LTC3783IDHD#PBF

Voltage - Output:	--
Base Part Number:	LTC3783
Supplier Device Package:	16-DFN (5x4)
Package / Case:	16-WFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Applications:	--
Dimming:	Analog, PWM
Frequency:	20kHz ~ 1MHz
Current - Output / Channel:	--
Series:	--
Voltage - Supply (Max):	36V
Voltage - Supply (Min):	3V
Number of Outputs:	1
Internal Switch(s):	No
Topology:	Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost)
Type:	DC DC Controller
Part Status:	Active
Packaging:	Tube

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IntroductionThe LTC3783IDHD#PBF is a PMIC - LED Drivers power management integrated circuit (PMIC). It is a versatile, multi-channel, high-level current source, featuring a broad range of performance and features. The device makes driving LEDs safer and easier, and is capable of powering as many as 7 strings of LEDs, with a maximum of 3 per string.Application FieldThe LTC3783IDHD#PBF is ideally suited for driving LEDs in applications that require higher flexibility and power efficiency, such as outdoor and general lighting applications. It is well-suited for applications such as lighting, automotive, signage, and stage lighting.The device\'s combination of high voltage capabilities and low quiescent current make it an ideal choice for automotive lighting applications. It also provides a wide range of protection features that make it well-suited for such applications.Working PrincipleThe LTC3783IDHD#PBF is based on a 10-bit control scheme, offering the user unparalleled functionality for driving LEDs. It is capable of driving up to 7 strings of 3 LEDs each, depending on the external circuitry.The device uses pulse-width modulation (PWM) control to regulate the LED current, allowing it to achieve high efficiency, while allowing the user to adjust the LED brightness. The device also features dynamic channel selection, allowing the user to select which string of LEDs is currently lit.The device is also capable of dimming the LED strings, allowing the user to customize the lighting effect. This can be done either manually or automatically, depending on the set parameters. The PWM frequency also allows for smooth dimming and further customization of the lighting.In addition, the device also offers a variety of safety features, such as overcurrent, soft start, and over temperature protection. This makes it an ideal choice for safety-critical applications.ConclusionThe LTC3783IDHD#PBF is an ideal PMIC - LED drivers for applications such as lighting, automotive, signage and stage lighting. It is based on a 10-bit control scheme and provides unprecedented functionality for driving LEDs. The device also features a wide range of features and protection to ensure it is suitable for safety-critical applications.

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