Description
The LT3045EDD#PBF is a low-dropout (LDO) regulator from Analog Devices, designed for automotive applications. It's a positive voltage regulator that can provide up to 0.5A of output current with an input voltage range of 1.8V to 20V and an output voltage range of 0V to 15V. This device is known for its ultralow noise performance, high power supply rejection ratio (PSRR), and fast start-up capability.
The LT3045EDD#PBF is suitable for various applications such as RF power supplies, very low noise instrumentation, high-speed/high-precision data converters, medical applications, precision power supplies, and post-regulators for switching supplies. Its features include programmable output voltage, current limit, and power good, making it a versatile component for many electronic systems.
Features
The LT3045EDD#PBF features include:
- Ultralow RMS noise: 0.8µV RMS (10Hz to 100kHz)
- Ultralow spot noise: 2nV/√Hz at 10kHz
- Ultrahigh PSRR: 76dB at 1MHz
- Output current: 500mA
- Wide input voltage range: 1.8V to 20V
- Single capacitor improves noise and PSRR
- 100µA SET pin current with ±1% initial accuracy
- Programmable output voltage, current limit, and power good
- Fast start-up capability
- Precision enable/UVLO
- Parallelable for lower noise and higher current
- Internal current limit with foldback
- Reverse-battery and reverse-current protection
These features make the LT3045EDD#PBF suitable for applications such as RF power supplies, very low noise instrumentation, high-speed/high-precision data converters, medical devices, precision power supplies, and post-regulators for switching supplies.
Package
The package type of LT3045EDD#PBF is a 10-Lead DFN (3mm x 3mm w/ EP).
Manufacturer
The manufacturer of the LT3045EDD#PBF is Analog Devices, Inc. (ADI). ADI is a leading global semiconductor company that specializes in designing, manufacturing, and marketing high-performance analog, mixed-signal, and digital signal processing integrated circuits (ICs) for various industries such as automotive, industrial, medical, and consumer electronics.
Applications
According to the product information, the application areas of LT3045EDD#PBF are:
- RF Power Supplies (PLLs, VCOs, Mixers, LNAs, PAs)
- Very Low Noise Instrumentation
- High Speed/High Precision Data Converters
- Medical Applications (Imaging, Diagnostics)
- Precision Power Supplies
- Post-Regulator for Switching Supplies
Equivalent
The LT3045EDD#PBF is a low-dropout regulator with high accuracy and minimal noise. Equivalent products can be:
- Texas Instruments TPS73650: similar performance, but with a higher current rating.
- Maxim MAX8510: offering better noise performance and more configurability options.
Please note that the exact equivalent may depend on the specific application and requirements.
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