Overview
The LT1964IDD#TRPBF is a high-performance, low dropout (LDO) voltage regulator IC produced by Analog Devices, Inc. This device is part of the LT1964 family of low dropout linear regulators, known for their low noise, low quiescent current, and excellent line and load regulation. The LT1964IDD#TRPBF is capable of supplying up to 200mA of output current and features a wide input voltage range, making it suitable for various applications requiring stable and reliable voltage supply.
Key Specifications
| Parameter | Value |
|---|---|
| Output Current | 200mA |
| Dropout Voltage | 340mV |
| Input Voltage Range | 1.8V to 20V |
| Output Voltage Range | -1.22V to -20V (adjustable) |
| Quiescent Current | 30µA (operating), 3µA (shutdown) |
| Output Noise (10Hz to 100kHz) | 30µVRMS |
| Package/Case | 8-Lead (3mm x 3mm) Plastic DFN |
| Operating Junction Temperature | -40°C to 125°C |
| Thermal Protection | Thermal limiting and current limiting |
Key Features
- Low noise operation with 30µVRMS output noise over a 10Hz to 100kHz bandwidth.
- Low dropout voltage of 340mV.
- Low quiescent current of 30µA in operating mode and 3µA in shutdown mode.
- Wide input voltage range from 1.8V to 20V.
- Adjustable output voltage from -1.22V to -20V.
- Stable with small ceramic capacitors as low as 1µF.
- Internal protection features including reverse output protection, current limiting, and thermal limiting.
- Positive or negative shutdown logic.
Applications
The LT1964IDD#TRPBF is commonly used in applications requiring a low dropout voltage regulator, such as:
- Automotive electronics.
- Industrial control systems.
- Portable electronic devices.
- Battery-powered instruments.
- Low noise regulators for noise-sensitive instrumentation.
Q & A
- Q: What is the output current capability of the LT1964IDD#TRPBF?
A: The LT1964IDD#TRPBF can supply up to 200mA of output current.
- Q: What is the dropout voltage of the LT1964IDD#TRPBF?
A: The dropout voltage is 340mV.
- Q: What is the input voltage range for the LT1964IDD#TRPBF?
A: The input voltage range is from 1.8V to 20V.
- Q: What is the quiescent current of the LT1964IDD#TRPBF?
A: The quiescent current is 30µA in operating mode and 3µA in shutdown mode.
- Q: What is the output noise of the LT1964IDD#TRPBF?
A: The output noise is 30µVRMS over a 10Hz to 100kHz bandwidth.
- Q: What package options are available for the LT1964IDD#TRPBF?
A: The device is available in an 8-Lead (3mm x 3mm) Plastic DFN package.
- Q: What are the thermal protection features of the LT1964IDD#TRPBF?
A: The device includes thermal limiting and current limiting protection features.
- Q: What are the common applications for the LT1964IDD#TRPBF?
A: Common applications include automotive electronics, industrial control systems, portable electronic devices, and battery-powered instruments.
- Q: How can I obtain detailed information about the LT1964IDD#TRPBF, such as application notes and datasheets?
A: You can find comprehensive details, including application notes and datasheets, on the Analog Devices, Inc. website or through authorized distributors like Ovaga and Kynix.
- Q: Is the LT1964IDD#TRPBF stable with small ceramic capacitors?
A: Yes, the LT1964IDD#TRPBF is stable with small ceramic capacitors as low as 1µF.
