LM3644TTYFFR

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LM3644TTYFFR

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IC LED DRV RGLTR I2C 12DSBGA

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  • メーカー品番 #LM3644TTYFFR

  • データシート LM3644TTYFFR DataSheet

  • 在庫状況2440

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性 値
Part Status Active
Type DC DC Regulator
Topology Step-Up (Boost)
Internal Switch(s) Yes
Number of Outputs 2
Voltage - Supply (Min) 2.5V
Voltage - Supply (Max) 5.5V
Current - Output / Channel 1.5A
Frequency 2MHz, 4MHz
Dimming I2C
Applications Camera Flash
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 12-UFBGA, DSBGA
Supplier Device Package 12-DSBGA
Base Product Number LM3644

概要

Description

The LM3644TTYFFR is a high-performance, low-dropout (LDO) linear voltage regulator designed to provide a stable output voltage with low noise and high efficiency. It is commonly used in battery-powered devices due to its low quiescent current and ability to maintain output stability across varying load conditions. The LM3644 supports various output voltages, making it versatile for different applications, including portable electronics, IoT devices, and automotive systems.
This device features built-in overcurrent and thermal protection, ensuring safe operation under adverse conditions. It is packaged in a compact form factor, facilitating integration into space-constrained designs. The LDO is optimized for fast transient response, making it suitable for applications that require immediate power delivery.
In summary, the LM3644TTYFFR is an efficient and reliable voltage regulator ideal for powering sensitive electronic devices while maintaining low power consumption.

Equivalent

The LM3644TTYFFR is a low-dropout regulator (LDO) commonly used for powering LED drivers, sensors, and RF circuits. Equivalent products include the TPS7A47 from Texas Instruments, the MIC5205 from Microchip, and the LP2985 from Texas Instruments. These alternatives offer similar voltage regulation and current capabilities, but specific parameters such as dropout voltage and output current should be checked for compatibility with your application.

Features

The LM3644TTYFFR is a high-performance LED driver designed for mobile applications. Key features include:
1. Dual Output: Supports two independent LED channels for diverse lighting needs.
2. High Efficiency: Achieves up to 90% efficiency, enhancing battery life in portable devices.
3. Wide Input Voltage Range: Operates from 2.5V to 5.5V, making it suitable for various power sources.
4. Current Regulation: Provides accurate current regulation for consistent LED brightness.
5. Integrated Switching: Includes a built-in switching regulator, simplifying design and reducing component count.
6. PWM Dimming: Supports pulse-width modulation for adjustable brightness control.
7. Thermal Protection: Features thermal shutdown to prevent overheating.
8. Small Footprint: Packaged in a compact 3mm x 3mm QFN, ideal for space-constrained applications.
Overall, the LM3644TTYFFR is a versatile and efficient solution for driving LEDs in smartphones, tablets, and other portable devices.

Pinout

The LM3644TTYFFR is a power management IC with a pin count of 16. It functions primarily as a dual-channel LED driver. The device is designed to drive high-efficiency LED lighting in applications such as backlighting and general illumination. Key features include adjustable LED current, multiple dimming control methods (PWM and analog), and integrated thermal protection.
The pins include power supply inputs, LED outputs, ground, and control interfaces for setting LED current and dimming. Specifically, the pins facilitate connection to the input voltage, output for LEDs, and serial communication for configuration and control. Overall, the LM3644TTYFFR is optimized for compact designs requiring efficient LED driving solutions.

Manufacturer

The LM3644TTYFFR is manufactured by Texas Instruments (TI), a major American technology company. Founded in 1930, Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits. The company is well-known for its analog and embedded processing products, serving a wide range of industries including automotive, communications, consumer electronics, and industrial applications.
The LM3644TTYFFR specifically is a dual-channel LED driver designed for use in mobile devices and other compact applications, providing efficient power management and control for backlighting and other LED functions. Texas Instruments is recognized for its innovative solutions and commitment to quality, making it a significant player in the global electronics market.

Application

The LM3644TTYFFR is a high-efficiency linear LED driver primarily used in various applications such as automotive lighting, display backlighting, and general-purpose LED illumination. Its features enable precise current control for multiple LED configurations, making it suitable for applications in mobile devices, consumer electronics, and architectural lighting. Additionally, it supports dimming functions and can be used in smart lighting systems, enhancing energy efficiency and user experience.

Package

The LM3644TTYFFR is packaged in a 16-pin TSSOP (Thin Shrink Small Outline Package) format.

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