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Product Detailed Parameters
- Description：IC REG BUCK ADJ 1.5A 12LQFN
- Series：Silent Switcher®2
- 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)：2.5V
- Voltage - Input (Max)：42V
- Voltage - Output (Min/Fixed)：0.77V
- Voltage - Output (Max)：42V
- Current - Output：1.5A
- Frequency - Switching：200kHz ~ 2.2MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：12-VFQFN Exposed Pad
- Supplier Device Package：12-LQFN (2x3)
- Grade：-
- Qualification：-
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Overview
The LT8608SEV#TRMPBF is a synchronous step-down switching regulator from Analog Devices, housed in a 12-pin LQFN package with an exposed pad. It operates with an input voltage range of 3 V to 42 V and delivers a continuous output current of 1.5 A. The device features an adjustable output voltage starting at 0.77 V, with a maximum output capability of 41.5 V. It supports a programmable switching frequency between 200 kHz and 2.2 MHz. Quiescent current is specified at 2.5 µA or 3 µA depending on the source documentation. The component functions within a junction temperature range of -40°C to +125°C.
Feature Summary
- Synchronous buck topology for high efficiency
- Wide 42 V input voltage tolerance
- Programmable switching frequency up to 2.2 MHz
- Low quiescent current operation
Applications
- Embedded systems power management
- Industrial automation control circuits
- General purpose DC-DC conversion
Procurement Notes
Verify the specific suffix against official Analog Devices documentation to confirm package type and tape/reel specifications. Ensure compatibility with PCB footprint requirements for the 12-pin LQFN exposed pad configuration. Cross-reference thermal performance data with your system's heat dissipation capabilities before finalizing procurement decisions.
Selection Notes
Select this component when a wide input voltage range up to 42 V is required alongside moderate output current needs. The adjustable frequency feature allows optimization for size versus efficiency trade-offs. Verify that the 1.5 A output rating meets the load requirements without exceeding thermal limits in the chosen enclosure environment.
Part Context
This part belongs to the LT8608 series of silent switcher regulators designed for compact power solutions. It shares functional similarities with other members of the family but differs in package style and specific electrical parameters. The SEV suffix indicates a specific variant within the broader LT8608 product line offered by Analog Devices.
Replacement Considerations
LT8608EDC#TRMPBF and LT8608IDC#TRMPBF are alternative variants within the same series. Verify pinout compatibility and package dimensions (DFN-8 vs LQFN-12) before substitution. Electrical characteristics such as quiescent current may vary slightly between these versions.
