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Product Detailed Parameters
- Description：IC REG BUCK BOOST ADJ 1.5A 8SOIC
- Series：-
- Mfr：onsemi
- Package：Tube
- Function：Step-Up
- Output Configuration：Positive
- Topology：Buck, Boost, Flyback, Forward Converter, SEPIC
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：2.7V
- Voltage - Input (Max)：30V
- Voltage - Output (Min/Fixed)：1.28V
- Voltage - Output (Max)：40V (Switch)
- Current - Output：1.5A (Switch)
- Frequency - Switching：560kHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The CS5173ED8 is a switching voltage regulator manufactured by onsemi, classified as a high-efficiency boost converter. It operates with an input voltage range from 2.7 V to 30 V and provides an adjustable output voltage up to 40 V. The device supports a maximum switch current of 1.5 A and functions at a fixed switching frequency of 560 kHz. It is housed in an 8-SOIC package and is designed for operation across a temperature range of -40°C to +125°C TJ.
Feature Summary
- Integrated high-efficiency boost topology for step-up power conversion
- Wide input voltage capability supporting diverse source conditions
- Adjustable output voltage configuration for flexible system design
Applications
- Battery-powered systems requiring voltage step-up
- Portable electronic devices needing regulated higher voltage rails
- Industrial control circuits utilizing wide input ranges
Procurement Notes
Verify component authenticity through authorized channels due to end-of-life status. Confirm RoHS compliance and specific revision markings against the official datasheet. Check for alternative sourcing options as distribution availability may be limited or restricted in certain regions.
Selection Notes
Select this component when a synchronous-free boost solution is required within the specified voltage and current limits. Ensure the application demands a fixed 560 kHz switching frequency and fits within the thermal constraints of the SOIC-8 package. Validate that the load requirements do not exceed the 1.5 A switch current rating.
Part Context
This part belongs to the CS517x series of switching regulators from onsemi, which includes variants like CS5171, CS5172, and CS5173. These components are generally designed for cost-effective, high-efficiency power management in compact form factors, targeting applications where space and efficiency are critical constraints.
Replacement Considerations
Check for direct pin-compatible alternatives within the same family, such as CS5173EDR8G, noting any differences in packaging or tape-and-reel specifications. Verify functional equivalence regarding electrical parameters before substitution.
