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Product Detailed Parameters
- Description：IC REG BUCK ADJ 2A 24QFN
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：3.4V
- Voltage - Input (Max)：65V
- Voltage - Output (Min/Fixed)：0.97V
- Voltage - Output (Max)：64.75V
- Current - Output：2A
- Frequency - Switching：200kHz ~ 2.2MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：24-WFQFN Exposed Pad
- Supplier Device Package：24-QFN (3x5)
- Grade：-
- Qualification：-
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Overview
The LT8620EUDD#TRPBF is a synchronous step-down switching regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 3.4 V to 65 V and delivers up to 2 A of output current. The device supports adjustable output voltages from 970 mV to 64.75 V. Key electrical parameters include a quiescent current of 2.5 uA, a switch frequency range of 200 kHz to 2.2 MHz, and an operating temperature range from -40°C to +125°C. It utilizes a QFN-24 package.
Feature Summary
- Integrates high-side and low-side power switches for compact design
- Features ultra-low quiescent current for battery-powered applications
- Supports wide input voltage range up to 65 V
- Includes programmable switching frequency
Applications
- Industrial point-of-load regulation
- Automotive electronics systems
- Distributed power architectures
- Battery-powered equipment
Procurement Notes
Verify the specific suffix EUDD indicates the QFN-24 package configuration when ordering. Confirm RoHS compliance status through official manufacturer documentation. Ensure the TRPBF designation matches the required tape and reel packaging format for automated assembly processes.
Selection Notes
Select this component for designs requiring high input voltage tolerance combined with low standby power consumption. The integrated power switches reduce external component count compared to controller-based solutions. Evaluate thermal performance requirements based on the QFN-24 package footprint and expected load conditions.
Part Context
This part belongs to the LT8620 family of high-voltage synchronous buck regulators. It shares core architecture with variants like LT8620EMSE but differs in package type. The family targets applications needing efficient power conversion from higher voltage rails down to lower logic or sensor supply levels.
Replacement Considerations
LT8620EMSE#PBF offers identical electrical specifications in a MSOP-16 package. LT8620HMSE#PBF provides automotive-grade qualification within the same MSOP-16 form factor. Verify pin compatibility and thermal characteristics before substituting packages.
