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Product Detailed Parameters
- Description：IC REG BUCK 5V 1.5A 8SO
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Fixed
- Number of Outputs：1
- Voltage - Input (Min)：5V
- Voltage - Input (Max)：25V
- Voltage - Output (Min/Fixed)：5V
- Voltage - Output (Max)：-
- Current - Output：1.5A
- Frequency - Switching：200kHz
- Synchronous Rectifier：No
- Operating Temperature：0°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SO
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Overview
The LT1576CS8-5SYNC#TRPBF is a monolithic buck mode switching regulator manufactured by Analog Devices Inc. It integrates a 1.5A switch, oscillator, and current-mode control circuitry into an 8-SOIC package. The device operates with a fixed output voltage of 5V and supports an input voltage range from 5V to 25V. It functions at a switching frequency of 200kHz. The component is designed for efficient DC-DC conversion in space-constrained applications requiring stable power delivery.
Feature Summary
- Integrates a high-current 1.5A power switch within the monolithic die
- Utilizes current-mode control architecture for improved transient response
- Fixed 5V output configuration simplifies design implementation
- Compact 8-SOIC surface-mount packaging reduces board footprint
Applications
- Portable battery-powered equipment
- Distributed power supply systems
- On-card voltage regulation modules
Procurement Notes
Verify the exact part number suffix #TRPBF indicates tape and reel packaging when sourcing. Confirm the SYNC variant designation matches specific timing requirements. Check manufacturer documentation for RoHS compliance status and lead time constraints due to limited availability conditions. Ensure ordering quantities align with reel specifications provided by the distributor.
Selection Notes
Select this component for designs requiring a fixed 5V output from higher input rails up to 25V. The 200kHz frequency allows for smaller passive components compared to lower-frequency alternatives. Consider the 1.5A current limit for load requirements. Evaluate thermal performance within the SOIC-8 package for the expected ambient temperature range and duty cycle.
Part Context
This part belongs to the LT1576 family of switching regulators. The LT1576 series is characterized by its internal 1.5A switch and current-mode operation. The CS8-5SYNC variant specifically denotes the commercial temperature grade, SOIC-8 package, fixed 5V output, and synchronous or specific sync pin configuration as indicated by the suffix.
Replacement Considerations
LT1576CS8-5SYNC#PBF is the tube-packaged equivalent of this reel-part. Other LT1576 variants may offer different output voltages or packages but share the same core regulator architecture.
