STLD41PUR

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IC LED DRVR RGLTR PWM 120MA 8QFN

  • FabricanteSTMicroeletrônica

  • Peça do Fabricante #STLD41PUR

  • Pacote DFN-8

  • Em Estoque6955

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Especificações

Atributo Valor
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Obsolete
Type DC DC Regulator
Topology Step-Up (Boost)
Internal Switch(s) Yes
Number of Outputs 1
Voltage - Supply (Min) 3V
Voltage - Supply (Max) 21V
Voltage - Output 38V
Current - Output / Channel 120mA
Frequency 1.4MHz
Dimming PWM
Applications Backlight
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount

Visão Geral

Description

The STLD41PUR is a highly efficient and versatile LED driver often used in portable applications requiring precise current regulation. It is designed to drive high-power LEDs, providing a constant current output that ensures optimal LED performance and longevity. The component integrates advanced features such as high-efficiency power conversion, over-temperature protection, and current limiting to safeguard against potential damage from electrical and thermal stresses.
The STLD41PUR supports PWM (Pulse Width Modulation) dimming, allowing precise control over LED brightness, making it well-suited for applications where varying light intensity is necessary. Additionally, it operates over a wide input voltage range, enhancing its adaptability to different power supply conditions.
Compact in size, the STLD41PUR is ideal for space-constrained applications. It is commonly used in consumer electronics, automotive lighting, and other commercial lighting solutions. Its robust design and reliable performance make it a favored choice for engineers and designers looking to implement high-quality LED illumination systems.

Equivalent

The STLD41PUR is a high-efficiency LED driver by STMicroelectronics. Equivalent products can include:
1. Texas Instruments TPS61165: A white LED driver with similar functionalities.
2. ON Semiconductor NCP3065: A versatile LED driver for various applications.
3. Allegro Microsystems A6211: A robust LED driver for high-current applications.
When selecting an equivalent, ensure that the specifications such as voltage, current rating, and package type match your requirements. Always consult the datasheets for compatibility.

Features

The STLD41PUR is a high-performance, low dropout linear voltage regulator designed for various applications. Key features include:
1. Output Current: Capable of delivering up to 1.2 A, suitable for power-demanding devices.
2. Low Dropout Voltage: Ensures efficiency by maintaining a low dropout voltage across the regulator.
3. Adjustable and Fixed Output Options: Offers flexibility with adjustable output voltage configurations and fixed voltage options to suit different application needs.
4. Low Quiescent Current: Minimizes power consumption, enhancing energy efficiency, especially in battery-powered applications.
5. Protection Features: Includes built-in protection against overcurrent and thermal overload, ensuring safety and reliability.
6. Stability: Designed for stability with low equivalent series resistance (ESR) capacitors.
7. Package Options: Available in compact packages, facilitating ease of integration into space-constrained designs.
8. Wide Input Voltage Range: Supports a broad range of input voltages, making it versatile for various power supply sources.
These features make the STLD41PUR suitable for consumer electronics, industrial, and automotive applications, providing reliable and efficient voltage regulation.

Pinout

The STLD41PUR is an LED driver IC designed for driving LEDs efficiently. It comes in a package with a specific pin count and configuration for optimal performance.
The STLD41PUR typically has 9 pins, each serving distinct functions essential for its operation:
1. VIN: Input voltage supply.
2. GND: Ground connection.
3. SW: Switch pin, connected to the inductor.
4. FB: Feedback pin, used to set the output current.
5. EN: Enable pin, used to turn the device on or off.
6. PWM: Pulse Width Modulation input for dimming control.
7. COMP: Compensation pin for stability control.
8. OVP: Over-voltage protection pin.
9. NC: No connection, not used.
These pins allow the STLD41PUR to regulate and drive LEDs effectively, providing features like dimming, protection, and current regulation. For detailed and specific electrical characteristics, consult the datasheet from the manufacturer.

Application

The STLD41PUR is a specialized sensor that serves multiple application areas due to its ability to detect ambient light and provide proximity sensing. These application areas include:
1. Smartphones and Tablets: Used for adjusting screen brightness and managing proximity-based functionalities like turning off the display during calls.
2. Wearable Devices: Helps in managing display brightness and enabling gesture recognition.
3. Smart Home Devices: Used in lighting systems to adjust ambient conditions automatically and in gesture-controlled interfaces.
4. Automotive: Enhances driver and passenger experience by adjusting dashboard and display brightness based on ambient light.
5. Industrial Automation: Utilized for proximity detection and ambient light sensing in various control systems.

Package

The STLD41PUR is an LED driver IC that typically comes in a compact, surface-mount package, such as a TSSOP (Thin Shrink Small Outline Package) or similar, designed for efficient thermal management and space-saving in electronic applications. The specific package type may vary, so it's best to consult the manufacturer's datasheet for exact details.

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