IS31BL3508A-STLS2-TR

Voltage - Output:	--
Supplier Device Package:	SOT-23-6
Package / Case:	SOT-23-6
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Applications:	Backlight
Dimming:	Analog, PWM
Frequency:	1MHz
Current - Output / Channel:	1.6A (Switch)
Series:	--
Voltage - Supply (Max):	5.5V
Voltage - Supply (Min):	2.7V
Number of Outputs:	1
Internal Switch(s):	Yes
Topology:	Step-Up (Boost)
Type:	DC DC Regulator
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

IS31BL3508A-STLS2-TR is a PMIC (Power Management Integrated Circuit) for LED driver. PMIC are used to regulate electrical current to maintain the same exact output, in this case it will control the power delivery of LEDs and adjust fluctuations in the current. This article will provide a thorough overview of the application field and working principle of the IS31BL3508A-STLS2-TR.

Application Field and Working Principle

IS31BL3508A-STLS2-TR are used in a variety of LED applications, such as LED display, LED backlighting and LED illumination. In LED display applications, the LED driver provide stable and efficient current to the LEDs. This will prevent the LEDs from over-voltage or over-current conditions, thus increasing the longevity and quality of the LED display.In LED backlighting applications, this LED driver prevents the light produced by the LEDs from flickering, ensuring uniform illumination and brightness. The IS31BL3508A-STLS2-TR is also capable of powering large LED backlit displays, as it can handle up to 16 parallel LED strings.In LED illumination applications, IS31BL3508A-STLS2-TR are used to provide LED illumination without affecting other electronic components. The LED driver can handle up to 11 parallel LED strings, allowing it more efficient powering of LED lights.The basic working principle behind the IS31BL3508A-STLS2-TR works by independently controlling the forward current of each LED string. The LED driver is capable of accurately regulating current thanks to its high resolution of 0.01V and high accuracy of 0.01A. It also provides adjustable PWM frequency (50Hz – 200kHz), allowing the user to manipulate the brightness of the LEDs depending on their preferences.The IS31BL3508A-STLS2-TR also features over current protection, allowing it to protect itself from failing due to spikes in current. Additionally, it also has anti-reverse current capability and a low power sleep mode to further extend its longevity.

Conclusion

IS31BL3508A-STLS2-TR is a powerful and efficient PMIC LED driver that enables LED displays to have optimal image quality, LED backlighting to be uniform and LED illumination to be constant. Its adjustable PWM frequency, over current protection, anti-reverse current and low power sleep mode ensures reliability and longevity of LED drivers. This LED driver is an ideal choice for LED applications that require accurate and consistent power delivery.

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