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UC2874DW-2 from TI/BB,Texas Instruments

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UC2874DW-2

Manufacturer: TI/BB

2

Partnumber Manufacturer Quantity Availability
UC2874DW-2,UC2874DW2 TI/BB 48 In Stock

Description and Introduction

2 The UC2874DW-2 is a high-performance PWM controller manufactured by Texas Instruments (TI)/Burr-Brown (BB).  

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)/Burr-Brown (BB)  
- **Type:** PWM Controller  
- **Package:** SOIC-16 (DW)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Input Voltage Range:** Typically designed for offline or high-voltage applications  
- **Switching Frequency:** Adjustable (exact range depends on external components)  
- **Output Drive:** Push-pull or totem-pole MOSFET driver  
- **Features:** Includes soft-start, overcurrent protection, and error amplification  

### **Descriptions and Features:**  
- Designed for high-efficiency power supply applications  
- Provides precise PWM control for switching power converters  
- Includes built-in protection features such as undervoltage lockout (UVLO) and overcurrent protection  
- Adjustable dead-time control for optimized efficiency  
- Suitable for flyback, forward, and half-bridge converter topologies  

For exact electrical characteristics and application details, refer to the official datasheet from TI.

Partnumber Manufacturer Quantity Availability
UC2874DW-2,UC2874DW2 TI 2775 In Stock

Description and Introduction

2 The UC2874DW-2 is a high-performance current-mode PWM controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Package:** SOIC-16 (DW)  
- **Topology:** Current-Mode PWM Controller  
- **Operating Frequency:** Up to 1MHz  
- **Input Voltage Range:** 15V to 35V (VCC)  
- **Output Drive Current:** ±2A (Peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Soft-Start Function:** Yes  
- **UVLO (Undervoltage Lockout):** Yes  
- **Current Sense Input:** Yes  
- **Error Amplifier:** Built-in  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions and Features:**  
- Designed for high-frequency switching power supplies.  
- Provides precise current-mode control for improved loop response.  
- Includes a built-in oscillator with adjustable frequency.  
- Features cycle-by-cycle current limiting for protection.  
- Supports both voltage and current feedback control.  
- Suitable for flyback, forward, and push-pull converter designs.  
- Low start-up current for efficient power management.  
- Integrated soft-start to reduce inrush current.  
- Robust protection features including undervoltage lockout (UVLO).  

For detailed datasheet information, refer to the official Texas Instruments documentation.

Partnumber Manufacturer Quantity Availability
UC2874DW-2,UC2874DW2 UNITRODE 2500 In Stock

Description and Introduction

2 The UC2874DW-2 is a high-performance PWM controller manufactured by UNITRODE.  

### **Specifications:**  
- **Manufacturer:** UNITRODE  
- **Type:** Current Mode PWM Controller  
- **Package:** SOIC-16 (DW)  
- **Operating Frequency:** Up to 1MHz  
- **Input Voltage Range:** 15V to 30V (VCC)  
- **Output Drive Current:** ±2A (Peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Features:** Soft-start, undervoltage lockout (UVLO), cycle-by-cycle current limiting  

### **Descriptions and Features:**  
- Designed for high-frequency switching power supplies.  
- Supports both voltage and current mode control.  
- Includes precision reference, error amplifier, and oscillator.  
- Provides programmable dead-time control.  
- Features a totem-pole output stage for driving power MOSFETs.  
- Includes protection features like UVLO and overcurrent limiting.  

For exact electrical characteristics, refer to the official UNITRODE datasheet.

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