LT1932ES6

Imagens apenas para referência

LED Lighting Driver ICs LT1932 - Constant-Current DC/DC LED Driver in ThinSOT

  • FabricanteDispositivos analógicos

  • Peça do Fabricante #LT1932ES6

  • Ficha Técnica LT1932ES6 DataSheet

  • Em Estoque28383

365 Garantia de Qualidade em 1 dia

7*24 Garantia de serviço em 24 horas

90-Garantia de pós-venda em 1 dia

Garantia de Produto Genuíno

Especificações

Atributo Valor

Visão Geral

Description

The LT1932ES6 is a high-efficiency step-up DC/DC converter specifically designed for driving white LEDs. It is manufactured by Linear Technology, which is now part of Analog Devices. The device operates with a 1.2 MHz switching frequency, allowing the use of tiny, low-profile inductors and capacitors. It is housed in a compact 6-lead SOT-23 package, which is suitable for space-constrained applications.
The LT1932ES6 features PWM dimming control, enabling users to adjust the brightness of the LEDs efficiently. It can drive up to 6 white LEDs in series from a 2.6V to 15V input. The device includes features such as over-voltage protection, open-circuit protection, and current regulation, ensuring reliable operation under various conditions.
The LT1932ES6 is commonly used in applications like cellular phones, handheld devices, and other portable electronic devices where efficient LED backlighting is required. Its high efficiency, compact size, and ease of use make it a popular choice for designers looking to implement LED lighting solutions in their products.

Equivalent

The LT1932ES6 is a white LED driver from Analog Devices (formerly Linear Technology). Equivalent products with similar functionalities may include:
1. TPS61042 from Texas Instruments.
2. MAX1910 from Maxim Integrated.
3. AP3032 from Diodes Incorporated.
4. NCP5007 from ON Semiconductor.
When selecting an equivalent, ensure to compare key specifications such as input voltage range, output current, efficiency, and package type to ensure compatibility with your application.

Features

The LT1932ES6 is a step-up DC/DC converter specifically designed for driving white LEDs. Key features include:
1. High Efficiency: It delivers high efficiency, essential for battery-powered applications, by using a constant frequency, current mode control.
2. Wide Input Voltage Range: Operates from a wide input voltage range of 1V to 10V, making it versatile for various power sources.
3. Low Quiescent Current: It minimizes power consumption by offering a low quiescent current, enhancing battery life.
4. Integrated Schottky Diode: This reduces the need for external components, which simplifies the design and saves space.
5. Current Regulation: Provides accurate current regulation, ensuring uniform LED brightness.
6. Compact Package: Available in a small SOT-23 package, suitable for space-constrained applications.
7. Overvoltage Protection: Includes protection features to prevent damage from overvoltage conditions.
8. Adjustable Current: The LED current is easily adjustable with an external resistor.
The LT1932ES6 is ideal for portable devices, such as mobile phones and digital cameras, where efficient LED driving is needed.

Pinout

The LT1932ES6 is a 6-pin LED driver designed to drive white LEDs in various electronic devices. Here are the pin functions:
1. SW (Switch): This pin is connected to the inductor and is the switch node of the boost converter.
2. GND (Ground): This is the ground reference for the device.
3. FB (Feedback): This pin receives the feedback voltage from the LED string and helps regulate the LED current by comparing it to a fixed reference voltage.
4. SHDN (Shutdown): This pin is used to enable or disable the device. Pulling it low places the device in a low-power shutdown mode.
5. VIN (Input Voltage): This pin is connected to the input power supply.
6. RSET (Resistor Set): This pin sets the maximum LED current by connecting a resistor between RSET and GND.
The LT1932ES6 is typically used in compact applications due to its small package and is suited for driving a string of LEDs with a constant current.

Manufacturer

The LT1932ES6 is manufactured by Analog Devices, Inc. This company is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Analog Devices provides solutions for a wide range of applications in various industries, including communications, electronics, industrial, automotive, healthcare, and consumer electronics. They are known for their innovation in high-performance analog technology and their contributions to the advancement of technology across different fields.

Application

The LT1932ES6 is a high-efficiency, constant current LED driver primarily used in various lighting applications. Key application areas include:
1. Display Backlighting: It is ideal for backlighting LCD displays in portable devices like mobile phones, PDAs, and GPS units.
2. Handheld Devices: Used in LED flashlights and other battery-powered LED applications due to its compact size and efficiency.
3. Industrial Lighting: Suitable for industrial control indicators and lighting solutions that require consistent brightness.
4. Architectural Lighting: Can be used in LED strips or arrays for decorative and architectural lighting.
5. Automotive Lighting: Applicable for dashboard and interior lighting in vehicles.
The LT1932ES6 offers flexibility and reliability across these varied applications.

Package

The LT1932ES6 is a boost DC/DC converter packaged in a SOT-23-6 (Small Outline Transistor) package. This package type is compact, making it suitable for space-constrained applications.

Produtos relacionados a LT1932ES6