UC3846N DC-DC chip
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Description:
The UC3846N is a highly versatile DC-DC controller IC designed for a wide range of power converter topologies. It supports boost, flyback, forward, half-bridge, and push-pull converter configurations, offering flexibility for various power conversion needs. The UC3846N provides accurate and reliable voltage regulation with integrated features for efficient operation and protection.
Key Features:
- Programmable switching frequency (up to 1MHz)
- On-chip oscillator and synchronization capability
- Current limiting and overload protection
- Short-circuit protection
- Soft-start functionality for reduced inrush current
- Duty cycle control for output voltage regulation
- Compatible with various external components for diverse converter designs
Technical Specifications:
- Package Type: DIP-16
- Input Voltage Range: Wide range depending on converter topology (typically 8V to 36V)
- Output Voltage Range: Programmable based on converter design
- Switching Frequency Range: Adjustable, typically up to 1MHz
- Output Current Limit: Programmable (refer to datasheet for specific details)
- Operating Temperature Range: -40°C to +85°C
- Dimensions: 9.91 mm x 8.89 mm x 2.54 mm (typical)
- Weight: 0.38 g (typical)
Applications:
- DC-DC converters for a variety of applications (e.g., battery-powered devices, point-of-load converters, voltage regulators)
- AC-to-DC power supplies
- LED drivers
- Solar power inverters
- Industrial control systems
Datasheet:
For detailed technical information and specific operating parameters based on converter design, refer to the UC3846N Datasheet
Technical Specifications:
- Logic Family: CMOS
- Number of Channels: 3
- Switch Configuration: Single-Pole Double-Throw (SPDT)
- Supply Voltage Range: 3V to 15V
- “ON” Resistance (R_ON): 125Ω typical at V_DD = 10V
- “OFF” Leakage Current (I_OFF): ±100pA typical at V_DD = 10V
- Control Input Voltage (V_IH): 0.7 V_DD min, 0.3 V_DD max
- Maximum Operating Frequency: 40 MHz at V_DD = 10V
Applications:
- Signal routing and switching
- Analog and digital multiplexing
- Audio and video signal processing
- Data acquisition systems
- Test equipment