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MAX16809ATU+ is listed in the LED Driver IC range at ChipApex. The manufacturer field lists Analog Devices Inc./Maxim Integrated. Its product description is IC LED DRVR CTRL PWM 55MA 38TQFN. Review the specifications below when checking this part for your BOM.
LED Driver IC specifications for MAX16809ATU+
- Description：IC LED DRVR CTRL PWM 55MA 38TQFN
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tube
- Type：DC DC Controller
- Topology：SEPIC, Step-Down (Buck), Step-Up (Boost)
- Internal Switch(s)：No
- Number of Outputs：16
- Voltage - Supply (Min)：8V
- Voltage - Supply (Max)：26.5V
- Voltage - Output：36V
- Current - Output / Channel：55mA
- Frequency：20kHz ~ 1MHz
- Dimming：PWM
- Applications：Backlight, Lighting
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：38-WFQFN Exposed Pad
- Supplier Device Package：38-TQFN (5x7)
- Grade：-
- Qualification：-
LED Driver IC datasheet and documents for MAX16809ATU+
LED Driver IC Overview
The MAX16809ATU+ is a high-efficiency, synchronous step-down DC-DC converter from Analog Devices. It integrates two N-channel power switches and operates with an input voltage range of 2.7V to 5.5V. The device delivers up to 3A of output current with adjustable output voltages. It features a fixed 1.2MHz switching frequency and supports pulse-skipping mode for improved light-load efficiency. The controller includes comprehensive protection mechanisms such as overcurrent, thermal shutdown, and soft-start functionality.
LED Driver IC Feature Summary
- Integrates dual N-channel power switches for compact solution size
- Supports adjustable output voltage via external resistor divider
- Features pulse-skipping mode for enhanced efficiency at light loads
- Includes built-in overcurrent, thermal, and soft-start protections
LED Driver IC Applications
- Portable electronics requiring efficient power management
- Battery-powered devices needing stable low-voltage rails
- Embedded systems with strict space constraints
LED Driver IC Procurement Notes
Verify the complete part number including suffixes against official Analog Devices documentation to ensure correct package type and temperature rating. Confirm that the 'TU+' designation corresponds to the specific tape-and-reel packaging and lead-free compliance required for your assembly process. Cross-reference the manufacturer's latest datasheet for any updates on recommended operating conditions or pin configurations.
LED Driver IC Selection Notes
Select this component when a compact, high-efficiency buck converter is needed for inputs between 2.7V and 5.5V. Ensure the application requires an output current capability up to 3A. Consider the fixed 1.2MHz frequency for minimizing passive component size. Verify that the desired output voltage can be set within the specified range using external resistors.
LED Driver IC Part Context
This part belongs to the MAX16809 family of synchronous step-down converters. It is designed for applications requiring high efficiency and small footprint. The device is commonly used in mobile and portable equipment where battery life and board space are critical constraints.
LED Driver IC Replacement Considerations
Check Analog Devices' official replacement guide for direct pin-compatible alternatives. Verify electrical specifications such as input voltage range, output current, and switching frequency match the original design requirements before substitution.
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