UC3844 SMD SOP-8 - Current Mode PWM Controller IC [Original]

UC3844 SMD SOP-8 Current Mode PWM Controller IC for SMPS & DC-DC

The UC3844 is a high-performance, fixed-frequency PWM controller IC. It is specifically engineered for robust current-mode control applications. This controller delivers enhanced stability, superior efficiency, and precise regulation in critical power supply circuits. Operating at a fixed frequency of 52kHz, it ensures consistent and reliable performance. Integrated features like under-voltage lockout (UVLO) provide essential system protection. Leading-edge blanking further reduces noise, improving overall signal integrity. The UC3844 is an ideal choice for a wide range of power management solutions. It excels in switch-mode power supplies (SMPS) and various DC-DC converter designs. Its compact SOP-8 SMD package makes it suitable for space-constrained PCB layouts. Choose the UC3844 for reliable and efficient power conversion.

Specifications:

• IC Type: Current Mode PWM Controller
• Operating Frequency: 52kHz (Fixed)
• Operating Voltage: 7.6V - 30V
• Start-up Current: <1mA
• Operating Current: 17mA (Typical)
• Output Voltage: 5V
• Package Type: SMD SOP-8
• Operating Temperature Range: -40°C to +85°C

Key features and benefits:

• Current-mode PWM control for improved stability and response
• Fixed operating frequency of 52kHz for consistent performance
• Low start-up and operating current for energy-efficient designs
• Under-voltage lockout (UVLO) with hysteresis for system protection
• Internal leading-edge blanking for noise reduction
• Optimized for offline and DC-DC converter applications
• Compact SMD SOP-8 package for space-efficient PCB designs

Applications:

• Switch Mode Power Supplies (SMPS)
• DC-DC Converters
• Industrial Power Management
• Battery Chargers and Power Adapters
• Motor Drive Controllers

Package Includes:

*Image shown is a representation only.

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