Product Description: UC3840 DIP PWM Controller
The UC3840 is a high-performance pulse-width modulation (PWM) controller designed for off-line and DC-DC converter applications. It is housed in an 18-pin DIP package, making it suitable for various power management applications due to its efficiency and reliability.
Key Features
- PWM Control: Provides fixed frequency current mode control, making it ideal for switch-mode power supplies.
- High Efficiency: Designed to minimize power loss during operation, enhancing overall system efficiency.
- Programmable Switching Frequency: Allows customization of the switching frequency to suit specific application requirements.
- Integrated Functions: Includes features such as soft-start, over-voltage protection, and under-voltage lockout for enhanced safety and performance.
- Wide Supply Voltage Range: Operates effectively from 8V to 30V, accommodating a variety of input voltages.
Specifications
- Output Current Capability: Capable of sourcing or sinking up to 1A, suitable for driving external transistors.
- Temperature Range: Operates within a temperature range of -40?C to +85?C, ensuring reliability in various environments.
- DIP Package: Available in an 18-pin DIP package for easy integration into circuit boards.
Applications
The UC3840 is commonly used in:
- Switching Power Supplies: Ideal for use in both isolated and non-isolated power supply designs.
- DC-DC Converters: Suitable for converting one DC voltage level to another efficiently.
- Battery Chargers: Effective in managing charging cycles and optimizing battery performance.
Package Information
The UC3840 is available in an 18-pin DIP (Dual In-line Package), facilitating straightforward mounting on printed circuit boards.
BD536 TO220 -60V -8A PNP Transistor
AMS1117–3.3V SOT223 / SOT89 1A Low Dropout Voltage Regulator
Magnetic / Reed Switch for Home Alarm System for Arduino
1206 SMD LED Blue
Openlog Serial Data Logger Open Source Data Recorder NAZE32 F3 Blackbox ATMEGA328 Support Micro SD Module For Arduino
IRF9640 TO220 -200V -11A P-Channel MOSFET
IRFZ34 TO220 60V 30A Power MOSFET
STR-G6653 TO-220F 650V 1.95R 120W Off-Line Quasi-Resonant Flyback Switching Regulator
6-20VDC 60W BLDC Three Phase DC Hallless Motor Driver Controller Motor Speed Controller Board
XH-M542 TPA3116 100W Mono Digital Power Amplifier
8 Way 8 Channel 10A 12VDC Relay Module with Opto Isolated High & Low Trigger With Screw Terminal
TNY266GN SOP – SMPS TINY Switch-II Off-Line Switcher IC
TL431 / 431A SOP Adjustable Shunt Regulator
HC-SR501 Pyroelectric infrared Motion Sensor / PIR Sensor
6 Way 6 Channel 10A 5VDC Relay Module with Opto Isolated High & Low Trigger With Screw Terminal
BT138-800E TO220 800V 95A TRIAC Sensitive Gate
RAMPS 1.4 Controller For Reprap Mendelprusa 3D Printer
PCR406 / UPC PCR406 TO92 2.2V 0.8A SCR
AD5308 TSSOP 8 Buffered 8-Bit DACs
XY-J02 [Relay] 6-30VDC Programmable Delay Timer Switch With LED Display
PT2399 DIP 6.5V 100mA Echo Processor IC 




There are no reviews yet.