SG1843Y
- Mfr.Part #
- SG1843Y
- Manufacturer
- Microchip Technology
- Package / Case
- 8-CDIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC REG CTRLR BUCK 8CDIP
- Stock
- 12
- In Stock :
- 12
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- Manufacturer :
- Microchip Technology
- Product Category :
- DC DC Switching Controllers
- Output Configuration :
- Positive
- Function :
- Step-Down
- Supplier Device Package :
- 8-CDIP
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Manufacturer :
- Microchip
- ECCN Code :
- EAR99
- Duty Cycle (Max) :
- 95%
- Switching Frequency :
- 100 Hz to 500 kHz
- Terminal Position :
- Dual
- Brand :
- Microchip Technology
- Isolation :
- Isolated
- RoHS :
- Details
- Switcher Configuration :
- Single
- Lead Free :
- Contains Lead
- Input Voltage :
- 30 V
- Packaging :
- Tube
- Voltage - Supply (Vcc/Vdd) :
- 7.6V~30V
- Operating Supply Current :
- 11 mA
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Max Frequency :
- 500kHz
- Output Current :
- 200mA
- Product :
- Current Mode PWM Controllers
- Terminal Finish :
- Tin/Lead (Sn/Pb)
- Package :
- Bulk
- Series :
- -
- Maximum Operating Temperature :
- + 125 C
- Product Type :
- Switching Controllers
- Base Part Number :
- SG*843
- Product Status :
- Discontinued at Digi-Key
- Operating Supply Voltage :
- 30V
- Synchronous Rectifier :
- No
- Mounting Type :
- Through Hole
- Quiescent Current :
- 11mA
- Base Product Number :
- SG1843
- Lifecycle Status :
- IN PRODUCTION (Last Updated: 2 weeks ago)
- Control Mode :
- CURRENT-MODE
- Mounting Style :
- Through Hole
- Published :
- 2000
- Terminal Pitch :
- 2.54mm
- Frequency - Switching :
- 1Hz~500kHz
- JESD-609 Code :
- e0
- Topology :
- Buck
- Max Duty Cycle :
- 100 %
- Input Voltage-Nom :
- 15V
- Control Technique :
- PULSE WIDTH MODULATION
- Min Operating Temperature :
- -55 °C
- Duty Cycle :
- 100 %
- Package / Case :
- 8-CDIP (0.300, 7.62mm)
- Operating Temperature :
- -55°C~125°C TA
- Serial Interfaces :
- -
- Control Features :
- -
- RoHS Status :
- Non-RoHS Compliant
- Output Phases :
- 1
- Output Type :
- Transistor Driver
- Radiation Hardening :
- yes
- Width :
- 7.62mm
- Pbfree Code :
- No
- Product Category :
- Switching Controllers
- Rise Time :
- 50ns
- Fall Time (Typ) :
- 50 ns
- Number of Pins :
- 8
- Clock Sync :
- No
- Max Operating Temperature :
- 125 °C
- Minimum Operating Temperature :
- - 55 C
- Input Voltage (Max) :
- 25V
- Mount :
- Through Hole
- Number of Outputs :
- 1
- Number of Terminations :
- 8
- Datasheets
- SG1843Y

DC DC Switching Controllers Microchip Technology SG1843Y Overview
The SG1843Y from Microchip Technology is a high-performance DC DC Switching Controller designed to manage and optimize the power conversion and regulation processes in electronic devices. As part of the robust lineup of Microchip Technology, this controller integrates advanced features that ensure reliable operation and enhance the efficiency of buck converter applications. With its compact 8CDIP package, the SG1843Y is ideal for integration into space-constrained environments, providing a flexible solution for a wide range of power management challenges. Utilizing innovative technologies, the SG1843Y offers designers a potent tool for developing sophisticated power supply systems, making it a cornerstone in the development of energy-efficient electronics.
SG1843Y Features
The SG1843Y controller includes several key features that make it highly effective for managing power requirements in complex electronic systems. These include programmable frequency up to 500 kHz, which allows for flexibility in design and optimization of the power supply's response to varying loads. Additionally, the device supports high accuracy voltage regulation and overcurrent protection, which safeguards components against potential damage while maintaining stable operation. Its thermal shutdown feature further enhances the system's reliability by preventing overheating.
SG1843Y Applications
- Telecommunications Equipment: The SG1843Y can be used to regulate power within communication devices, ensuring consistent performance even under fluctuating power conditions.
- Computing Systems: In computers, this controller helps in delivering precise DC power required for sensitive components, enhancing system stability and performance.
- Portable Devices: Its efficiency and compact size make the SG1843Y suitable for portable electronic devices, where power efficiency and space are critical.
- Power Supplies: This IC is ideal for developing external power supply units that require reliable and constant voltage regulation.
- Industrial Systems: In industrial environments, the SG1843Y controls power delivery to machinery and equipment, ensuring optimal operation and protection against power-related issues.
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