Overview
The LT1963AEQ-3.3#PBF is a high-performance, low dropout (LDO) voltage regulator produced by Analog Devices Inc. This regulator is designed to provide a fixed output voltage of 3.3V with a maximum output current of 1.5A. It is optimized for fast transient response and low noise, making it suitable for a wide range of applications that require stable and efficient power supply.
The device is available in a 5-lead D2PAK package, which is surface mountable, and operates over a temperature range of -40°C to 125°C. The LT1963AEQ-3.3#PBF is lead-free and RoHS compliant, ensuring environmental sustainability and compliance with regulatory standards.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Manufacturer | Analog Devices Inc. | |
| Type of Integrated Circuit | Voltage Regulator | |
| Kind of Voltage Regulator | Fixed, LDO | |
| Output Voltage | 3.3V | V |
| Output Current | 1.5A | A |
| Case | D2PAK-5 | |
| Mounting | SMD | |
| Number of Channels | 1 | |
| Operating Temperature | -40°C to 125°C | °C |
| Input Voltage (Max) | 20V | V |
| Quiescent Current | 1.5mA | mA |
| Voltage Dropout (Max) | 0.55V @ 1.5A | V |
| PSRR | 63dB (120Hz) | dB |
| Protection Features | Over Current, Over Temperature, Reverse Polarity |
Key Features
- Low dropout voltage of 0.55V at 1.5A output current
- Fast transient response and low noise (40µVRMS from 10Hz to 100kHz)
- High power supply rejection ratio (PSRR) of 63dB at 120Hz
- Low quiescent current of 1.5mA and less than 1µA in shutdown
- Stable operation with 10µF output capacitor and ceramic capacitors
- Protection features include overcurrent, overtemperature, and reverse polarity protection
- No reverse current and no protection diodes needed
- Lead-free and RoHS compliant
Applications
The LT1963AEQ-3.3#PBF is suitable for various applications requiring stable and efficient power supply, including:
- Industrial control systems
- Medical devices
- Automotive systems
- Telecommunication equipment
- Consumer electronics
- Power supplies for microprocessors and other high-current devices
Q & A
- What is the output voltage of the LT1963AEQ-3.3#PBF?
The output voltage of the LT1963AEQ-3.3#PBF is 3.3V.
- What is the maximum output current of the LT1963AEQ-3.3#PBF?
The maximum output current is 1.5A.
- What is the package type of the LT1963AEQ-3.3#PBF?
The device is packaged in a 5-lead D2PAK package.
- What is the operating temperature range of the LT1963AEQ-3.3#PBF?
The operating temperature range is -40°C to 125°C.
- Does the LT1963AEQ-3.3#PBF have built-in protection features?
Yes, it includes overcurrent, overtemperature, and reverse polarity protection.
- What is the quiescent current of the LT1963AEQ-3.3#PBF?
The quiescent current is 1.5mA.
- Is the LT1963AEQ-3.3#PBF lead-free and RoHS compliant?
Yes, it is lead-free and RoHS compliant.
- What is the dropout voltage of the LT1963AEQ-3.3#PBF at 1.5A output current?
The dropout voltage is 0.55V at 1.5A output current.
- What is the power supply rejection ratio (PSRR) of the LT1963AEQ-3.3#PBF?
The PSRR is 63dB at 120Hz.
- Can the LT1963AEQ-3.3#PBF operate with ceramic capacitors?
Yes, it is stable with ceramic capacitors.
