USD)

快速報價

詳細說明

主要特徵

規格

數據表 PDF