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Product Detailed Parameters
- Description：IC REG BCK BST ADJ 500MA 16TSSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Up/Step-Down
- Output Configuration：Positive
- Topology：Buck-Boost
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：4V
- Voltage - Input (Max)：60V
- Voltage - Output (Min/Fixed)：3.3V
- Voltage - Output (Max)：20V
- Current - Output：500mA (Switch)
- Frequency - Switching：200kHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：16-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Supplier Device Package：16-TSSOP-EP
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Overview
The LT3433IFE#TRPBF is a high-voltage buck-boost switching regulator from Analog Devices, housed in a 16-TSSOP package with an exposed pad. It provides a single adjustable output voltage starting at 3.3V with a maximum switch current of 500mA. The device supports an input voltage range of 4V to 60V and operates with a quiescent supply current of 100µA. It functions as an automatic step-up/step-down DC/DC converter using a single inductor topology.
Feature Summary
- Automatic buck-boost regulation utilizing a single inductor for both step-up and step-down operations
- High input voltage capability supporting wide range power applications
- Low quiescent current consumption for improved efficiency
Applications
- Battery-powered systems requiring stable output across varying battery levels
- Industrial control circuits needing high-voltage tolerance
- Automotive electronics operating within wide input voltage ranges
Procurement Notes
Verify the specific suffix TRPBF indicates tape and reel packaging when ordering. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the 16-TSSOP exposed pad footprint matches your PCB layout requirements. Cross-reference the datasheet revision date to ensure compatibility with your design specifications.
Selection Notes
Select this component when a single inductor solution is preferred for buck-boost applications. It is suitable for designs requiring input voltages up to 60V. Consider the 500mA output limit for load requirements. The TSSOP package offers a compact form factor for space-constrained boards compared to larger packages.
Part Context
This part belongs to the LT3433 series of high-voltage DC/DC converters. It shares functional similarities with other Linear Technology buck-boost regulators but is distinguished by its specific 60V input rating and 500mA current capacity. The series is designed for applications where input voltage may fluctuate above or below the desired output level.
Replacement Considerations
LT3433IFE#PBF is the tube-packaged equivalent of this component. Verify pinout and electrical specifications remain identical before substitution. No other direct cross-model replacements are confirmed in public documentation.
