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Product Detailed Parameters
- Description：IC REG BUCK ADJ 2A DL 20TSSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：2
- Voltage - Input (Min)：3.1V
- Voltage - Input (Max)：25V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：23.75V
- Current - Output：2A
- Frequency - Switching：250kHz ~ 1.5MHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：20-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：20-TSSOP-EP
- Grade：-
- Qualification：-
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Overview
The LT3510IFE is a monolithic high voltage LED driver designed for driving strings of LEDs from a wide input voltage range. It integrates a high-side current sense amplifier and operates with an input voltage range of 4.5V to 60V. The device supports constant current regulation with low dropout voltage, enabling efficient power delivery. It features a fixed switching frequency of 1MHz, allowing for the use of small external components. The IC includes comprehensive protection mechanisms such as thermal shutdown and open LED detection.
Feature Summary
- Integrates a high-side current sense amplifier for precise LED current regulation
- Supports wide input voltage range suitable for various power sources
- Includes built-in thermal shutdown and open LED fault detection
Applications
- Automotive exterior lighting systems
- Industrial illumination fixtures
- High-brightness LED arrays
Procurement Notes
Verify the specific suffix 'IFE' indicates the 20-lead SSOP package when ordering. Confirm that the manufacturer's datasheet matches the required operating temperature range and pin configuration. Ensure compatibility with the intended PCB footprint and soldering profile during procurement validation.
Selection Notes
Select this component when a single-chip solution is needed for high-voltage LED strings without external MOSFETs. Consider the 1MHz switching frequency for minimizing passive component size. Evaluate the thermal performance requirements based on the expected LED load and ambient conditions before finalizing the design.
Part Context
This part belongs to Analog Devices' family of high-voltage LED drivers. It is designed to simplify the design of LED lighting applications by integrating power switches and control logic. The device competes in the market for automotive and industrial lighting solutions requiring robust and compact driver circuits.
Replacement Considerations
Check for direct pin-compatible alternatives within the same product family. Verify if newer revisions offer improved thermal characteristics or updated packaging options. Ensure any substitute maintains the same input voltage range and switching frequency specifications.
