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LT1963AEQ-1.8 from LT

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LT1963AEQ-1.8

Manufacturer: LT, LINEAR

1.5A/ Low Noise/ Fast Transient Response LDO Regulators

Partnumber Manufacturer Quantity Availability
LT1963AEQ-1.8,LT1963AEQ18 LT, LINEAR 765 In Stock

Description and Introduction

1.5A/ Low Noise/ Fast Transient Response LDO Regulators The LT1963AEQ-1.8 is a low dropout (LDO) linear regulator manufactured by Analog Devices (formerly Linear Technology). Below are the factual specifications, descriptions, and features from the manufacturer's datasheet:

### **Manufacturer:**  
Analog Devices (formerly Linear Technology)  

### **Part Number:**  
LT1963AEQ-1.8  

### **Description:**  
The LT1963AEQ-1.8 is a fixed-output, low dropout voltage regulator with an output voltage of **1.8V**. It is designed to deliver up to **1.5A** of output current with a low dropout voltage of **340mV** (typical at full load).  

### **Key Features:**  
- **Output Voltage:** Fixed **1.8V**  
- **Output Current:** Up to **1.5A**  
- **Low Dropout Voltage:** **340mV** (typical at full load)  
- **Low Noise:** **40µV RMS** (10Hz to 100kHz)  
- **Wide Input Voltage Range:** **1.8V to 20V**  
- **Adjustable Output (Other Variants):** The LT1963 series includes adjustable versions, but the LT1963AEQ-1.8 is fixed at 1.8V.  
- **Fast Transient Response:** Optimized for stability with low ESR capacitors (≥10µF)  
- **Protection Features:**  
  - **Reverse Battery Protection**  
  - **Reverse Current Protection**  
  - **Thermal Shutdown**  
  - **Current Limit with Foldback**  
- **Operating Temperature Range:** **-40°C to +125°C**  
- **Package:** **5-Lead DD-Pak (TO-263)**  

### **Applications:**  
- Battery-powered systems  
- High-performance digital circuits (FPGA, DSP, ASIC)  
- Post-regulation for switching supplies  
- Noise-sensitive applications  

This information is sourced from the official LT1963 datasheet by Analog Devices (Linear Technology). For detailed electrical characteristics and application circuits, refer to the datasheet.

Application Scenarios & Design Considerations

1.5A/ Low Noise/ Fast Transient Response LDO Regulators

Alternative Part Number

  • TPS7A4718 --: Low-noise 1.8V LDO with similar dropout and current capability, pin-compatible in many designs and from a different series.
  • ADP1741ACPZ-1.8 --: 1.8V fixed LDO with comparable 1A output and low dropout, suitable drop-in replacement with different naming.
  • MIC29152-1.8 --: 1.8V fixed LDO regulator offering similar current and thermal performance for the same application.
  • ADP1741 --: 1.8V low-dropout regulator with comparable load current and noise performance, suitable drop-in replacement for many LT1963 applications.
  • MIC29152 --: Adjustable/1.8V-capable high-current LDO with similar dropout characteristics, commonly used as an alternative to the LT1963 series.

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