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Product Detailed Parameters
- Description：IC REG BUCK ADJ 600MA 20TSSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：3V
- Voltage - Input (Max)：100V
- Voltage - Output (Min/Fixed)：0.8V
- Voltage - Output (Max)：60V
- Current - Output：600mA
- Frequency - Switching：-
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：20-TSSOP (0.173", 4.40mm Width), 16 Leads, Exposed Pad
- Supplier Device Package：20-TSSOP-EP
- Grade：-
- Qualification：-
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Overview
The LT8630IFE#PBF is a synchronous micropower step-down DC/DC converter manufactured by Analog Devices Inc. It operates with an input voltage range of 3V to 100V and delivers up to 600mA of output current. The device features adjustable output voltages from 0.8V to 60V. It utilizes a 20-TSSOP package with exposed pad for surface mount installation. The switching frequency is programmable between 100kHz and 1MHz, allowing optimization for efficiency or component size. The IC supports shutdown functionality and operates within a junction temperature range of -40°C to +125°C.
Feature Summary
- Integrates internal synchronous switches for high-efficiency buck conversion
- Supports wide input voltage range suitable for industrial applications
- Features programmable switching frequency for design flexibility
- Includes shutdown pin for power management control
Applications
- Industrial automation systems requiring isolated or non-isolated power rails
- Battery-powered equipment operating from higher voltage sources
- Point-of-load regulation in distributed power architectures
- Telecommunications infrastructure power supplies
Procurement Notes
Verify the specific suffix #PBF indicates lead-free RoHS compliance before ordering. Confirm the TSSOP-EP-20 package dimensions match your PCB footprint requirements. Ensure thermal relief pads are designed correctly for the exposed pad to handle heat dissipation. Check for any recent PCN updates regarding material declarations or manufacturing site changes.
Selection Notes
Select this component when a wide input voltage range up to 100V is required with moderate output current. Compare against LT8631 if higher 1A output current is needed. Evaluate external component values based on the chosen switching frequency to balance efficiency and size. Consider thermal performance in the final enclosure design due to the power dissipation characteristics at higher input-output differentials.
Part Context
This part belongs to the LT863x family of micropower synchronous buck regulators from Analog Devices. It shares architectural similarities with the LT8631 but offers lower output current capability. The family is designed for applications requiring high efficiency across a wide load range and wide input voltage span.
Replacement Considerations
LT8631IFE#PBF serves as a direct functional upgrade offering increased output current capacity while maintaining similar pinout and control interfaces.
