UC3844BD1013TR Current Mode PWM Controller IC – SOIC-8 | SMPS Power IC
₹55.00 Original price was: ₹55.00.₹30.00Current price is: ₹30.00.
Key Features
- Current-mode PWM control
- Switching frequency up to 500kHz
- Low startup current (<0.5mA)
- Undervoltage lockout (UVLO)
- Cycle-by-cycle current limiting
- High current totem-pole output
- Optimized for SMPS and DC-DC converters
- MPN: UC3844BD1013TR
- Brand: ST Microelectronics
Out of stock
UC3844BD1013TR Current Mode PWM Controller IC – SOIC-8 | SMPS Power IC
UC3844BD1013TR is a fixed-frequency current-mode PWM controller IC designed for SMPS, flyback, and boost converters with high efficiency and low startup current.
The UC3844BD1013TR by STMicroelectronics is a high-performance current-mode PWM controller IC widely used in switch-mode power supplies (SMPS) and DC-DC converter applications.
It supports boost and flyback topologies with precise duty cycle control and high-frequency operation up to 500kHz, ensuring efficient power conversion in compact designs.
Designed with low startup current (<0.5mA) and built-in protection features like undervoltage lockout and current limiting, it provides reliable performance in industrial and consumer electronics.
Key Features
- Current-mode PWM control
- Switching frequency up to 500kHz
- Low startup current (<0.5mA)
- Undervoltage lockout (UVLO)
- Cycle-by-cycle current limiting
- High current totem-pole output
- Optimized for SMPS and DC-DC converters
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | SOIC-8 |
| Supply Voltage | 10V – 30V |
| Frequency | Up to 500kHz |
| Topology | Boost, Flyback |
| Duty Cycle | Max 48% |
| 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 |
|---|
You may also like…
-
STM32G070CBT6 – Microcontroller – ST Microelectronics
₹250.00Original price was: ₹250.00.₹104.00Current price is: ₹104.00.Read moreAttribute Specification Core ARM Cortex‑M0+ @ up to 64 MHz Flash / SRAM 128 KB / 36 KB Supply Voltage 2.0 V – 3.6 V Operating Temp –40 °C to +85 °C Peripherals ADC, USART ×4, SPI ×2, I²C ×2, timers, DMA, RTC, CRC Security EEPROM protection, MPU support Low‑Power Modes Sleep, Stop, Standby Package Options LQFP-48(7×7) -
LM2596 3A DC-DC Step Down Adjustable Buck Converter Module
₹99.00Original price was: ₹99.00.₹49.00Current price is: ₹49.00.Add to cartFeatures
- Wide input voltage range: 4V – 40V DC
- Adjustable output: 1.25V – 37V DC
- Maximum output current: 3A
- High efficiency up to 92%
- Built-in LM2596 buck converter IC
- On-board precision potentiometer for voltage adjustment
- Low ripple and stable output
- Thermal shutdown and current limiting protection
- Compact PCB size, easy for DIY projects
- Ideal for battery, LED, and Arduino power circuits
Related products
-
TPS563231DRLR Synchronous Step-Down Regulator
₹45.00Original price was: ₹45.00.₹25.00Current price is: ₹25.00.Add to cartFeatures:
- Wide Input Voltage Range: 4.5 V – 17 V
- Output Current: Up to 3 A continuous
- Output Voltage Range: 0.6 V – 7 V (adjustable via feedback resistors)
- High Efficiency: Up to 95% at full load
- Switching Frequency: Fixed 600 kHz, optimized for small-size inductors
- Control Scheme: D-CAP3™ mode – fast transient response with no external compensation
- Low Quiescent Current: ~17 µA (typical at light load)
- Integrated MOSFETs: Internal high- and low-side FETs for compact design
- Soft-Start Time: 1 ms (typical) to reduce inrush current
- Power-Good Output: Built-in PGOOD signal for system monitoring
- Protection Features:
- Over-Current Protection (OCP)
- Thermal Shutdown (TSD)
- Undervoltage Lockout (UVLO)
- Output Overvoltage Protection (OVP)
- Package: Compact 6-pin SOT-563 (DRL) package
- Operating Temperature: –40 °C to +125 °C
-
TPS53311RGTR Synchronous Step-Down Converter
₹55.00Original price was: ₹55.00.₹32.00Current price is: ₹32.00.Add to cartFeatures:
- Delivers up to 30A continuous output current
- 4.5V to 14V input and 0.6V to 5.5V adjustable output
- Integrated MOSFETs for high efficiency
- D-CAP™ mode control for superior transient performance
- QFN-16-EP (3x3mm) compact package
- Thermal pad for enhanced heat dissipation
- RoHS compliant, lead-free design
-
TPS563209DDCR Synchronous Step-Down Converter
₹30.00Original price was: ₹30.00.₹20.00Current price is: ₹20.00.Add to cartFeatures:
- Input voltage range: 4.5V to 17V
- Output current: Up to 3A
- High efficiency: Up to 95%
- 650 kHz switching frequency
- Low quiescent current (IQ = 25 µA)
- Internal soft-start and current-mode control
- Cycle-by-cycle overcurrent protection
- Thermal shutdown and undervoltage lockout
- Compact SOT-23-6 package
-
TPS56C230RJER Synchronous Buck Converter
₹90.00Original price was: ₹90.00.₹65.00Current price is: ₹65.00.Add to cartFeatures:
- Wide Input Voltage Range: 4.5 V to 18 V
- High Output Current: Up to 12 A continuous load
- Integrated Power MOSFETs: 17 mΩ (high side) and 5.9 mΩ (low side) for high efficiency
- Control Scheme: Advanced D-CAP3™ mode for fast transient response and easy loop compensation
- Selectable Modes: Eco-mode™ (light-load efficiency) or Forced Continuous Conduction Mode (FCCM)
- Adjustable Soft-Start and Output Voltage Tracking
- Low Output Ripple: Supports all-ceramic output capacitors with ultra-low ESR
- Power Good Output and Enable Control
- Integrated OVP, UVP, SCP, OTP Protections
- Thermal Shutdown Protection
- Compact Package: 20-pin HotRod™ VQFN (3.0 mm × 3.0 mm)
- Operating Junction Temperature: –40 °C to +125 °C








Reviews
There are no reviews yet.