規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| 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 |
概述
Description
The LT3045IDD#TRPBF is a high-performance, low-dropout (LDO) linear voltage regulator from Analog Devices. It is part of the LT3045 series, designed to provide ultra-low noise and ultra-high power supply rejection ratio (PSRR). The regulator offers an adjustable output voltage and can deliver up to 500 mA of output current. One of its standout features is its low noise performance, typically around 0.8 µV RMS over a 10 Hz to 100 kHz bandwidth, making it suitable for sensitive RF and precision analog applications.
The device operates over a wide input voltage range and provides a programmable current limit and fast transient response, which is helpful in various applications requiring stable and precise voltage regulation. It also comes with features like thermal protection, reverse battery protection, and short-circuit protection to ensure reliability and safety in various operating conditions. The LT3045IDD#TRPBF is housed in a thermally enhanced 10-lead DFN package for efficient heat dissipation. Its combination of features makes it ideal for use in medical, industrial, and communication systems.
The device operates over a wide input voltage range and provides a programmable current limit and fast transient response, which is helpful in various applications requiring stable and precise voltage regulation. It also comes with features like thermal protection, reverse battery protection, and short-circuit protection to ensure reliability and safety in various operating conditions. The LT3045IDD#TRPBF is housed in a thermally enhanced 10-lead DFN package for efficient heat dissipation. Its combination of features makes it ideal for use in medical, industrial, and communication systems.
Equivalent
The LT3045IDD#TRPBF is a low-dropout (LDO) linear regulator from Analog Devices. Equivalent products from other manufacturers with similar specifications might include the TPS7A4701 from Texas Instruments, the ADM7150 from Analog Devices, and the MIC69502 from Microchip Technology. When choosing a replacement, ensure the equivalent matches key parameters such as output voltage, current capacity, noise performance, and package type.
Features
The LT3045IDD#TRPBF is a high-performance linear regulator designed by Analog Devices. Key features include:
1. Output Current: It offers a maximum output current of 500mA.
2. Low Noise: Provides ultra-low noise performance of 2.5µVRMS over a 10Hz to 100kHz bandwidth.
3. High PSRR: Features a high power supply rejection ratio, enhancing performance in noisy environments.
4. Output Voltage Range: The output voltage is adjustable from 0V to 15V, providing flexibility for various applications.
5. Input Voltage Range: Supports an input voltage range from 1.8V to 20V.
6. Precision: Offers high precision with a reference voltage accuracy of ±0.8%.
7. Dropout Voltage: Low dropout voltage of approximately 260mV at full load.
8. Package: Available in a 10-lead 3mm × 3mm DFN package, saving board space.
9. Temperature Range: Operates over a wide junction temperature range from –40°C to 125°C.
10. Protection Features: Includes current limit and thermal shutdown for robust performance under fault conditions.
These features make the LT3045IDD#TRPBF suitable for applications requiring high precision, low noise, and high PSRR, such as RF, precision instrumentation, and low-noise power supplies.
1. Output Current: It offers a maximum output current of 500mA.
2. Low Noise: Provides ultra-low noise performance of 2.5µVRMS over a 10Hz to 100kHz bandwidth.
3. High PSRR: Features a high power supply rejection ratio, enhancing performance in noisy environments.
4. Output Voltage Range: The output voltage is adjustable from 0V to 15V, providing flexibility for various applications.
5. Input Voltage Range: Supports an input voltage range from 1.8V to 20V.
6. Precision: Offers high precision with a reference voltage accuracy of ±0.8%.
7. Dropout Voltage: Low dropout voltage of approximately 260mV at full load.
8. Package: Available in a 10-lead 3mm × 3mm DFN package, saving board space.
9. Temperature Range: Operates over a wide junction temperature range from –40°C to 125°C.
10. Protection Features: Includes current limit and thermal shutdown for robust performance under fault conditions.
These features make the LT3045IDD#TRPBF suitable for applications requiring high precision, low noise, and high PSRR, such as RF, precision instrumentation, and low-noise power supplies.
Pinout
The LT3045IDD#TRPBF is a low-dropout (LDO) linear regulator manufactured by Analog Devices. It is designed to provide precise voltage regulation with a high level of performance.
Pin Count:
- The LT3045IDD#TRPBF comes in a 10-lead 3mm x 3mm DFN (Dual Flat No-leads) package.
Function:
- The LT3045 is designed to deliver up to 500mA of output current with a very low dropout voltage.
- It features ultra-low noise and high power supply rejection ratio (PSRR), making it suitable for powering sensitive RF and analog circuits.
- The device provides a programmable output voltage range from 0V to 15V.
- It includes features such as programmable current limit, power good indicators, and thermal protection.
- The LT3045 also supports parallel operation to increase output current capability.
Overall, the LT3045IDD#TRPBF is a versatile and high-performance LDO regulator suitable for applications requiring precision and low noise.
Pin Count:
- The LT3045IDD#TRPBF comes in a 10-lead 3mm x 3mm DFN (Dual Flat No-leads) package.
Function:
- The LT3045 is designed to deliver up to 500mA of output current with a very low dropout voltage.
- It features ultra-low noise and high power supply rejection ratio (PSRR), making it suitable for powering sensitive RF and analog circuits.
- The device provides a programmable output voltage range from 0V to 15V.
- It includes features such as programmable current limit, power good indicators, and thermal protection.
- The LT3045 also supports parallel operation to increase output current capability.
Overall, the LT3045IDD#TRPBF is a versatile and high-performance LDO regulator suitable for applications requiring precision and low noise.
Manufacturer
The LT3045IDD#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits. The company serves a wide range of industries, including communications, automotive, industrial, healthcare, and consumer electronics. Analog Devices is well-known for its high-performance analog technology and products that enable the transformation, conditioning, and processing of real-world phenomena into actionable insights.
Application
The LT3045IDD#TRPBF is a high-performance, low-dropout (LDO) linear regulator. Its application areas include powering precision analog systems, RF communication equipment, and high-speed ADCs/DACs where low noise and high power supply rejection are crucial. It's also suitable for medical devices, test and measurement equipment, and industrial applications requiring a clean supply voltage. The LT3045's low output noise and wide bandwidth make it ideal for sensitive circuits needing stable and reliable power.
Package
The LT3045IDD#TRPBF is housed in a 10-lead (3mm x 3mm) plastic DFN (Dual Flat No-Lead) package.