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.
C1675 TO-92 Silicon Epitaxial Planar Transistor
OMRON LYN-J 220VAC 8-Pin Electromagnetic Relay
12VDC 50LED String RED - Total Length is 11.5 feet (~3.5m) Gap Between Two LED is 8cm
DC Jack Male
CD4070 SOP Quad Exclusive-OR (XOR) Gate
CD4071 DIP Quad 2-Input Or Gate
3 Wheel Smart Car Chassis Kit for Hobby Electronic Projects
1206 SMD LED Green
CD40193 DIP 4-Bit Up/Down Binary Counter
2.54mm Male Pin Header 40 Pin - Black
74LS49 DIP BCD To 7-Segment Decoder/Driver with Open Collector Outputs
2SC2921 Power Transistor (15A,160V,150W)
S8550 / SS8550 TO-92 25V 0.5A PNP Transistor
HY1906 TO-220 Single N Channel Enhancement Mode MOSFET
CD4069 SOP Hex Inverter (6 Unbuffered Not Gate)
LM339 SOP / SMD Quad Single Supply Comparator IC 




There are no reviews yet.