UC3843B Integrated Circuit Original ST
Your orders placed before 17:00 PM on weekdays are shipped the same day. Free shipping over 150 RON.
Our products are shipped from our warehouse in Romania
Shipping is free for purchases of 150 RON and above.
5% discount coupon for purchases over 500 RON
10% discount coupon for purchases over 1000 RON
Same day shipping until 16:30
No minimum order price limit
Our products are shipped from our warehouse in Romania
Shipping is free for purchases of 150 RON and above.
5% discount coupon for purchases over 500 RON
10% discount coupon for purchases over 1000 RON
Same day shipping until 16:30
No minimum order price limit
Our products are shipped from our warehouse in Romania
Shipping is free for purchases of 150 RON and above.
5% discount coupon for purchases over 500 RON
10% discount coupon for purchases over 1000 RON
Same day shipping until 16:30
No minimum order price limit
Our products are shipped from our warehouse in Romania
Shipping is free for purchases of 150 RON and above.
5% discount coupon for purchases over 500 RON
10% discount coupon for purchases over 1000 RON
Same day shipping until 16:30
No minimum order price limit
Our products are shipped from our warehouse in Romania
Shipping is free for purchases of 150 RON and above.
5% discount coupon for purchases over 500 RON
10% discount coupon for purchases over 1000 RON
Same day shipping until 16:30
No minimum order price limit
Our products are shipped from our warehouse in Romania
Shipping is free for purchases of 150 RON and above.
5% discount coupon for purchases over 500 RON
10% discount coupon for purchases over 1000 RON
Same day shipping until 16:30
No minimum order price limit
Our products are shipped from our warehouse in Romania
Shipping is free for purchases of 150 RON and above.
5% discount coupon for purchases over 500 RON
10% discount coupon for purchases over 1000 RON
Same day shipping until 16:30
No minimum order price limit
Our products are shipped from our warehouse in Romania
Shipping is free for purchases of 150 RON and above.
5% discount coupon for purchases over 500 RON
10% discount coupon for purchases over 1000 RON
Same day shipping until 16:30
No minimum order price limit
Our products are shipped from our warehouse in Romania
Shipping is free for purchases of 150 RON and above.
5% discount coupon for purchases over 500 RON
10% discount coupon for purchases over 1000 RON
Same day shipping until 16:30
No minimum order price limit
Our products are shipped from our warehouse in Romania
Shipping is free for purchases of 150 RON and above.
5% discount coupon for purchases over 500 RON
10% discount coupon for purchases over 1000 RON
Same day shipping until 16:30
No minimum order price limit
UC3843B Integrated Circuit Original ST
The UC3843B is a high-performance, fixed-frequency, current-mode PWM (Pulse Width Modulation) controller. It is commonly used in switch-mode power supplies (SMPS), DC-DC converters, and adapter circuits.
Key Features
- Operating Voltage: 8V – 35V
- Output Current: 1 A
- Switching Frequency: Up to 500 kHz
- UVLO (Undervoltage Lockout) Threshold: 8.4V (on) / 7.6V (off)
- Output Type: Totem-pole driver (suitable for driving MOSFETs)
- Reference Voltage: 5V (±2% accuracy)
- Operating Temperature Range: 0°C to 70°C
- Package Types: DIP-8 and SOP-8
Applications
- Off-line and DC-DC converters
- High-efficiency switch-mode power supplies
- LED driver circuits
- Power modules for industrial and consumer electronics
Your orders placed before 16:30 on weekdays are dispatched the same day.
