LT3477EUF#PBF
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- Mfr.Part #
- LT3477EUF#PBF
- Manufacturer
- Analog Devices, Inc.
- Package / Case
- 20-WFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC LED DRIVER RGLTR PWM 3A 20QFN
- Stock
- 3,650
- In Stock ：
- 3,650
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- Manufacturer :
- Analog Devices, Inc.
- Product Category :
- LED Drivers
- Operating Temperature :
- -40°C~85°C TA
- Number of Segments :
- 4
- Surface Mount :
- yes
- Max Input Voltage :
- 25V
- Width :
- 4mm
- RoHS Status :
- ROHS3 Compliant
- Input Voltage-Nom :
- 2.5V
- Lifecycle Status :
- Production (Last Updated: 2 weeks ago)
- Factory Lead Time :
- 8 Weeks
- Height :
- 750μm
- Output Voltage :
- 42V
- Pin Count :
- 20
- Mounting Type :
- Surface Mount
- Length :
- 4mm
- Operating Supply Voltage :
- 3.3V
- Max Supply Voltage :
- 25V
- High Level Output Current :
- 10μA
- JESD-609 Code :
- e3
- Type :
- DC DC Regulator
- REACH SVHC :
- No SVHC
- Terminal Position :
- QUAD
- Package / Case :
- 20-WFQFN Exposed Pad
- Number of Outputs :
- 1
- Terminal Pitch :
- 0.5mm
- Frequency :
- 200kHz~3.5MHz
- Dimming :
- PWM
- Min Supply Voltage :
- 2.5V
- Base Part Number :
- LT3477
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Radiation Hardening :
- No
- Topology :
- Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost)
- Output Current :
- 3A
- Number of Terminations :
- 20
- Number of Functions :
- 1
- Control Mode :
- CURRENT-MODE
- Packaging :
- Tube
- Max Output Voltage :
- 40V
- Current - Output / Channel :
- 3A Switch
- Terminal Finish :
- Matte Tin (Sn)
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Min Input Voltage :
- 2.3V
- Lead Free :
- Lead Free
- Number of Pins :
- 20
- Switching Frequency :
- 3.5MHz
- Switcher Configuration :
- Buck-Boost
- Published :
- 2009
- Internal Switch(s) :
- yes
- Low Level Output Current :
- 10μA
- ECCN Code :
- EAR99
- Peak Reflow Temperature (Cel) :
- 260
- Control Technique :
- PULSE WIDTH MODULATION
- Datasheets
- LT3477EUF#PBF
LED Drivers Analog Devices, Inc. LT3477EUF#PBF Overview
The LT3477EUF#PBF from Analog Devices, Inc. is a robust, high-performance LED driver specifically engineered for applications requiring precise, regulated current for high-intensity LEDs. With a built-in 3A switch, this driver supports a wide range of input voltages and offers a versatile solution for managing multiple LED configurations. It efficiently handles higher power requirements with a minimum of external components, making it an ideal choice for space-constrained applications. The inclusion of a PWM dimming capability allows for adjustable brightness levels, which enhances energy conservation while providing dynamic control over lighting effects.
LT3477EUF#PBF Features
This LED driver is characterized by its ability to deliver a continuous 3A output through its internal switch. The device supports a wide input voltage range, accommodating varying power supplies while maintaining consistent lighting output. The integrated PWM dimming feature offers designers the flexibility to create customizable lighting scenarios that can dynamically adjust to different environments or user preferences. Furthermore, its compact 20QFN package ensures that it can be incorporated into designs where space is at a premium.
LT3477EUF#PBF Applications
- Automotive Lighting: Utilized in headlamps and interior LEDs, the LT3477EUF#PBF ensures consistent brightness and long life, enhancing driver safety and vehicle aesthetics.
- Industrial Lighting: Perfect for high-power systems in factories and warehouses, providing reliable, bright illumination essential for productivity and safety.
- Architectural Lighting: Enables dynamic lighting control which is crucial for creating ambience in commercial and residential buildings through accent and feature lighting.
- Portable Flashlights: Its high efficiency and compact size make it suitable for hand-held devices, ensuring optimal performance of LED flashlights under varying battery conditions.
- Backlighting for Displays: Supports the needs of small to medium-sized LCD displays, offering consistent illumination to enhance visual output and user experience.
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