Overview
The LT1764AEFE-3.3#TRPBF is a low dropout regulator (LDO) produced by Analog Devices Inc. This device is optimized for fast transient response and is capable of supplying up to 3A of output current. It features a low dropout voltage of 340mV at 3A, making it suitable for applications requiring high current and low voltage drop. The regulator also boasts low noise characteristics, with an output noise of 40µVRMS over the 10Hz to 100kHz frequency range. The LT1764AEFE-3.3#TRPBF is available in a TSSOP-16-EP package and operates over a wide input voltage range of 2.7V to 20V.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Output Current | 3 | A |
| Dropout Voltage | 340 | mV (at 3A) |
| Output Noise | 40 | µVRMS (10Hz to 100kHz) |
| Quiescent Current | 1 | mA |
| Input Voltage Range | 2.7 to 20 | V |
| Fixed Output Voltage | 3.3 | V |
| Adjustable Output Voltage Range | 1.21 to 20 | V |
| Quiescent Current in Shutdown | <1 | µA |
| Operating Temperature Range | -40 to 125 | °C |
| Package Type | TSSOP-16-EP |
Key Features
- Optimized for fast transient response
- Low dropout voltage of 340mV at 3A
- Low noise: 40µVRMS (10Hz to 100kHz)
- Wide input voltage range: 2.7V to 20V
- No protection diodes needed
- Controlled quiescent current in dropout
- Fixed output voltages available (e.g., 3.3V)
- Adjustable output voltage from 1.21V to 20V
- Stable with 10µF output capacitor (tantalum, ceramic, or aluminum electrolytic)
- Reverse battery protection and no reverse current
- Thermal limiting
Applications
The LT1764AEFE-3.3#TRPBF is suitable for a variety of applications requiring high current and low dropout voltage, such as:
- Power supply systems in industrial and automotive environments
- High-current battery-powered devices
- Telecommunication equipment
- Medical devices requiring stable and low-noise power supply
- Embedded systems and IoT devices
Q & A
- What is the maximum output current of the LT1764AEFE-3.3#TRPBF?
The maximum output current is 3A.
- What is the dropout voltage at 3A for the LT1764AEFE-3.3#TRPBF?
The dropout voltage at 3A is 340mV.
- What is the operating temperature range of the LT1764AEFE-3.3#TRPBF?
The operating temperature range is -40°C to 125°C.
- What types of output capacitors are supported by the LT1764AEFE-3.3#TRPBF?
The regulator is stable with 10µF output capacitors, including tantalum, ceramic, or aluminum electrolytic types.
- Does the LT1764AEFE-3.3#TRPBF have reverse battery protection?
- What is the quiescent current in shutdown mode for the LT1764AEFE-3.3#TRPBF?
The quiescent current in shutdown mode is less than 1µA.
- Can the output voltage of the LT1764AEFE-3.3#TRPBF be adjusted?
- What is the package type of the LT1764AEFE-3.3#TRPBF?
The device is packaged in a TSSOP-16-EP.
- What are some common applications for the LT1764AEFE-3.3#TRPBF?
- Does the LT1764AEFE-3.3#TRPBF require external protection diodes?
