Overview
The LT1965EDD-3.3#PBF is a low noise, low dropout linear regulator produced by Analog Devices Inc. This regulator is part of the LT1965 series, known for its high performance and reliability in various electronic applications. It provides a fixed output voltage of 3.3V and can supply up to 1.1A of output current. The device is designed to operate with a wide input voltage range from 1.8V to 20V, making it versatile for different power supply requirements.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | LT1965EDD-3.3#PBF |
| Package / Case | 8-Lead (3mm x 3mm) Plastic DFN |
| Number of Pins | 8 |
| Operating Temperature Range | -40°C to 125°C |
| Output Voltage | 3.3V |
| Output Current | 1.1A |
| Input Voltage Range | 1.8V to 20V |
| Dropout Voltage | 310mV @ 1.1A |
| Quiescent Current | 500μA |
| Power Supply Rejection Ratio (PSRR) | 75dB @ 120Hz |
| Protection Features | Over Current, Over Temperature, Reverse Polarity |
Key Features
- Low noise and low dropout voltage, making it suitable for sensitive RF and DSP supply applications.
- Fixed output voltage of 3.3V with other fixed and adjustable options available in the series.
- Wide input voltage range from 1.8V to 20V.
- High output current capability of up to 1.1A.
- Low quiescent current of 500μA, reducing to less than 1μA in shutdown.
- Internal protection circuitry includes reverse-battery protection, current limiting with foldback, and thermal limiting.
- Stable operation with output capacitors as low as 10μF.
- Available in thermally enhanced 8-lead DFN packages.
Applications
The LT1965EDD-3.3#PBF is ideal for various applications requiring low noise and high current supply, such as:
- Sensitive RF and DSP supply applications.
- Automotive systems where robustness and reliability are crucial.
- Industrial control systems requiring stable and regulated power supply.
- Medical devices that demand low noise and high precision power regulation.
- Telecommunication equipment where reliable power supply is essential.
Q & A
- What is the output voltage of the LT1965EDD-3.3#PBF?
The output voltage of the LT1965EDD-3.3#PBF is 3.3V.
- What is the maximum output current of the LT1965EDD-3.3#PBF?
The maximum output current is 1.1A.
- What is the input voltage range for the LT1965EDD-3.3#PBF?
The input voltage range is from 1.8V to 20V.
- What are the key protection features of the LT1965EDD-3.3#PBF?
The device includes over current, over temperature, and reverse polarity protection.
- What is the typical dropout voltage of the LT1965EDD-3.3#PBF?
The typical dropout voltage is 310mV at 1.1A.
- What is the quiescent current of the LT1965EDD-3.3#PBF?
The quiescent current is 500μA.
- What is the operating temperature range for the LT1965EDD-3.3#PBF?
The operating temperature range is -40°C to 125°C.
- What package types are available for the LT1965 series?
The LT1965 series is available in 8-lead DFN, 5-lead TO-220, 5-lead DD-Pak, and MSOP packages.
- Is the LT1965EDD-3.3#PBF RoHS compliant?
Yes, the LT1965EDD-3.3#PBF is RoHS compliant.
- What are some typical applications for the LT1965EDD-3.3#PBF?
Typical applications include sensitive RF and DSP supply, automotive systems, industrial control systems, medical devices, and telecommunication equipment.
