UC3843BN PWM Controller IC | SMPS Current Mode DIP-8
Original price was: ₹48.00.₹39.00Current price is: ₹39.00.
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Key Features
- Current-mode PWM control
- Switching frequency up to 500kHz
- Low startup current (<0.5mA)
- Undervoltage lockout with hysteresis
- Cycle-by-cycle current limiting
- High current totem-pole output
- Trimmed oscillator for precise control
- MPN: UC3843BN
- Brand: ST Microelectronics
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UC3843BN PWM Controller IC | SMPS Current Mode DIP-8
UC3843BN is a high-performance current-mode PWM controller IC designed for SMPS, flyback, and boost converters with high efficiency and low startup current.
The UC3843BN from STMicroelectronics is a widely used current-mode PWM controller IC for switch-mode power supplies (SMPS) and DC-DC converter applications.
It supports boost and flyback topologies and offers precise frequency control with a switching capability up to 500kHz, ensuring efficient power conversion.
This IC features low startup current (<0.5mA), undervoltage lockout, and cycle-by-cycle current limiting, making it highly reliable for industrial and consumer electronics.
The DIP-8 package makes it suitable for through-hole designs and prototyping applications.
Key Features
- Current-mode PWM control
- Switching frequency up to 500kHz
- Low startup current (<0.5mA)
- Undervoltage lockout with hysteresis
- Cycle-by-cycle current limiting
- High current totem-pole output
- Trimmed oscillator for precise control
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | DIP-8 |
| Supply Voltage | 7.6V – 30V |
| Frequency | Up to 500kHz |
| Topology | Boost, Flyback |
| Duty Cycle | Up to 96% |
| Output | Transistor Driver |
| Temp Range | 0°C to 70°C |
Applications
- SMPS Power Supplies
- DC-DC Converters
- LED Drivers
- Battery Chargers
- Industrial Power Systems
| Weight | 1 g |
|---|
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