LM2577S-ADJ

有效庫存5,492

Compact power solution

品質保證

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。

ship1 ship2 ship3 ship4 ship5 ship6

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

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。

questionContent1 questionContent2 questionContent3 questionContent4 ctc pelican express chunghwa post

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。

wire

電匯

questionContent7

Paypal

cc

信用卡

western

西聯匯款

mg

速匯金

服務與包裝

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。

pg

例子

捲帶式

捲帶式

剪膠帶

剪膠帶

管或託盤

管或託盤

LM2577S-ADJ 數據表

no-price

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

快速報價

請提交詢價 LM2577S-ADJ 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。

LM2577S-ADJ 詳細說明

The LM2577S-ADJ is a highly efficient solution for power regulation needs, offering a range of output voltage options and built-in protection features. This integrated circuit minimizes the complexity of designing switching regulators by requiring only a few external components. Its 3.0A NPN switch and sophisticated protection circuitry ensure safe operation by limiting current and temperature levels while also providing undervoltage lockout. The chip's 52 kHz fixed-frequency oscillator eliminates the need for external components, and its soft start mode reduces initial current spikes. Additionally, current mode control improves the device's ability to handle fluctuations in input voltage and load changes with ease

LM2577S-ADJ

主要特徵

  • Compact and highly efficient
  • Suitable for various applications
  • Up to 5V output voltage

應用

  • LM2577S-ADJ for automotive power
  • Efficient LM2577S-ADJ for LEDs
  • Battery charging with LM2577S
  • Adjustable voltage for LM2577S
  • LM2577S-ADJ in industrial power
  • Portable electronics with LM2577S

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。

Topology Boost, Flyback, Forward, SEPIC Vin (min) (V) 3.5
Vin (max) (V) 40 Vout (min) (V) 1.23
Vout (max) (V) 60 Switch current limit (typ) (A) 3
Type Converter Regulated outputs (#) 1
Switching frequency (min) (kHz) 52 Switching frequency (max) (kHz) 52
Iq (typ) (mA) 10 Features Nonsynchronous rectification, UVLO Fixed
Duty cycle (max) (%) 95 Operating temperature range (°C) -40 to 125
Rating Catalog

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 LM2577S-ADJ PDF 下載

常見問題解答

What is LM2577S-ADJ?

The LM2577S-ADJ is a step-up (boost) voltage regulator integrated circuit (IC) manufactured by Texas Instruments. It is designed to efficiently convert a lower input voltage to a higher output voltage, making it suitable for various power supply applications such as battery-powered devices, LED drivers, and portable instruments.

How Does LM2577S-ADJ Work?

The LM2577S-ADJ works by utilizing a switch-mode boost topology to step up the input voltage to a higher level. It uses an internal switch to control the energy flow from the input to the output, resulting in a regulated and higher output voltage. The IC features a feedback loop to maintain the desired output voltage level regardless of variations in the input or load conditions.

How Many Pins does LM2577S-ADJ have and What are the Functions of the Pinout Configuration?

The LM2577S-ADJ is housed in an 8-lead TO-263 package. The pinout configuration includes:

  • Vin: Input voltage pin.
  • GND: Ground pin.
  • Sw: Switch pin for internal power MOSFET.
  • Feedback: Feedback pin for output voltage regulation.
  • Vout: Regulated output voltage pin.
  • NC: No connection pin.
  • NC: No connection pin.
  • Vref: Reference voltage pin.

What are the Pros and Cons of LM2577S-ADJ?

Pros:

  • Efficient Voltage Boost: Provides efficient step-up voltage conversion for various applications.
  • Wide Input Voltage Range: Can accept a wide range of input voltages for versatility.
  • Simple Design: Requires minimal external components for basic operation.
  • Output Current Capability: Capable of supplying moderate output currents to power loads.
  • Thermal Shutdown: Includes thermal shutdown and current limiting for protection.

Cons:

  • Inductor Selection: Requires careful selection of an external inductor for optimal performance.
  • Switching Noise: Switch-mode regulators may introduce electromagnetic interference (EMI) in sensitive applications.
  • Heat Dissipation: Higher input-to-output voltage differentials may require attention to heat dissipation.

Are There Any Equivalents/Alternatives to LM2577S-ADJ for Recommendation?

  • The LM2587S-ADJ from Texas Instruments is a similar step-up voltage regulator with slightly different features.
  • Alternatives to the LM2577S-ADJ include the XL6009 from XLsemi and the NCP1402 from ON Semiconductor.

