Product Description: UC3844 DIP Current Mode PWM Controller
The UC3844 is a high-performance current-mode pulse-width modulation (PWM) controller designed for off-line and DC-DC converter applications. Housed in an 8-pin DIP package, it is optimized for efficient power management with minimal external components.
Key Features
- Current-Mode Control: Provides stable output current regulation by adjusting the output voltage based on load conditions.
- Wide Operating Voltage Range: Functions effectively within a supply voltage range of 7.5V to 40V.
- Programmable Oscillator Frequency: Capable of operating at frequencies up to 500 kHz, allowing for flexible design options.
- Integrated Protection Features: Includes under-voltage lockout (UVLO), soft-start, and current limiting to enhance reliability and safety.
- Low Start-Up Current: Consumes less than 1 mA during startup, improving energy efficiency.
Specifications
- Maximum Duty Cycle: Approximately 50%, suitable for various switching applications.
- Output Current Capability: Can source or sink up to 200 mA, making it ideal for driving power MOSFETs.
- Operating Temperature Range: Designed to operate within a temperature range of 0?C to 70?C.
Applications
The UC3844 is widely used in:
- Switching Power Supplies: Ideal for both isolated and non-isolated designs.
- DC-DC Converters: Efficiently converts one DC voltage level to another, providing versatility in power management.
- Battery Chargers: Effectively manages charging cycles to optimize battery performance.
Package Information
The UC3844 is available in an 8-pin DIP (Dual In-line Package), facilitating easy integration into circuit boards.
IRF2807 TO220 75V 82A N-Channel MOSFET
26.000MHz / 26MHz Crystal 2 Pin THD
STP75NF75 TO220 75V 80A N-Channel MOSFET
CD4502 DIP Strobed Hex Inverter/Buffer (3-State)
10X10 100uF 63V SMD Capacitor
TAS5733 20W Stereo Open-Loop Digital Input Audio Power Amplifier IC
0.15uF 275VAC Polypropylene Film Capacitor
TINY AVR ISP ATTINY44 ATTINY45 ATTINY85 USBTINYISP Micro USB Programmer
MB6S SOP Bridge Rectifier 600V 0.5A 




There are no reviews yet.