Abbildungen dienen nur als Referenz
LT3045IDD#PBF
+StücklisteIC REG LIN POS PROG 500MA 10DFN
-
HerstellerAnalog Devices Inc.
-
Herstellerteil #LT3045IDD#PBF
-
Datenblatt LT3045IDD#PBF DataSheet
-
Paket DFN-10
-
Auf Lager5238
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| 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 |
Übersicht
Description
The LT3045 features a precision programmable current limit, fast transient response, and can be paralleled for higher current applications. Additionally, it includes various protection features like thermal shutdown and reverse current protection. The device is available in a compact 10-lead 3mm × 3mm DFN package, which helps in saving board space. Overall, the LT3045IDD#PBF is a versatile and reliable choice for applications requiring a high-performance linear regulator with superior noise performance and robustness.
Equivalent
1. TPS7A4701 from Texas Instruments
2. ADM7150 from Analog Devices (alternative model)
3. MAX8878 from Maxim Integrated
These alternatives offer similar performance characteristics but may have slight differences in specifications or features, so it's essential to review their datasheets for compatibility with your application.
Features
1. Ultra-Low Noise: With a noise level of only 0.8µVRMS across a 10Hz to 100kHz bandwidth, it’s ideal for noise-sensitive applications.
2. High PSRR: It provides excellent power supply rejection ratio (PSRR) of 76dB at 1MHz, which helps in filtering out supply noise.
3. Adjustable Output: The output voltage is adjustable via resistors over a range of 0V to 15V.
4. Output Current: It can supply up to 500mA of output current.
5. Precision: The device offers very tight output voltage tolerance and high accuracy.
6. Protection Features: It includes over-temperature and over-current protection for enhanced reliability.
7. Compact Package: Available in a compact 10-lead 3mm x 3mm DFN package, making it suitable for space-constrained designs.
8. Thermal Performance: Designed for efficient thermal performance, enabling stable operation over a wide temperature range.
These features make the LT3045IDD#PBF suitable for use in high-performance applications like RF systems, precision instrumentation, and medical devices.
Pinout
The LT3045 is designed to deliver up to 500mA of output current with a low dropout voltage. Its primary function is to provide a very low noise, high-accuracy, and stable voltage output, suitable for powering sensitive analog and RF circuits. It features ultra-low noise (as low as 0.8µVRMS over a 10Hz to 100kHz bandwidth), high power supply rejection ratio (PSRR), and precision output regulation. The device also includes a programmable current limit and fast transient response, making it highly suitable for applications requiring clean and stable power.
In summary, the LT3045IDD#PBF is a 10-pin LDO regulator designed for applications needing precise voltage regulation with minimal noise.
Manufacturer
Application
1. Precision Instruments: Used in high-precision measurement devices due to its low noise performance.
2. RF Systems: Ideal for powering RF amplifiers and mixers, where noise can affect signal integrity.
3. High-Speed Data Converters: Suitable for ADCs and DACs requiring a clean power supply.
4. Medical Devices: Used in sensitive equipment where power supply stability is crucial.
5. Test and Measurement Equipment: Ensures accurate readings by minimizing power supply noise.
These applications leverage its ability to provide a stable and quiet power supply.