Overview
The LT1963AES8-3.3#PBF is a low dropout (LDO) linear voltage regulator from Analog Devices Inc., part of the LT1963A series. This regulator is designed to provide a fixed output voltage of 3.3V and is capable of supplying up to 1.5A of output current. It is optimized for fast transient response and low noise, making it suitable for a variety of applications, including sensitive RF supply systems.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Output Voltage | 3.3 | V |
| Max Output Current | 1.5 | A |
| Dropout Voltage | 0.34 to 0.55 | V |
| Quiescent Current | 1 mA | mA |
| Quiescent Current in Shutdown | <1 µA | µA |
| Operating Temperature Range | -40°C to 125°C | °C |
| Package Type | 8-Lead Plastic SOIC | |
| Ripple Rejection | 55 to 63 dB | dB |
| Current Limit | 1.6 to 2 A | A |
Key Features
- Optimized for fast transient response and low noise, making it ideal for sensitive RF supply applications.
- Low dropout voltage of 340mV at full load.
- Stable with output capacitors as low as 10µF, including ceramic capacitors.
- No protection diodes needed.
- Controlled quiescent current in dropout.
- Reverse battery protection, current limiting, and thermal limiting.
- No reverse current.
- Low output noise of 40µVRMS (10Hz to 100kHz).
Applications
- Sensitive RF supply systems.
- High-current linear regulator applications.
- Systems requiring low noise and fast transient response.
- Automotive and industrial power supplies.
- Telecommunications and networking equipment.
Q & A
- What is the output voltage of the LT1963AES8-3.3#PBF?
The output voltage is fixed at 3.3V.
- What is the maximum output current of the LT1963AES8-3.3#PBF?
The maximum output current is 1.5A.
- What is the dropout voltage of the LT1963AES8-3.3#PBF?
The dropout voltage ranges from 0.34V to 0.55V.
- What is the quiescent current of the LT1963AES8-3.3#PBF?
The quiescent current is 1 mA.
- What is the quiescent current in shutdown mode?
The quiescent current in shutdown is less than 1 µA.
- What is the operating temperature range of the LT1963AES8-3.3#PBF?
The operating temperature range is -40°C to 125°C.
- What type of package does the LT1963AES8-3.3#PBF come in?
The package type is 8-Lead Plastic SOIC.
- Does the LT1963AES8-3.3#PBF require external protection diodes?
No, external protection diodes are not needed.
- What are some key protection features of the LT1963AES8-3.3#PBF?
The device includes reverse battery protection, current limiting, and thermal limiting.
- What is the ripple rejection of the LT1963AES8-3.3#PBF?
The ripple rejection is between 55 to 63 dB.
