Overview
The LT1963AEFE-3.3#TRPBF is a high-performance, low-dropout (LDO) linear voltage regulator produced by Analog Devices Inc. This regulator is designed to provide a stable 3.3V output with a current capability of up to 1.5A. It is particularly noted for its low noise and fast transient response, making it suitable for a wide range of applications, especially in automotive and industrial systems. The device is packaged in a 16-lead TSSOP-EP (Exposed Pad) package, which enhances thermal performance and reduces the footprint on the PCB.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Output Voltage | 3.3 | V |
| Output Current | 1.5 | A |
| Input Voltage (Max) | 20 | V |
| Voltage Dropout (Max) | 0.55 | V @ 1.5A |
| Operating Temperature | -40°C to 125°C | °C |
| Package Type | 16-TSSOP-EP | |
| PSRR (Power Supply Rejection Ratio) | 63 dB (at 120Hz) | dB |
| Quiescent Current (Iq) | 1.5 mA | mA |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | |
| RoHS Status | Compliant |
Key Features
- Low Dropout Voltage: The regulator has a maximum dropout voltage of 0.55V at 1.5A, ensuring efficient voltage regulation.
- Low Noise: It features low noise operation, making it suitable for sensitive electronic circuits.
- Fast Transient Response: The LT1963AEFE-3.3#TRPBF has a fast transient response, which helps in maintaining stable output voltage during sudden changes in load current.
- High PSRR: A high power supply rejection ratio (PSRR) of 63 dB at 120Hz ensures that the output voltage remains stable despite input voltage variations.
- Protection Features: The device includes protection features such as overcurrent, overtemperature, and reverse polarity protection to enhance reliability.
- Wide Operating Temperature Range: It operates over a temperature range of -40°C to 125°C, making it suitable for harsh environmental conditions.
Applications
The LT1963AEFE-3.3#TRPBF is versatile and can be used in various applications, including:
- Automotive Systems: Due to its wide operating temperature range and robust protection features, it is well-suited for automotive electronics.
- Industrial Control Systems: It can be used in industrial control systems where stable and reliable voltage regulation is critical.
- Communication Equipment: The low noise and fast transient response make it suitable for communication equipment and other sensitive electronic systems.
- Medical Devices: Its high PSRR and low dropout voltage make it a good choice for medical devices that require stable and reliable power supply.
Q & A
- What is the output voltage of the LT1963AEFE-3.3#TRPBF?
The output voltage of the LT1963AEFE-3.3#TRPBF is 3.3V.
- What is the maximum output current of the LT1963AEFE-3.3#TRPBF?
The maximum output current is 1.5A.
- What is the maximum input voltage for the LT1963AEFE-3.3#TRPBF?
The maximum input voltage is 20V.
- What is the voltage dropout for the LT1963AEFE-3.3#TRPBF at 1.5A?
The voltage dropout at 1.5A is 0.55V.
- What is the operating temperature range of the LT1963AEFE-3.3#TRPBF?
The operating temperature range is -40°C to 125°C.
- What package type is the LT1963AEFE-3.3#TRPBF available in?
The device is packaged in a 16-TSSOP-EP (Exposed Pad) package.
- What is the PSRR of the LT1963AEFE-3.3#TRPBF at 120Hz?
The PSRR at 120Hz is 63 dB.
- Does the LT1963AEFE-3.3#TRPBF have any protection features?
Yes, it includes overcurrent, overtemperature, and reverse polarity protection features.
- Is the LT1963AEFE-3.3#TRPBF RoHS compliant?
Yes, the device is RoHS compliant.
- What is the quiescent current (Iq) of the LT1963AEFE-3.3#TRPBF?
The quiescent current (Iq) is 1.5 mA.
