LT3964HUHE#TRPBF

Voltage - Output:	--
Base Part Number:	LT3964
Supplier Device Package:	36-QFN (6x5)
Package / Case:	36-WFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 150°C (TJ)
Applications:	Automotive, General Purpose, Industrial, Medical
Dimming:	I²C, PWM
Frequency:	2MHz
Current - Output / Channel:	--
Series:	--
Voltage - Supply (Max):	36V
Voltage - Supply (Min):	4V
Number of Outputs:	2
Internal Switch(s):	Yes
Topology:	Step-Down (Buck)
Type:	DC DC Controller
Part Status:	Active
Packaging:	Tape & Reel (TR)

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IntroductionThe LT3964HUHE#TRPBF is an LED driver integrated circuit (IC), produced by Analog Devices. This LED driver is part of their power management IC (PMIC) family, specifically engineered to drive light-emitting diodes (LEDs). This IC is perfect for driving single color LEDs, due to its wide-voltage range, small size, low power consumption and its low-dropout output current control circuit. The LT3964HUHE#TRPBF is specifically designed for portable, low-powered or battery-powered LED applications.Application FieldThe LT3964HUHE#TRPBF LED driver IC is suitable for use in a variety of LED applications, from backlighting systems, automotive lighting, display lighting and signage applications, to medical equipment lighting and stage lighting. This device also finds applications in consumer electronics and computers, such as keypad backlighting, cellular phone keypads, LCD TVS and laptop computer displays. Its wide-voltage range is perfect for use in battery-powered devices or for portable equipment.OperationThe LT3964HUHE#TRPBF is specifically designed to drive single-color LEDs efficiently and accurately. It uses a low-dropout output current control circuit, which provides precise divergence to the output current. The average output current is set using a logic signal, and adjusts the current when the brightness of the LED changes. The IC has an Automatic Brightness Control feature, which allows the LED current to be adjusted automatically, maintaining a constant output to the LED.The LT3964HUHE#TRPBF IC is designed to operate in various conditions, from an input voltage as low as 0.9V to up to 6.5V. This wide operating range makes it suitable for low-voltage, low-power LED applications.The LED driver IC includes integrated Schottky diodes, allowing the LED to be driven directly from a constant current source. The IC includes current limit protection, as well as low-battery detect and logic shutdown. This makes it reliable and safe to use.The LT3964HUHE#TRPBF has a maximum output current of 20mA and a maximum output voltage of 6.5V. The IC is rated for an ambient temperature of -40°C to +85°C and its operating voltage ranges from 0.9V to 6.5V.AdvantagesThe LT3964HUHE#TRPBF PMIC - LED Driver IC offers a number of advantages over other options, making it an ideal choice for many applications. Its wide voltage range and low power consumption make it perfect for battery-powered devices and other low-powered applications.The low-dropout output current circuit provides precision current control and high accuracy output current, ensuring the LEDs are driven correctly and efficiently. The Automatic Brightness Control feature provides further advantages, allowing automatic adjustment of the LED current to maintain a constant output.ConclusionThe LT3964HUHE#TRPBF PMIC - LED driver IC is an excellent choice for low-powered, battery-powered applications. Its wide voltage range and low power consumption make it perfect for portable equipment, while its precision current control and Automatic Brightness Control features make it reliable and efficient. This device is suitable for a range of LED applications, from automotive lighting and signage to medical equipment lighting.

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