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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.

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.

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