3A Low Dropout Regulator for Microprocessor Applications The LT1528CT is a low dropout (LDO) linear regulator manufactured by **Linear Technology (now part of Analog Devices)**.

### **Specifications:**
- **Output Voltage:** Adjustable or fixed versions available (specific variant-dependent)
- **Output Current:** Up to 3A
- **Dropout Voltage:** Typically 300mV at full load (3A)
- **Input Voltage Range:** Up to 20V
- **Line Regulation:** 0.02% (typical)
- **Load Regulation:** 0.1% (typical)
- **Quiescent Current:** ~10mA (typical)
- **Operating Temperature Range:** -40°C to +125°C
- **Package:** TO-220 (5-lead)

### **Descriptions:**
- Designed for high-performance, low-noise applications.
- Features low dropout voltage, making it suitable for battery-powered systems.
- Includes thermal shutdown and current limit protection.

### **Features:**
- **High Current Capability:** Supports up to 3A output.
- **Low Dropout Voltage:** Efficient operation with minimal headroom.
- **Adjustable Output (if applicable):** Can be set via external resistors.
- **Thermal Protection:** Prevents overheating damage.
- **Current Limit Protection:** Safeguards against excessive load conditions.
- **Stable with Low-ESR Capacitors:** Works well with ceramic or tantalum capacitors.

This regulator is commonly used in industrial, automotive, and telecom applications requiring stable power delivery.

3A Low Dropout Regulator for Microprocessor Applications

3A Low Dropout Regulator for Microprocessor Applications The LT1528CT is a low dropout (LDO) linear regulator manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** 3A  
- **Dropout Voltage:** 350mV (typical at full load)  
- **Input Voltage Range:** 4V to 20V  
- **Line Regulation:** 0.02% (typical)  
- **Load Regulation:** 0.04% (typical)  
- **Quiescent Current:** 10mA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-220 (5-lead)  

### **Descriptions:**  
- The LT1528CT is a high-performance LDO regulator designed for applications requiring high current with low dropout voltage.  
- It features low noise and high PSRR (Power Supply Rejection Ratio), making it suitable for sensitive analog and digital circuits.  
- The device includes thermal shutdown and current limit protection for enhanced reliability.  

### **Features:**  
- **Low Dropout Voltage:** 350mV at full load  
- **High Output Current:** 3A  
- **Low Noise:** Optimized for noise-sensitive applications  
- **Thermal Shutdown Protection:** Prevents overheating  
- **Current Limit Protection:** Safeguards against overloads  
- **Stable with Low-ESR Capacitors:** Works with ceramic or tantalum output capacitors  
- **Fast Transient Response:** Suitable for dynamic load conditions  

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

3A Low Dropout Regulator for Microprocessor Applications