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Product Detailed Parameters
- Description：60V SYNC 4-SWITCH BUCK-BOOST LED
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Output Type：Transistor Driver
- Function：Step-Up/Step-Down
- Output Configuration：Positive
- Topology：Buck-Boost
- Number of Outputs：1
- Output Phases：2
- Voltage - Supply (Vcc/Vdd)：3V ~ 60V
- Frequency - Switching：400kHz
- Duty Cycle (Max)：-
- Synchronous Rectifier：Yes
- Clock Sync：Yes
- Serial Interfaces：-
- Control Features：Enable, Frequency Control, Power Good, Soft Start
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：28-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：28-TSSOP-EP
- Grade：-
- Qualification：-
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Overview
The LT8392EFE#TRPBF is a synchronous 4-switch buck-boost DC/DC controller from Analog Devices. It supports input voltages above, below, or equal to the output voltage. The device features a fixed switching frequency of 400kHz and includes spread spectrum modulation for EMI reduction. Key control functions include enable, frequency control, power good indication, and soft start. It regulates output voltage, input current, or output current. The component is housed in a TSSOP-28 package and operates with a maximum junction temperature of 125°C.
Feature Summary
- Synchronous four-switch buck-boost topology for wide input range operation
- Integrated spread spectrum modulation to reduce electromagnetic interference
- Built-in protection and control features including soft start and power good signal
Applications
- LED lighting drivers requiring buck-boost regulation
- Battery-powered systems with varying supply voltages
- Industrial equipment needing stable power conversion across input ranges
Procurement Notes
Verify the specific suffix TRPBF indicates tape and reel packaging when sourcing. Confirm the manufacturer is Analog Devices Inc. Ensure the part number matches exactly to avoid confusion with the tube-packaged PBF version. Check RoHS compliance status as per the latest datasheet revision before finalizing procurement orders.
Selection Notes
Select this controller for applications requiring a single-stage solution for input voltages that may be higher, lower, or equal to the desired output. The 400kHz frequency offers a balance between efficiency and component size. Consider the TSSOP-28 thermal performance for your specific PCB layout requirements.
Part Context
This component belongs to the LT8392 series of high-voltage synchronous buck-boost controllers. It shares architectural similarities with other parts in the family but is distinguished by its specific pinout, packaging, and factory preset switching frequency. It serves as a specialized power management IC within the broader PMIC category.
Replacement Considerations
The LT8392EFE#PBF is a direct functional equivalent differing only in packaging format (tube versus tape and reel). No alternative part numbers are publicly confirmed as direct substitutes with identical specifications.
