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.
W1209 Temperature Controller Module with Case -50°C to 110°C For Incubator and For Other Projects
D1047 TO-247 Silicon NPN Power Transistors
5VDC 5Pin Relay , 250VAC 10A , 30VDC 10A Contact
Black Plastic Enclosure (140x59x33mm)
IRF2807 TO220 75V 82A N-Channel MOSFET
MB6F SOP / SMD Bridge Rectifier 50-1000V 0.5A / 500mA
WEMOS D1 SAMD21 M0 Mini 32Bits ARM Cortex M0 Core For Arduino Zero USB Mini
LM358 DIP 3V to 32V 20mA Dual Operational Amplifier
7910 TO-220 Negative Fixed Voltage Regulator
KA2261 DIP Original Samsung - FM Stereo Multiplex Decoder
SN75176BP DIP Differential Bus Transceiver
DIY 20 LED LM358 Sound Level Indicator Equalizer with On-Board Microphone and All Components
8mm Red 12V IP68 Panel Mount LED Indicator
8 Way 8 Channel 10A 12VDC Relay Module with Opto Isolated High & Low Trigger With Screw Terminal
Wiring Tape - KELANI Black
C1507 TO-220 NPN Power Transistor 




There are no reviews yet.