LT3958EUHE

圖片僅供參考

LT3958EUHE

IC REG MULT CONFG ADJ 3.3A 36QFN

  • 製造商
  • 製造商。 部分 #LT3958EUHE
  • 包 QFN-36
  • 資料表
  • 有現貨的6635

100%原創; 新

24小時準備發貨

365天保修

RFQ&; 獲得更多折扣

規格

Package Tube
ProductStatus Obsolete
Function Step-Up, Step-Up/Step-Down
OutputConfiguration Positive or Negative
Topology Boost, Cuk, Flyback, SEPIC
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 5V
Voltage-Input(Max) 80V
Voltage-Output(Min/Fixed) 1.6V
Voltage-Output(Max) 84V (Switch)
Current-Output 3.3A (Switch)
Frequency-Switching 100kHz ~ 1MHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 36-WFQFN, 28 Leads, Exposed Pad

概述

Description

The LT3958EUHE is a high-performance DC/DC converter designed for LED applications. It is a product of Analog Devices, known for its efficiency and versatility in driving high-current LEDs. The device operates as a boost, buck, or buck-boost converter, offering flexibility in various configurations. It supports input voltages ranging from 4.5V to 60V and can deliver output voltages up to 80V, making it suitable for a wide range of LED lighting applications.
Key features of the LT3958EUHE include its ability to operate in continuous or discontinuous conduction modes, programmable switching frequencies up to 1MHz, and a high-side current sense to ensure accurate LED current regulation. It also includes features like soft-start capability, programmable input undervoltage lockout, and thermal shutdown protection to enhance reliability and performance.
The LT3958EUHE is commonly used in automotive, industrial, and architectural lighting applications due to its robustness and superior thermal management. Its compact packaging and high efficiency make it a popular choice for designers seeking a reliable solution to drive high-power LED systems.

Features

The LT3958EUHE is a high voltage, step-up DC/DC converter from Analog Devices designed for driving LEDs and other applications requiring high voltage outputs. Some key features include:
1. Wide Input Voltage Range: It supports input voltages from 5V to 80V, making it versatile for various power sources.
2. High Output Voltage: Capable of delivering output voltages up to 80V.
3. Current Mode Control: Ensures stable operation over a wide range of input voltages and output currents.
4. Adjustable Switching Frequency: Allows for frequencies from 100kHz to 1MHz, providing flexibility in optimizing efficiency and size.
5. PWM Dimming: Supports PWM dimming for LED applications, enhancing brightness control.
6. Integrated N-Channel MOSFET: Includes a 5A, 80V switch for efficient power conversion.
7. Overcurrent Protection: Provides robust protection against short-circuit conditions.
8. Thermal Shutdown: Protects the device from overheating.
9. Compact Package: Available in a thermally enhanced 5mm × 6mm QFN package, suitable for space-constrained applications.
These features make the LT3958EUHE ideal for applications like automotive lighting, industrial displays, and general LED drivers.

Package

The LT3958EUHE is a high voltage, monolithic, step-down DC/DC converter manufactured by Analog Devices (formerly Linear Technology). The "EUHE" in its part number denotes a specific package type: a 28-lead exposed pad plastic QFN (Quad Flat No-Lead) package, which is designed for efficient heat dissipation and compact design.

Pinout

The LT3958EUHE is a high voltage, step-up DC/DC converter with an internal 84V, 5A switch. It is commonly used for LED drivers and other boost, flyback, or SEPIC applications. The pin count for the LT3958EUHE is 28, and it is housed in a 28-pin QFN (Quad Flat No-leads) package.
The main functions of the LT3958EUHE include:
1. VIN: Power supply input.
2. SW: Switch pin, where the inductor is connected.
3. GND: Ground connection.
4. FB: Feedback pin for controlling output voltage.
5. VC: Compensation pin for loop stability.
6. SS: Soft-start control pin.
7. RT: Frequency set resistor pin.
8. SYNC: Synchronization input for external clock.
9. ISP/ISN: Current sense positive/negative pins for LED current regulation.
10. CTRL: Analog dimming control pin.
11. PWM: PWM dimming control pin.
These functions enable the LT3958EUHE to deliver efficient power conversion and provide flexible control for various applications.

Manufacturer

The LT3958EUHE is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company specializing in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company serves a wide range of industries, including industrial, automotive, consumer electronics, communications, and healthcare, providing solutions for various applications such as data conversion, signal processing, power management, and RF and microwave technology.

Application

The LT3958EUHE is a versatile DC/DC converter IC suitable for several applications, including LED drivers, battery chargers, and general-purpose power supplies. It is particularly useful in automotive lighting, industrial lighting, and backlighting applications due to its ability to efficiently drive high-current LEDs. It can also be employed in portable devices and consumer electronics that require efficient power conversion and control. Its wide input voltage range and robust design make it ideal for use in demanding environments.

Equivalent

The LT3958EUHE is a versatile DC/DC converter by Analog Devices (formerly Linear Technology). Equivalent products may include:
1. Texas Instruments: LM3488 - A similar boost controller.
2. Maxim Integrated: MAX16990 - Offers similar DC/DC converter capabilities.
3. ON Semiconductor: NCP3065 - Another DC/DC converter with similar functionality.
4. STMicroelectronics: L6920 - A step-up DC/DC converter with comparable features.
When choosing an equivalent, ensure to compare specifications like input/output voltage range, switching frequency, and power capabilities.

船舶

運輸管道我們

通過DHL、FedEx、TNT、UPS或您選擇的任何其他貨運代理提供全球運輸服務。


運費參攷(DHL/FedEx):

動態主要裝載: 運費從25美元到45美元(0.5公斤)不等,預計交貨時間為2-5個工作日。

聯邦快遞: 運費從25美元到40美元(0.5公斤)不等,預計交貨時間為3-7個工作日。

不斷電供應系統: 運費從25美元到45美元(0.5公斤)不等,預計交貨時間為3-7個工作日。

三硝基甲苯: 運費從25美元到65美元(0.5公斤)不等,預計交貨時間為3-7個工作日。

增强型短消息: 運費從30美元到50美元(0.5公斤)不等,預計交貨時間為7-15個工作日。

掛號: 運費為2-4美元(0.1公斤),預計交貨時間為5-20個工作日。

支付

Payment Methods

付款條件為100%預付。

現時,我們只接受以下付款方式:

1. 貝寶

2. 信用卡/借記卡

3. 電匯