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LT3045EDD#PBF
+БОМIC REG LIN POS PROG 500MA 10DFN
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ПроизводительКомпания Analog Devices Inc.
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Мфр. Часть #LT3045EDD#PBF
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Лист данных LT3045EDD#PBF DataSheet
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Пакет 10-DFN (3x3)
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В наличии2412
365 Дни гарантии качества
7*24 часы обслуживания каранти
90-гарантия послепродажного дня
Гарантия подлинного продукта
Спецификации
| Атрибут | Ценность |
| Package | Tube |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Adjustable |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 20V |
| Voltage-Output(Min/Fixed) | 0V |
| Voltage-Output(Max) | 15V |
| VoltageDropout(Max) | 0.45V @ 500mA |
| Current-Output | 500mA |
| Current-Quiescent(Iq) | 20 µA |
| Current-Supply(Max) | 25 mA |
| PSRR | 117dB ~ 53dB (120Hz ~ 10MHz) |
| ControlFeatures | Enable, Power Good, Soft Start |
| ProtectionFeatures | Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 10-WFDFN Exposed Pad |
Обзор
Description
The device offers an output current capability of up to 500 mA with an input voltage range of 2.8V to 20V. It features a programmable output voltage set by external resistors, with a typical accuracy of ±2%. The LT3045EDD#PBF achieves extremely low output noise of 0.8µVRMS and a high PSRR of 76 dB at 1 MHz, ensuring clean, stable power delivery.
Additional features include a programmable current limit, thermal protection, and reverse protection for the input. It comes in a compact 10-lead 3mm x 3mm DFN package, making it suitable for space-constrained applications. The device is ideal for applications requiring high precision and stability in power supply performance.
Equivalent
1. TI TPS7A4701 - High-precision, low-noise LDO.
2. Microchip MCP1755 - Low voltage, low quiescent current LDO.
3. ON Semiconductor NCP718 - Low-noise, high-PSRR LDO.
While these may not be exact equivalents, they offer similar low-noise and high-performance characteristics suitable for comparable applications. Always check specific requirements and datasheets for compatibility.
Features
1. Ultra-low Noise: It boasts an ultra-low noise level of 0.8µVRMS over a 10Hz to 100kHz bandwidth, making it suitable for noise-sensitive applications.
2. High PSRR: The device offers excellent power supply rejection ratio (PSRR) of 76dB at 1MHz, which ensures stable operation in environments with power supply variations.
3. Output Current: It provides an output current of up to 500mA.
4. Adjustable Output Voltage: The output voltage is adjustable from 0V to 15V, allowing for flexibility in varying application needs.
5. Low Dropout Voltage: With a dropout voltage of 260mV at full load, it minimizes power dissipation and enhances efficiency.
6. Protection Features: Includes current limiting and thermal shutdown to protect against overload and overheating.
7. Wide Input Voltage Range: Operates with input voltages ranging from 1.8V to 20V.
8. Compact Package: It comes in a thermally enhanced 10-lead 3mm × 3mm DFN package, suitable for space-constrained applications.
These features make the LT3045EDD#PBF ideal for a variety of precision and low-noise power supply solutions.
Pinout
The LT3045EDD#PBF comes in a 10-lead DFN (Dual Flat No-leads) package. The primary function of this device is to deliver a precise output voltage with an input voltage range of 2.8V to 20V and an output current of up to 500mA. The output voltage can be programmed with an external resistor network, allowing for a range from 0V to 15V.
This regulator features an ultra-low noise output of 0.8μVRMS across a 10Hz to 100kHz bandwidth and a high PSRR of 76dB at 1MHz, making it suitable for sensitive RF, instrument, and analog applications. Additionally, it includes features like programmable current limit, a power good flag, and thermal protection.
Manufacturer
Analog Devices is known for its innovation and high-performance products within the electronics industry, serving a wide range of markets, including industrial, automotive, communication, consumer, and healthcare. The company focuses on creating solutions that bridge the physical and digital worlds, enabling advancements in technology and improving the overall efficiency and performance of electronic systems.