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