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UC2845BD1013-TR from ST,ST Microelectronics

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UC2845BD1013-TR

Manufacturer: ST

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

Partnumber Manufacturer Quantity Availability
UC2845BD1013-TR,UC2845BD1013TR ST 1418 In Stock

Description and Introduction

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER The UC2845BD1013-TR is a PWM (Pulse Width Modulation) controller manufactured by STMicroelectronics (ST).  

### **Key Specifications:**  
- **Manufacturer:** STMicroelectronics (ST)  
- **Part Number:** UC2845BD1013-TR  
- **Type:** Current Mode PWM Controller  
- **Topology:** Flyback, Forward, Boost, Buck  
- **Input Voltage (Vcc):** 8.5V to 30V  
- **Output Voltage:** Adjustable via external components  
- **Switching Frequency:** Up to 500kHz  
- **Duty Cycle:** 0% to 100%  
- **Operating Temperature Range:** -40°C to +105°C  
- **Package:** SOIC-8  

### **Descriptions and Features:**  
- **Current Mode Control:** Provides cycle-by-cycle current limiting for improved transient response.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation within specified voltage range.  
- **Soft-Start Capability:** Reduces inrush current during startup.  
- **Error Amplifier:** Includes a high-gain amplifier for feedback control.  
- **PWM Latch:** Ensures single pulse per period for noise immunity.  
- **Totem Pole Output:** Capable of driving power MOSFETs directly.  
- **Low Startup Current:** Typically 0.5mA for efficient power-up.  
- **Oscillator Sync Capability:** Allows synchronization with external clock signals.  

This IC is commonly used in switch-mode power supplies (SMPS), DC-DC converters, and battery chargers.

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