LM2940IMP

Name: LM2940IMP
Brand: NS Electronics Co Ltd
Rating: 4.5 (10 reviews)
Author: Lisleapex

Linear Voltage Regulator IC Positive Fixed 1 Output 1A SOT-223-4

7,227 有效庫存

LM2940IMP

有效庫存7,227

Linear Voltage Regulator IC Positive Fixed 1 Output 1A SOT-223-4

製造商零件號 # : LM2940IMP
包裝/封裝: SOT-23
製造商: NS Electronics Co Ltd
產品分類 : Linear Regulator ICs

品質保證

從我們的供應鍊網路採購的所有零件都經過嚴格的進貨檢驗流程。這種細緻的檢查可確保客戶收到的零件是正品並符合要求的標準。此外，我們還保存這些檢查的詳細記錄，以確保整個供應鏈的透明度和可追溯性。

認證

我們已成功獲得各項認證標準，並建立了自己的專業檢測實驗室。這確保了我們向客戶提供的每件產品都符合最高的品質標準。我們遵守嚴格的測試協議，以保持我們產品的一致性和準確性。為了確保我們的產品是原裝正品，我們還與信譽良好的第三方檢測機構合作進行嚴格的品質測試。我們對品質的承諾延伸到滿足行業、法律、監管和 ISO 9001:2015 的要求。

運輸與付款

關於運送

我們通常會在幾個工作日內通過可靠的運輸公司（例如 FedEx、SF、UPS 或 DHL）運送訂單。我們還支持其他運輸方式。如果您想詢問具體的運輸細節或費用，請隨時與我們聯繫。

關於付款

我們接受多種支付方式，包括VISA、MasterCard、銀聯、西聯、PayPal等渠道。

如果您有特定的付款方式或想詢問費率和其他詳細信息，請隨時與我們聯繫。

電匯

Paypal

信用卡

西聯匯款

速匯金

服務與包裝

About After Sales Service

All Parts Extended Quality Guarantee

自發貨之日起 90 天內發起申請。

與我們的工作人員確認退貨或換貨。

保持貨物收到時的原始狀態。

最後請注意，退貨或換貨的資格取決於對退貨商品實際狀況的評估。在完成退貨或換貨流程之前，我們將評估收到的貨物。如果您對退貨或換貨有任何疑問或需要進一步幫助，請隨時通過以下方式聯絡我們： [email protected]

關於包裝

在包裝方面，我們的產品均精心包裝在防靜電袋中，以提供ESD防靜電保護。外包裝堅固耐用且閉合牢固。我們支持各種包裝方法，例如捲帶式、切帶式、管式或託盤式。

例子

捲帶式

剪膠帶

管或託盤

LM2940IMP 數據表

目前的價格方案正在編制中。請聯絡我們的客戶服務團隊獲取最新的價格資訊。感謝您的理解和支援!

感興趣的部分

LM140K
NS Electronics Co Ltd
DS1232L
NS Electronics Co Ltd
LM385M3
NS Electronics Co Ltd
LM3647
NS Electronics Co Ltd
LM2940IMP-5
NS Electronics Co Ltd
LMS8117AMP
NS Electronics Co Ltd
LM96000
NS Electronics Co Ltd
LM78M09
NS Electronics Co Ltd

快速報價

請提交詢價 LM2940IMP 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。

數量^*

聯絡人^*

郵箱^*

公司名稱

還要別的嗎？

LM2940IMP 詳細說明

The LM2940IMP is a low dropout voltage regulator with a fixed output voltage of 5V. It has a maximum dropout voltage of 0.5V at 1A load current, making it suitable for applications where input voltage is close to the desired output voltage. The device can handle an input voltage range of 6V to 26V and can deliver a maximum output current of 1A.The LM2940IMP features thermal shutdown and current limiting protection circuits to ensure safe operation under fault conditions. It also has a built-in reverse battery protection diode to prevent damage from reverse polarity connections. The regulator is housed in a TO-220 package, allowing for easy mounting and heat dissipation.This device is commonly used in electronic circuits that require a stable and reliable 5V power supply, such as embedded systems, sensors, and microcontrollers. The LM2940IMP is widely available and cost-effective, making it a popular choice for hobbyists and professional engineers alike.

主要特徵

Low dropout voltage
Available in fixed output voltages of 5V, 12V, and 15V
Output current of up to 1A
Thermal shutdown and current limit protection
Wide input voltage range of 7V to 26V
TO-220 and SO-8 surface mount packages available

應用

Power supplies for industrial equipment
Automotive power systems
Battery-operated devices
Consumer electronics
Telecommunications equipment
Medical devices
Instrumentation and measurement systems

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。

Category	Integrated Circuits (ICs)Power Management (PMIC)Voltage Regulators - Linear	Mfr	Texas Instruments
Series	-	Package	Tape & Reel (TR)Cut Tape (CT)®
Product Status	Active	Output Configuration	Positive
Output Type	Fixed	Number of Regulators !	1
Voltage - Input (Max)	26V	Voltage - Output (Min/Fixed)	12V
Voltage - Output (Max)	-	Voltage Dropout (Max)	1V @ 1A
Current - Output	1A	Current - Quiescent (Iq)	10 mA
Current - Supply (Max)	15 mA	PSRR	66dB (120Hz)
Control Features	-	Protection Features	Over Current, Over Temperature, Reverse Polarity, Short Circuit
Operating Temperature !	-40°C ~ 85°C	Mounting Type	Surface Mount
Package / Case	TO-261-4, TO-261AA	Supplier Device Package	SOT-223-4
Base Product Number	LM2940

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 LM2940IMP PDF 下載

常見問題解答

What is LM2940IMP?

The LM2940IMP is a low dropout voltage regulator designed by Texas Instruments. It is capable of supplying up to 1A of output current with a dropout voltage of less than 0.5V at full load. The regulator is ideal for applications requiring a low dropout voltage, such as battery-powered devices, industrial control systems, and automotive electronics.

How Does LM2940IMP Work?

The LM2940IMP operates as a voltage regulator that maintains a stable output voltage even when the input voltage varies. It uses a PNP pass transistor to regulate the output, allowing for a low dropout voltage and improved efficiency. The regulator also includes thermal shutdown and current limit features to protect the device and the load under fault conditions.

How Many Pins does LM2940IMP have and What are the Functions of the Pinout Configuration?

The LM2940IMP is housed in a 5-pin SOT-223 (Surface-Mounted Device Outer Transformer) package. The pinout configuration includes:

Input: Input voltage pin.
GND: Ground pin.
Adjust: Optional pin for external voltage trimming or bypass capacitor connection.
Output: Regulated output voltage pin.
N/C: No connection pin.

What are the Pros and Cons of LM2940IMP?

Pros:

Low Dropout Voltage: Maintains regulation even with a small voltage difference between input and output.
High Output Current: Can deliver up to 1A of output current for power-hungry applications.
Thermal Protection: Includes built-in thermal shutdown to prevent the device from overheating.
Short Circuit Protection: Features current limit protection to safeguard the regulator and the load during fault conditions.
Compact Package: The SOT-223 package offers a space-saving solution for compact designs.

Cons:

Heat Dissipation: May require a heat sink for high current or high input-output voltage differentials.
Noisier Output: In comparison to low-noise regulators, the LM2940IMP may not be suitable for noise-sensitive applications.

Are There Any Equivalents/Alternatives to LM2940IMP for Recommendation?

The LM2937 from Texas Instruments is a similar low dropout voltage regulator with a lower quiescent current.
Alternatives to the LM2940IMP include the LP298X series from Texas Instruments and the MIC29300 from Microchip Technology.