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UC1846J883B from TI,Texas Instruments

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UC1846J883B

Manufacturer: TI

Current Mode PWM Controller

Partnumber Manufacturer Quantity Availability
UC1846J883B TI 203 In Stock

Description and Introduction

Current Mode PWM Controller The UC1846J883B is a high-performance current-mode PWM controller manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** UC1846J883B  
- **Type:** Current-Mode PWM Controller  
- **Operating Temperature Range:** -55°C to +125°C (Military Grade)  
- **Supply Voltage (VCC):** Up to 40V  
- **Output Current (Peak):** 500mA (sink/source)  
- **Switching Frequency:** Up to 500kHz  
- **Duty Cycle Range:** 0% to 100%  
- **Package:** 16-pin CERDIP (J883B)  

### **Descriptions:**  
- The UC1846J883B is a military-grade PWM controller designed for high-reliability applications.  
- It operates in current-mode control, providing improved loop response and simplified compensation.  
- Suitable for DC-DC converters, power supplies, and motor control applications.  

### **Features:**  
- **Current-Mode Control:** Enhances transient response and simplifies feedback loop design.  
- **Programmable Oscillator:** Allows adjustable switching frequency.  
- **Soft-Start Capability:** Reduces inrush current during startup.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation under low supply conditions.  
- **Error Amplifier:** Provides precise voltage regulation.  
- **Synchronous Operation:** Supports multiple device synchronization.  
- **High Noise Immunity:** Robust design for harsh environments.  
- **Military Qualified:** Meets MIL-PRF-38535 standards.  

This information is based solely on the manufacturer's datasheet and specifications.

Partnumber Manufacturer Quantity Availability
UC1846J883B TIBB 35 In Stock

Description and Introduction

Current Mode PWM Controller The UC1846J883B is a high-performance current-mode PWM controller manufactured by Texas Instruments (TI). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** UC1846J883B  
- **Category:** Integrated Circuits (ICs)  
- **Type:** PWM Controller  
- **Topology:** Current-Mode  
- **Operating Temperature Range:** -55°C to +125°C (Military Grade)  
- **Package:** 16-CDIP (Ceramic Dual In-Line Package)  
- **Mounting Type:** Through-Hole  
- **Switching Frequency:** Up to 500 kHz  
- **Output Type:** Dual, Totem Pole  
- **Supply Voltage (VCC):** 8V to 40V  
- **Duty Cycle Max:** 50%  
- **Number of Outputs:** 2  
- **Current - Startup:** 0.5 mA  
- **Qualification:** MIL-PRF-38535 Class B  

### **Descriptions:**
- The UC1846J883B is a military-grade, high-reliability PWM controller designed for demanding applications.  
- It operates in current-mode control, providing improved loop response and simplified feedback compensation.  
- The device is radiation-hardened and suitable for aerospace, defense, and other high-reliability environments.  

### **Features:**
- **Current-Mode Control:** Enhances transient response and simplifies loop compensation.  
- **Programmable Oscillator:** Allows flexible frequency adjustment with external components.  
- **Soft-Start Capability:** Reduces inrush current during startup.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation within specified voltage ranges.  
- **Error Amplifier:** Includes a high-gain bandwidth amplifier for precise regulation.  
- **Synchronous Operation:** Supports synchronization with an external clock.  
- **High-Current Totem Pole Outputs:** Capable of driving power MOSFETs or IGBTs directly.  
- **MIL-PRF-38535 Class B Qualified:** Meets stringent military reliability standards.  

This information is based solely on the manufacturer's datasheet and technical documentation.

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