Overview
The LT1963AEQ#TRPBF is a low dropout (LDO) voltage regulator produced by Analog Devices Inc. This component is part of the LT1963A series, which is optimized for fast transient response and low noise operation. It is designed to supply up to 1.5A of output current, making it suitable for a variety of high-current applications. The regulator is available in several package types, including the 5-Lead Plastic DD-Pak, and operates over a temperature range of –40°C to 125°C.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Input Voltage | 2.1 | 20 | V | |
| Output Current | 1.5 | A | ||
| Dropout Voltage | 340 | mV | ||
| Output Voltage Range (Adjustable) | 1.21 | 20 | V | |
| Fixed Output Voltages | 1.5, 1.8, 2.5, 3.3 | V | ||
| Quiescent Current | 1 | mA | ||
| Quiescent Current in Shutdown | <1 | µA | ||
| Noise (10Hz to 100kHz) | 40 | µVRMS | ||
| Temperature Range | –40 | 125 | °C |
Key Features
- Optimized for fast transient response
- Low noise operation: 40µVRMS (10Hz to 100kHz)
- Low dropout voltage: 340mV
- High output current: up to 1.5A
- Adjustable output voltage from 1.21V to 20V
- Fixed output voltages available: 1.5V, 1.8V, 2.5V, 3.3V
- Low quiescent current: 1mA
- No protection diodes needed
- Controlled quiescent current in dropout
- Stable with 10µF output capacitor and ceramic capacitors
- Reverse battery protection and no reverse current
- Thermal limiting
- AEC-Q100 qualified for automotive applications
Applications
- Automotive systems: The LT1963AEQ#TRPBF is AEC-Q100 qualified, making it suitable for use in automotive applications.
- Industrial power supplies: Its high current capability and fast transient response make it ideal for industrial power supply systems.
- Telecommunications: Used in telecommunications equipment where low noise and high current stability are required.
- Medical devices: Suitable for medical devices that require reliable and low-noise power supply.
- General-purpose power regulation: Can be used in various applications requiring high-current, low-dropout voltage regulation.
Q & A
- What is the maximum output current of the LT1963AEQ#TRPBF?
The maximum output current is 1.5A.
- What is the dropout voltage of the LT1963AEQ#TRPBF?
The dropout voltage is 340mV.
- What is the noise level of the LT1963AEQ#TRPBF?
The noise level is 40µVRMS over the 10Hz to 100kHz frequency range.
- What are the available fixed output voltages for the LT1963AEQ#TRPBF?
The fixed output voltages available are 1.5V, 1.8V, 2.5V, and 3.3V.
- What is the quiescent current of the LT1963AEQ#TRPBF?
The quiescent current is 1mA.
- Is the LT1963AEQ#TRPBF stable with ceramic capacitors?
Yes, it is stable with ceramic capacitors.
- Does the LT1963AEQ#TRPBF have reverse battery protection?
Yes, it has reverse battery protection and no reverse current.
- What is the temperature range of the LT1963AEQ#TRPBF?
The temperature range is –40°C to 125°C.
- Is the LT1963AEQ#TRPBF AEC-Q100 qualified?
Yes, it is AEC-Q100 qualified for automotive applications.
- What are the available package types for the LT1963AEQ#TRPBF?
The available package types include 5-Lead Plastic DD-Pak, 3-Lead SOT-223, and 8-Lead SO packages.
