SG3843DM
- Mfr.Part #
- SG3843DM
- Manufacturer
- Microsemi
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR BUCK 8SOIC
- Stock
- 16,273
- In Stock :
- 16,273
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- Manufacturer :
- Microsemi
- Product Category :
- DC DC Switching Controllers
- Frequency - Switching :
- 1Hz~500kHz
- Number of Pins :
- 8
- Terminal Form :
- Gull wing
- Input Voltage (Max) :
- 25V
- Switcher Configuration :
- Single
- Mount :
- Surface Mount
- Number of Outputs :
- 1
- Duty Cycle (Max) :
- 95%
- Terminal Position :
- Dual
- Number of Terminations :
- 8
- Rise Time :
- 50ns
- Max Duty Cycle :
- 100 %
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Voltage - Supply (Vcc/Vdd) :
- 7.6V~30V
- Output Configuration :
- Positive
- Quiescent Current :
- 11mA
- RoHS Status :
- RoHS Compliant
- Topology :
- Buck
- Packaging :
- Tube
- Base Part Number :
- SG*843
- Input Voltage-Nom :
- 15V
- Pbfree Code :
- yes
- Peak Reflow Temperature (Cel) :
- 260
- JESD-609 Code :
- e3
- ECCN Code :
- EAR99
- Lifecycle Status :
- Obsolete (Last Updated: 2 weeks ago)
- Mounting Type :
- Surface Mount
- Published :
- 2000
- Synchronous Rectifier :
- No
- Output Current :
- 200mA
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Terminal Finish :
- Matte Tin (Sn)
- Operating Temperature :
- 0°C~70°C TA
- Control Technique :
- PULSE WIDTH MODULATION
- Frequency :
- 500kHz
- Lead Free :
- Lead Free
- Function :
- Step-Down
- Operating Supply Voltage :
- 30V
- Output Type :
- Transistor Driver
- Control Mode :
- CURRENT-MODE
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Datasheets
- SG3843DM

DC DC Switching Controllers Microsemi SG3843DM Overview
The Microsemi SG3843DM is a highly efficient and robust DC DC switching controller designed to meet the demanding needs of modern power supply applications. As part of the comprehensive DC DC Switching Controllers category, this device is optimized for buck converter configurations and integrates advanced features to facilitate compact, reliable, and energy-efficient power solutions. Its compact 8SOIC package makes it ideal for space-constrained applications, while its design emphasizes performance stability and operational efficiency, making it a prime choice for bulk purchasing by businesses seeking quality and durability.
SG3843DM Features
The SG3843DM offers a versatile range of features that enhance its applicability in various demanding environments. These include a wide operating voltage range, which allows for flexible implementations across different voltage levels. The device also features built-in over-temperature and over-current protection, which ensures safe operation under adverse conditions. Additionally, its high-frequency operation minimizes the size of necessary external components, thereby reducing overall design footprint and cost.
SG3843DM Applications
- Power Supplies: The SG3843DM is used in the design of compact, efficient, and low-cost power supplies for consumer electronics, ensuring reliable power delivery.
- LED Lighting: Ideal for driving LEDs with stable and efficient power, enhancing the longevity and color stability of lighting solutions.
- Automotive Electronics: Used in vehicle power systems to regulate power distribution efficiently, crucial for enhancing the performance and safety of automotive electronics.
- Portable Devices: Its energy efficiency and small form factor make it suitable for portable device applications, where extended battery life is essential.
- Telecommunication Equipment: Ensures stable and efficient power control in telecommunications infrastructure, vital for maintaining system reliability.
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Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
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