推薦零件

  • LM2596T-12 $0.308

    Precise voltage regulation for a wide range of load

    製造商: Texas Instruments 包裝/箱: TO-220-5

    3,164 有存貨

    貨物週期: 3~7 天

    最小訂購量為 1

  • LM3478MMX

    This switching controller, LM3478MMX, is designed to deliver consistent and reliable performance in demanding environments

    製造商: Texas Instruments 包裝/箱: MSOP-8

    3,950 有存貨

    貨物週期: 3~7 天

    最小訂購量為 1

  • LM2592HVS-ADJ $0.426

    TO-263-5 LM2592HVS-ADJ ROHS DC-DC Converters

    製造商: Texas Instruments 包裝/箱: TO-263 (KTT)-5

    3,510 有存貨

    貨物週期: 3~7 天

    最小訂購量為 1

  • LM317DCY $0.268

    Voltage Regulator

    製造商: Texas Instruments 包裝/箱: SOT-223 (DCY)-4

    3,855 有存貨

    貨物週期: 3~7 天

    最小訂購量為 1

  • LM2586S-ADJ/NOPB $5.379

    4-V to 40-V, 3-A step-up wide VIN flyback regulator with frequency synchronization 7-DDPAK/TO-263 -40 to 125

    製造商: Texas Instruments 包裝/箱: TO-263-7

    5,050 有存貨

    貨物週期: 3~7 天

    最小訂購量為 1

  • LM2585S-ADJ

    This product offers bi-polar functionality and is a current mode type switched-mode power supply controller. It features a 5 pin plastic SIP package

    製造商: Texas Instruments 包裝/箱: TO-263 (KTT)-5

    4,048 有存貨

    貨物週期: 3~7 天

    最小訂購量為 1

  • LM2596S-ADJ/NOPB $1.306

    LM2596S-ADJ/NOPB: Step-Down Regulator

    製造商: Texas Instruments 包裝/箱: TO263-5

    6,762 有存貨

    貨物週期: 3~7 天

    最小訂購量為 1

  • LM5116MH/NOPB

    Maximum switching frequency of 1000kHz

    製造商: Texas Instruments 包裝/箱: HTSSOP (PWP)-20

    3,141 有存貨

    貨物週期: 3~7 天

    最小訂購量為 1

  • LM5017MR

    000 kHz frequency

    製造商: Texas Instruments 包裝/箱: POWERPAD-8

    5,546 有存貨

    貨物週期: 3~7 天

    最小訂購量為 1

  • LM3150MH

    Simple Switcher LM3150MH, Buck Controller for 6-42V

    製造商: Texas Instruments 包裝/箱: PowerTSSOP-14

    6,836 有存貨

    貨物週期: 3~7 天

    最小訂購量為 1

  • LM5025MTC

    16-TSSOP Package

    製造商: Texas Instruments 包裝/箱: TSSOP-16

    3,630 有存貨

    貨物週期: 3~7 天

    最小訂購量為 1

  • LM2685MTC

    This high-performance DC-DC regulator offers flexible design options and precise control

    製造商: Texas Instruments 包裝/箱: TSSOP-14

    4,065 有存貨

    貨物週期: 3~7 天

    最小訂購量為 1

  • LM2622MM-ADJ $1.042

    LM2622MM-ADJ Step up PWM DC-DC converter

    製造商: Texas Instruments 包裝/箱: MSOP-8

    5,885 有存貨

    貨物週期: 3~7 天

    最小訂購量為 1

  • LM3350MM

    This product utilizes advanced technology to deliver precise and reliable voltage regulation in a compact package

    製造商: Texas Instruments 包裝/箱: MSOP8

    3,760 有存貨

    貨物週期: 3~7 天

    最小訂購量為 1

  • LM140K

    This linear voltage regulator IC provides a reliable output voltage of 1A and can be used in a wide range of industrial and consumer devices

    製造商: NS Electronics Co Ltd 包裝/箱: TO-CAN (NDS)-2

    3,365 有存貨

    貨物週期: 3~7 天

    最小訂購量為 1

  • LM1117-3.3

    Fixed Positive LDO Regulator, 1.8V, 1.3V Dropout, PSSO2

    製造商: Advanced Monolithic Systems 包裝/箱: SOT-223

    5,780 有存貨

    貨物週期: 3~7 天

    最小訂購量為 1