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LT1963

500mA, Low Voltage, Very Low Dropout Linear Regulator

Partnumber Manufacturer Quantity Availability
LT1963 25 In Stock

Description and Introduction

500mA, Low Voltage, Very Low Dropout Linear Regulator The LT1963 is a low dropout voltage (LDO) regulator manufactured by Analog Devices. Below are the factual specifications, descriptions, and features based on the manufacturer's data:

### **Specifications:**
- **Output Voltage Range:** 1.21V to 20V (adjustable) or fixed voltages (1.5V, 1.8V, 2.5V, 3.3V, 5V)
- **Output Current:** 1.5A
- **Dropout Voltage:** 340mV typical at full load (1.5A)
- **Input Voltage Range:** Up to 20V
- **Quiescent Current:** 1mA (typical)
- **Line Regulation:** 0.02% (typical)
- **Load Regulation:** 0.05% (typical)
- **Ripple Rejection:** 75dB (typical at 1kHz)
- **Operating Temperature Range:** -40°C to +125°C
- **Package Options:** TO-220, DD-Pak, SOT-223, and DFN

### **Descriptions:**
- The LT1963 is a high-performance LDO regulator designed for applications requiring high current and low noise.
- It features fast transient response and stable operation with low ESR capacitors (as low as 10mΩ).
- The device includes protection features such as current limiting, thermal shutdown, and reverse battery protection.

### **Features:**
- **Low Dropout Voltage:** 340mV at 1.5A load.
- **Low Noise:** Optimized for noise-sensitive applications.
- **Fast Transient Response:** Maintains stability under dynamic load conditions.
- **Wide Input Voltage Range:** Supports up to 20V input.
- **Adjustable Output:** Can be set via external resistors.
- **Thermal Shutdown:** Prevents overheating.
- **Current Limit Protection:** Safeguards against excessive current draw.
- **Reverse Battery Protection:** Enhances reliability in automotive and industrial applications.

This information is sourced directly from Analog Devices' official documentation for the LT1963.

Partnumber Manufacturer Quantity Availability
LT1963 LT 100 In Stock

Description and Introduction

500mA, Low Voltage, Very Low Dropout Linear Regulator The LT1963 is a low dropout (LDO) regulator manufactured by Linear Technology (now part of Analog Devices). Here are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage Range:** 1.21V to 20V (adjustable) or fixed options (1.5V, 1.8V, 2.5V, 3.3V, 5V).  
- **Output Current:** 1.5A (guaranteed).  
- **Dropout Voltage:** 340mV (typical) at 1.5A load.  
- **Input Voltage Range:** 1.8V to 20V.  
- **Line Regulation:** 0.02% (typical).  
- **Load Regulation:** 0.05% (typical).  
- **Quiescent Current:** 1mA (typical) in operation, drops to <1µA in shutdown.  
- **Ripple Rejection:** 75dB (typical) at 1kHz.  
- **Operating Temperature Range:** -40°C to +125°C.  
- **Package Options:** TO-220, DD-Pak, SOT-223, and 8-lead SOIC.  

### **Descriptions:**
- The LT1963 is a high-performance LDO regulator designed for applications requiring low noise, high PSRR, and fast transient response.  
- It features low dropout voltage, making it suitable for battery-powered systems.  
- Includes protection features like current limiting, thermal shutdown, and reverse-battery protection.  

### **Features:**
- **Low Noise:** Optimized for noise-sensitive applications.  
- **High PSRR:** Excellent line and load transient rejection.  
- **Adjustable Output:** Can be set via external resistors.  
- **Fast Transient Response:** Maintains stability with minimal output capacitance.  
- **Protection Circuits:** Includes overcurrent and thermal shutdown.  
- **Wide Input Range:** Supports a broad range of input voltages.  

The LT1963 is commonly used in industrial, automotive, and portable electronics where stable, low-noise power is critical.  

(Note: Always refer to the official datasheet for detailed and updated specifications.)

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