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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.

Application Scenarios & Design Considerations

Current Mode PWM Controller
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.

Application Scenarios & Design Considerations

Current Mode PWM Controller

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