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MIC4690BM is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is IC REG BUCK ADJ 1A 8SOIC. Review the specifications below when checking this part for your BOM.
Voltage Regulators - DC DC Switching Regulators specifications for MIC4690BM
- Description：IC REG BUCK ADJ 1A 8SOIC
- Series：SuperSwitcher™
- Mfr：Microchip Technology
- Package：Tube
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：4V
- Voltage - Input (Max)：30V
- Voltage - Output (Min/Fixed)：1.23V
- Voltage - Output (Max)：27.9V
- Current - Output：1A
- Frequency - Switching：500kHz
- 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：-
Voltage Regulators - DC DC Switching Regulators datasheet and documents for MIC4690BM
Voltage Regulators - DC DC Switching Regulators Overview
The MIC4690BM is a positive adjustable buck switching regulator IC from Microchip Technology, housed in an 8-SOIC package. It delivers a maximum output current of 1A with an input voltage range of 4V to 34V. The device operates at a fixed switching frequency of 500kHz and supports an output voltage adjustment starting from 1.23V. It functions within a junction temperature range of -40°C to +125°C.
Voltage Regulators - DC DC Switching Regulators Feature Summary
- Integrated high-side power switch for efficient step-down conversion
- Fixed 500kHz switching frequency enables compact external component sizing
- Adjustable output voltage capability via external resistor network
- Thermal shutdown protection for enhanced operational reliability
Voltage Regulators - DC DC Switching Regulators Applications
- Battery-powered portable equipment requiring regulated supply rails
- Industrial control systems operating within wide input voltage ranges
- Embedded computing modules needing stable 1A current delivery
- Telecommunications infrastructure power distribution units
Voltage Regulators - DC DC Switching Regulators Procurement Notes
Verify the specific suffix (e.g., TR for tape-and-reel) against your assembly requirements, as the base part number may denote tube packaging. Confirm RoHS compliance status through official Microchip documentation prior to integration. Ensure the supplier provides valid traceability records for the manufacturing lot code to maintain quality assurance standards during procurement.
Voltage Regulators - DC DC Switching Regulators Selection Notes
Select this component when a simple, cost-effective buck topology is required for 1A loads. The fixed 500kHz frequency simplifies filter design compared to variable-frequency alternatives. Consider the SO-8 thermal performance limits if ambient temperatures approach the upper specification boundary. Verify that the required output voltage falls within the adjustable range supported by the internal reference.
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