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UC3843BL-D08-T from UTC

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UC3843BL-D08-T

Manufacturer: UTC

HIGH PERFORMANCE CURRENT MODE CONTROLLERS

Partnumber Manufacturer Quantity Availability
UC3843BL-D08-T,UC3843BLD08T UTC 2000 In Stock

Description and Introduction

HIGH PERFORMANCE CURRENT MODE CONTROLLERS The UC3843BL-D08-T is a current-mode PWM controller manufactured by UTC (Unisonic Technologies). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** UTC (Unisonic Technologies)  
- **Package:** SOIC-8 (D08)  
- **Operating Voltage Range:** 7.6V to 30V  
- **Output Current:** ±1A (Peak)  
- **Switching Frequency:** Up to 500kHz  
- **Duty Cycle Range:** 0% to 100%  
- **Reference Voltage:** 5V (±1%)  
- **Low Startup Current:** <1mA  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
- The UC3843BL-D08-T is a fixed-frequency PWM controller designed for DC-DC converter applications.  
- It operates in current-mode control, providing improved loop response and simplified feedback compensation.  
- Features include an adjustable oscillator, precision reference voltage, and high-current totem-pole output.  

### **Features:**  
- **Current-Mode Operation** for enhanced transient response.  
- **Under-Voltage Lockout (UVLO)** with hysteresis.  
- **Internal Trimmed Reference** for accurate voltage regulation.  
- **Cycle-by-Cycle Current Limiting** for protection.  
- **Single-Ended Output** for driving power MOSFETs.  
- **Low Startup and Operating Current** for efficiency.  

This information is sourced from UTC's official documentation.

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