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Product Detailed Parameters
- Description：IC REG MULTI CONFIG 0.1A 8SOIC
- Series：*
- Mfr：onsemi
- Package：Cut Tape (CT)
- Function：-
- Output Configuration：-
- Topology：-
- Output Type：-
- Number of Outputs：-
- Voltage - Input (Min)：-
- Voltage - Input (Max)：-
- Voltage - Output (Min/Fixed)：-
- Voltage - Output (Max)：-
- Current - Output：-
- Frequency - Switching：-
- Synchronous Rectifier：-
- Operating Temperature：-
- 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 CAT661EVA-T3 is a charge-pump voltage converter manufactured by onsemi, designed for efficient power management in compact electronic designs. It operates as a multi-config voltage regulator capable of inverting positive input voltages to negative outputs or stepping up voltage levels. The device features a switching frequency range of 25kHz to 135kHz and delivers an output current of 100mA (0.1A). Packaged in an 8-SOIC footprint with a width of 3.90mm, it requires only two external capacitors for operation, supporting fixed input configurations.
Feature Summary
- Charge-pump topology enables voltage inversion and step-up functionality without requiring inductors
- Compact 8-SOIC package design supports space-constrained circuit layouts
- Minimal external component requirement utilizing only two capacitors for stable operation
Applications
- Power management systems requiring negative voltage generation from positive sources
- Compact electronic devices needing efficient DC-DC conversion
- Voltage regulation applications in portable electronics
Procurement Notes
Verify the specific suffix 'T3' against official onsemi documentation to confirm tape-and-reel packaging specifications. Ensure the part number matches the exact electrical characteristics required for your design, particularly the 100mA output current limit and SOIC package dimensions. Cross-reference datasheet revisions to confirm compatibility with your system's voltage requirements.
Selection Notes
Select this component when inductor-less voltage inversion or boosting is required in small form factors. The 8-SOIC package suits automated assembly processes. Consider the 100mA current capability and 25-135kHz switching frequency against load demands. Verify that the external capacitor selection aligns with the datasheet recommendations for stability and ripple performance within the target operating temperature range.
Part Context
This part belongs to onsemi's power management IC portfolio, specifically within their charge-pump voltage converter series. These components are engineered for applications demanding high efficiency and minimal board space. The CAT661 series utilizes advanced semiconductor processes to deliver reliable voltage conversion with reduced electromagnetic interference compared to older technologies.
Replacement Considerations
Consult official onsemi substitution guides for verified alternatives. Generic equivalents may differ in pinout, current capacity, or switching frequency. Validate any substitute against the original 8-SOIC footprint and 100mA specification before integration.
