Overview
The LT1963AES8-1.5#PBF is a low dropout (LDO) linear voltage regulator produced by Analog Devices Inc. This regulator is optimized for fast transient response and is capable of supplying up to 1.5A of output current. It features a low dropout voltage of 340mV, making it suitable for a wide range of applications requiring stable and efficient voltage regulation.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Output Current | 1.5A | A |
| Dropout Voltage | 0.34V (typ), 0.55V (max) @ 1.5A | V |
| Quiescent Current | 1mA (typ), <1µA in shutdown | mA/µA |
| Output Voltage | 1.5V (fixed) | V |
| Input Voltage Range | 2.21V to 20V | V |
| Operating Temperature Range | -40°C to 125°C | °C |
| Package Type | 8-SOIC | - |
| PSRR (Power Supply Rejection Ratio) | 63dB @ 120Hz | dB |
| Protection Features | Over Current, Over Temperature, Reverse Polarity | - |
Key Features
- Optimized for fast transient response
- Low noise: 40µVRMS (10Hz to 100kHz)
- 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
- Enable control feature
Applications
The LT1963AES8-1.5#PBF is suitable for various applications requiring high current and low dropout voltage, such as:
- Power supplies for embedded systems
- Industrial control systems
- Automotive systems
- Telecommunications equipment
- Medical devices
Q & A
- What is the maximum output current of the LT1963AES8-1.5#PBF?
The maximum output current is 1.5A.
- What is the typical dropout voltage at 1.5A load current?
The typical dropout voltage at 1.5A load current is 340mV.
- What is the quiescent current in normal operation and in shutdown mode?
The quiescent current is typically 1mA in normal operation and less than 1µA in shutdown mode.
- What is the fixed output voltage of the LT1963AES8-1.5#PBF?
The fixed output voltage is 1.5V.
- What is the operating temperature range of the device?
The operating temperature range is -40°C to 125°C.
- What type of package does the LT1963AES8-1.5#PBF come in?
The device comes in an 8-SOIC package.
- Does the LT1963AES8-1.5#PBF have built-in protection features?
Yes, it includes over current, over temperature, and reverse polarity protection.
- What is the PSRR of the LT1963AES8-1.5#PBF at 120Hz?
The PSRR is 63dB at 120Hz.
- Is the LT1963AES8-1.5#PBF stable with ceramic capacitors?
Yes, it is stable with ceramic capacitors as well as 10µF output capacitors.
- Does the LT1963AES8-1.5#PBF have an enable control feature?
Yes, it includes an enable control feature.
