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UC3524DW from TI,Texas Instruments

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UC3524DW

Manufacturer: TI

Advanced Regulating Pulse Width Modulators

Partnumber Manufacturer Quantity Availability
UC3524DW TI 1139 In Stock

Description and Introduction

Advanced Regulating Pulse Width Modulators The UC3524DW is a pulse width modulation (PWM) controller manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** UC3524DW  
- **Type:** PWM Controller  
- **Package:** SOIC-16 (DW)  
- **Operating Temperature Range:** -25°C to +85°C  
- **Input Voltage Range:** 8V to 40V  
- **Output Current (Per Channel):** 100mA  
- **Switching Frequency:** Adjustable (up to 300kHz)  
- **Duty Cycle Range:** 0% to 45% (single-ended), 0% to 90% (push-pull)  
- **Reference Voltage:** 5V ±1%  
- **Error Amplifier Gain Bandwidth:** 3MHz (typical)  

### **Descriptions:**
- The UC3524DW is a fixed-frequency PWM controller designed for DC-DC converter and power supply applications.  
- It features an internal 5V reference, error amplifier, oscillator, pulse-steering flip-flop, and two open-collector output transistors.  
- The device is commonly used in push-pull, flyback, and forward converter topologies.  

### **Features:**
- Adjustable frequency oscillator  
- Dual alternating outputs for push-pull operation  
- Current-limiting and shutdown capabilities  
- Under-voltage lockout (UVLO) protection  
- High-gain error amplifier for precise regulation  
- Synchronizable oscillator for multi-unit operation  

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

Application Scenarios & Design Considerations

Advanced Regulating Pulse Width Modulators
Partnumber Manufacturer Quantity Availability
UC3524DW UNITRODE 100 In Stock

Description and Introduction

Advanced Regulating Pulse Width Modulators The UC3524DW is a pulse width modulation (PWM) controller manufactured by UNITRODE. Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Manufacturer:** UNITRODE  
- **Type:** PWM Controller  
- **Output Type:** Push-Pull  
- **Topology:** Buck, Boost, Flyback, Forward  
- **Frequency Range:** Up to 500 kHz  
- **Supply Voltage (VCC):** 8V to 40V  
- **Output Current:** 100mA (sink/source per channel)  
- **Duty Cycle Range:** 0% to 45% (adjustable)  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package:** SOIC-16  

### **Descriptions:**  
The UC3524DW is a fixed-frequency PWM controller designed for DC-DC converter and power supply applications. It includes an on-board oscillator, error amplifier, voltage reference, and dual alternating outputs for push-pull or single-ended configurations.  

### **Features:**  
- Adjustable dead-time control  
- Dual alternating outputs for push-pull operation  
- On-chip 5V reference voltage (±1% accuracy)  
- Soft-start capability  
- Under-voltage lockout (UVLO) protection  
- Current-limiting protection  
- Compatible with voltage-mode and current-mode control  

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

Application Scenarios & Design Considerations

Advanced Regulating Pulse Width Modulators

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