
Allicdata Part #: | LT3754EUH#PBF-ND |
Manufacturer Part#: |
LT3754EUH#PBF |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Linear Technology/Analog Devices |
Short Description: | IC LED DRVR CTRLR DIM 50MA 32QFN |
More Detail: | LED Driver IC 16 Output DC DC Controller Step-Up (... |
DataSheet: | ![]() |
Quantity: | 507 |
Voltage - Output: | -- |
Base Part Number: | LT3754 |
Supplier Device Package: | 32-QFN (5x5) |
Package / Case: | 32-WFQFN Exposed Pad |
Mounting Type: | Surface Mount |
Operating Temperature: | -40°C ~ 125°C (TJ) |
Applications: | Backlight |
Dimming: | Analog, PWM |
Frequency: | 100kHz ~ 1MHz |
Current - Output / Channel: | 50mA |
Series: | -- |
Voltage - Supply (Max): | 40V |
Voltage - Supply (Min): | 6V |
Number of Outputs: | 16 |
Internal Switch(s): | No |
Topology: | Step-Up (Boost) |
Type: | DC DC Controller |
Part Status: | Active |
Packaging: | Tube |
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LED Drivers are considered as switching regulators, which means that the output voltage and current of a DC/DC converter can be changed in response to changes in the input or output loading. LED Drivers, such as the LT3754EUH#PBF, are an integrated power management IC (PMIC) designed to drive single or multiple high current strings of low and high power LEDs. In this article, let’s look more closely at the LT3754EUH#PBF, its application field and the working principle behind it.
The LT3754EUH#PBF is an integrated PMIC designed to drive single or multiple strings of LEDs efficiently and safely, while accurately regulating the brightness. This IC also provides thermal and current foldback protection. It has an operating temperature range of -40 °C to 125 °C and a wide VIN range of 4.5V to 36V. The LT3754EUH#PBF is also fitted with a VCOMP that can be used to pre-filter the feedback loop, to prevent false triggering.
The LT3754EUH#PBF is well-suited for various application fields including automotive exterior backlighting, interior ambient lighting and general purpose LED lighting. This IC allows for maximum brightness control and an integrated thermal shutdown circuits that protect from extreme temperatures that can damage the LED. The LT3754EUH#PBF operates in the switching frequency range of 200kHz to 2MHz and provides up to 1.5A of continuous current.
The working principle behind the LT3754EUH#PBF relies on a single switch current mode Constant Frequency (CF) architecture. This architecture allows for operation in a wide range of frequency, enabling the LT3754EUH#PBF to have a simplified circuit design. The LT3754EUH#PBF uses a Pulse Width Modulated (PWM) control scheme to accurately regulate the output current and to adjust the LED brightness. The LT3754EUH#PBF also offers a unique current scale-back (CSB) feature which helps set the maximum LED current that can be driven by each LED string.
The LT3754EUH#PBF is an efficient, easy to use LED driver. It\'s an integrated PMIC, with an operating temperature range of -40 °C to 125 °C, that is well suited for various application fields and is able to drive single or multiple strings of LEDs. It comes with pre-programmed settings that make it easy to get started and the current scale back feature provides protection from excess current. The LT3754EUH#PBF works on a single switch current mode CF architecture operating in the switching frequency range of 200kHz to 2MHz and provides up to 1.5A of continuous current.
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