Buck Switching Regulator IC Positive Fixed 3.3V 1 Output 2A 8-SOIC (0.154", 3.90mm Width)
L6982N33DR
General Description
The L6982N33DR is a high-efficiency synchronous step-down switching regulator manufactured by STMicroelectronics. It is designed to provide a fixed regulated output voltage from a wide input voltage range while maintaining excellent conversion efficiency and low power dissipation. The device integrates high-side and low-side power MOSFETs, control circuitry, protection features, and compensation functions within a compact package, reducing external component count and simplifying power supply design. Its robust architecture makes it suitable for industrial automation systems, distributed power architectures, telecommunications equipment, embedded systems, consumer electronics, smart devices, and battery-powered applications requiring efficient DC-to-DC voltage conversion.
Key Features
Power Conversion Architecture
- Synchronous buck regulator topology
- Fixed output voltage regulation
- Integrated power MOSFETs
- High-efficiency power conversion
- Optimized switching performance
- Reduced external component requirements
Electrical Characteristics
- Wide input voltage operating range
- Stable output voltage regulation
- High conversion efficiency
- Low standby power consumption
- Fast transient response
- Low output ripple performance
Control Features
- Current-mode control architecture
- Internal compensation circuitry
- Soft-start functionality
- Frequency synchronization capability
- Stable operation under varying load conditions
Protection Features
- Overcurrent protection
- Short-circuit protection
- Thermal shutdown protection
- Undervoltage lockout protection
- Safe startup operation
- Enhanced system reliability
Power Management
- Low-power operating modes
- Energy-efficient design
- Suitable for battery-powered systems
- Optimized thermal performance
- Reduced power dissipation
Package Characteristics
- Surface-mount package
- Compact footprint
- Automated assembly compatible
- High-density PCB design support
- Industrial-grade packaging
Material Construction
- Monolithic integrated power management solution
- Lead-free package materials
- RoHS-compliant construction
- High-reliability semiconductor technology
Environmental Characteristics
- Suitable for industrial operating environments
- Long operational service life
- Reliable continuous operation
- Robust thermal performance
Application Areas
- Industrial Automation Equipment
- Embedded Systems
- Microcontroller Power Supplies
- FPGA and Processor Power Rails
- Telecommunications Equipment
- Smart Metering Systems
- Consumer Electronics
- Building Automation Systems
- Distributed Power Architectures
- Battery-Powered Devices
- IoT Products
- Power Management Modules
Compliance
- RoHS Compliant
- Lead-Free Compatible
- Industrial-Grade Power Management Solution
Manufacturer
STMicroelectronics
Product Family
L6982 Synchronous Step-Down Switching Regulator Series