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SG2843DM
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Product Detailed Parameters
- Description：IC REG CTRLR BUCK 8SOIC
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Output Type：Transistor Driver
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：7.6V ~ 30V
- Frequency - Switching：1Hz ~ 500kHz
- Duty Cycle (Max)：95%
- Synchronous Rectifier：No
- Clock Sync：No
- Serial Interfaces：-
- Control Features：-
- Operating Temperature：-25°C ~ 85°C (TA)
- 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 SG2843DM is a high-reliability isolated switching regulator manufactured by Microchip Technology. It operates as a current-mode PWM controller with a maximum switching frequency of 500kHz and an output current capability of 1A. The device functions within an operating temperature range of -25°C to +85°C and requires an operating supply current of 11mA. It is housed in an 8-pin SOIC plastic package (PDSO8) and utilizes bipolar technology. This component is classified under PMIC - Power Management ICs and Switching Voltage Regulators, designed for robust performance in demanding applications.
Feature Summary
- High-reliability isolated switching regulator design
- Current-mode PWM control architecture
- Operates up to 500kHz switching frequency
- Bipolar technology implementation
Applications
- Isolated power supply systems
- Industrial control equipment
- Telecommunications infrastructure
Procurement Notes
Verify the specific manufacturer part number against official Microchip Technology documentation to ensure authenticity. Confirm that the SG2843DM designation matches the required current-mode PWM controller specifications. Check for any product change notifications or obsolescence notices prior to procurement. Ensure the SOIC-8 package variant aligns with board layout requirements. Validate RoHS compliance status through the official datasheet.
Selection Notes
Select the SG2843DM when a high-reliability isolated switching solution is required. Consider its 1A output current and 500kHz frequency for compact power designs. Verify compatibility with bipolar process technologies if applicable. Ensure the -25°C to +85°C operating range meets environmental constraints. Compare against other current-mode controllers for feature alignment.
Part Context
The SG2843DM belongs to the family of high-reliability isolated switching regulators from Microchip Technology. It serves as a current-mode PWM controller, distinct from standard voltage-mode variants. The component is part of Microchip's PMIC portfolio, specifically targeting applications requiring robust isolation and precise current regulation. It replaces older legacy parts in industrial and telecom sectors.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided source material. Consult Microchip Technology directly for cross-reference information or alternative components with similar current-mode PWM capabilities and SOIC-8 packaging.
