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UC3525BDW from TI,Texas Instruments

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UC3525BDW

Manufacturer: TI

Regulating Pulse Width Modulators

Partnumber Manufacturer Quantity Availability
UC3525BDW TI 5356 In Stock

Description and Introduction

Regulating Pulse Width Modulators The UC3525BDW is a pulse width modulation (PWM) controller manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** UC3525BDW  
- **Type:** PWM Controller  
- **Package:** SOIC-16 (DW)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Supply Voltage (VCC):** 8V to 35V  
- **Output Current (Source/Sink):** 200mA / 500mA  
- **Switching Frequency Range:** 100Hz to 500kHz  
- **Duty Cycle Range:** 0% to 100%  
- **Error Amplifier Bandwidth:** 5MHz  
- **Soft-Start Capability:** Yes  
- **Under-Voltage Lockout (UVLO):** Yes  

### **Descriptions:**
The UC3525BDW is a high-performance PWM controller designed for switch-mode power supply applications. It provides precise control over pulse width modulation for DC-DC converters, inverters, and motor drives. The device includes an onboard oscillator, error amplifier, soft-start control, and shutdown functionality, making it suitable for various power regulation tasks.

### **Features:**
- **Adjustable Frequency Oscillator:** Allows flexible frequency setting via external components.  
- **Synchronous Operation:** Multiple devices can be synchronized.  
- **Error Amplifier:** High-gain, wide-bandwidth amplifier for feedback control.  
- **Soft-Start:** Prevents high inrush currents during startup.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation only when the supply voltage is sufficient.  
- **Dual Output Drivers:** Push-pull outputs for driving power MOSFETs or IGBTs.  
- **Shutdown Function:** Immediate shutdown capability for fault protection.  
- **Dead-Time Control:** Adjustable dead time to prevent shoot-through in half-bridge or full-bridge configurations.  

This information is strictly factual and sourced from the manufacturer's documentation.

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