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Product Detailed Parameters
- Description：IC REG BOOST ADJ 1.5A 8SOIC
- Series：-
- Mfr：onsemi
- Package：Tube
- Function：Step-Up
- Output Configuration：Positive
- Topology：Boost
- 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：280kHz
- 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 CS5171ED8G is a high-efficiency boost switching voltage regulator manufactured by onsemi. It operates with an input voltage range of 2.7 V to 30 V and delivers up to 1.5 A output current. The device features a fixed switching frequency of 305 kHz, enabling the use of compact external components. Packaged in a lead-free SOIC-8 (D8) format, it supports adjustable output voltages and functions as a charge pump topology converter suitable for various power management applications.
Feature Summary
- High efficiency boost conversion architecture
- Integrated current-mode control for stable operation
- Wide input voltage capability for flexible system design
- Compact surface-mount packaging for space-constrained layouts
Applications
- Portable electronic devices requiring efficient step-up power
- Battery-powered systems needing voltage regulation
- General-purpose DC-DC boosting in consumer electronics
Procurement Notes
Verify the specific suffix 'G' indicates lead-free compliance and RoHS status according to official datasheets. Confirm package type is SOIC-8. Check current lifecycle status as distribution availability may vary. Ensure compatibility with required input/output specifications before integration.
Selection Notes
Select this component when a compact boost regulator with 1.5 A capacity is needed. Consider the 305 kHz frequency for trade-offs between component size and efficiency. Verify thermal performance requirements for the SOIC-8 package under expected load conditions. Compare against other onsemi boost regulators if different frequencies or currents are required.
Part Context
This part belongs to onsemi's family of high-efficiency switching voltage regulators. It is designed for applications requiring reliable step-up conversion from lower battery voltages to higher system rails. The ED8G variant specifically denotes the SOIC-8 package with green (lead-free) compound.
Replacement Considerations
Check for direct pin-compatible alternatives within the same product family. Verify electrical parameters such as switching frequency and maximum current match the original design requirements. Consult official substitution guides for confirmed equivalent parts.
