사양
| 속성 | 가치 |
| Package | Tube |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 20V |
| Voltage-Output(Min/Fixed) | 3.3V |
| VoltageDropout(Max) | 0.49V @ 1.1A |
| Current-Output | 1.1A |
| Current-Quiescent(Iq) | 1.1 mA |
| Current-Supply(Max) | 40 mA |
| PSRR | 75dB (120Hz) |
| ControlFeatures | Enable |
| ProtectionFeatures | Over Current, Over Temperature, Reverse Polarity |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 8-WFDFN Exposed Pad |
개요
Description
The LT1965IDD-3.3#PBF is a low-dropout (LDO) voltage regulator produced by Analog Devices, formerly Linear Technology. It is designed to provide a stable 3.3V output from a higher input voltage with a low dropout voltage of 0.3V, enabling efficient performance. The device offers up to 1A output current and features low noise, low quiescent current, and high power supply rejection ratio (PSRR), making it suitable for sensitive electronic applications.
Packaged in a compact 8-lead (3mm x 3mm) DFN package, the LT1965IDD-3.3#PBF is well-suited for space-constrained applications. Its thermal protection and reverse-battery protection enhance reliability. The device also includes features such as internal current limiting and thermal shutdown to prevent damage under fault conditions.
This LDO is ideal for powering microcontrollers, DSPs, and other low-voltage digital ICs in portable devices, telecommunications, and industrial applications due to its efficient and reliable performance.
Packaged in a compact 8-lead (3mm x 3mm) DFN package, the LT1965IDD-3.3#PBF is well-suited for space-constrained applications. Its thermal protection and reverse-battery protection enhance reliability. The device also includes features such as internal current limiting and thermal shutdown to prevent damage under fault conditions.
This LDO is ideal for powering microcontrollers, DSPs, and other low-voltage digital ICs in portable devices, telecommunications, and industrial applications due to its efficient and reliable performance.
Equivalent
The LT1965IDD-3.3#PBF is a low dropout (LDO) linear voltage regulator. Equivalent products include:
1. Texas Instruments TPS7A4700 - Similar output voltage range and low noise.
2. Microchip MCP1826S-3302E/DC - Comparable voltage and current output.
3. ON Semiconductor NCP1117ST33T3G - Similar dropout voltage and thermal performance.
4. STMicroelectronics LD1117V33 - Close in terms of voltage regulation and dropout characteristics.
Ensure compatibility based on specific application requirements.
1. Texas Instruments TPS7A4700 - Similar output voltage range and low noise.
2. Microchip MCP1826S-3302E/DC - Comparable voltage and current output.
3. ON Semiconductor NCP1117ST33T3G - Similar dropout voltage and thermal performance.
4. STMicroelectronics LD1117V33 - Close in terms of voltage regulation and dropout characteristics.
Ensure compatibility based on specific application requirements.
Features
The LT1965IDD-3.3#PBF is a low dropout (LDO) linear voltage regulator. Here are its key features:
1. Output Voltage: 3.3V fixed output.
2. Input Voltage Range: Operates with input voltages up to 20V.
3. Output Current: Capable of providing up to 1.1A of output current.
4. Low Dropout Voltage: Approximately 300mV at full load (1.1A), which enables efficient operation with minimal voltage difference between input and output.
5. Low Noise: Features low output voltage noise, making it suitable for noise-sensitive applications.
6. Protection Features: Includes thermal shutdown and current limiting to protect against overloading and overheating.
7. Stability: Ensures stable operation with a wide range of output capacitors, including low ESR capacitors.
8. Package: Available in an 8-lead plastic DFN (3mm × 3mm) package for compact applications.
9. Operating Temperature Range: Typically specified for operation from -40°C to 125°C.
These features make the LT1965IDD-3.3#PBF suitable for applications requiring efficient voltage regulation with low noise and protection in compact designs.
1. Output Voltage: 3.3V fixed output.
2. Input Voltage Range: Operates with input voltages up to 20V.
3. Output Current: Capable of providing up to 1.1A of output current.
4. Low Dropout Voltage: Approximately 300mV at full load (1.1A), which enables efficient operation with minimal voltage difference between input and output.
5. Low Noise: Features low output voltage noise, making it suitable for noise-sensitive applications.
6. Protection Features: Includes thermal shutdown and current limiting to protect against overloading and overheating.
7. Stability: Ensures stable operation with a wide range of output capacitors, including low ESR capacitors.
8. Package: Available in an 8-lead plastic DFN (3mm × 3mm) package for compact applications.
9. Operating Temperature Range: Typically specified for operation from -40°C to 125°C.
These features make the LT1965IDD-3.3#PBF suitable for applications requiring efficient voltage regulation with low noise and protection in compact designs.
Pinout
The LT1965IDD-3.3#PBF is a low-dropout (LDO) linear regulator designed by Analog Devices. The device comes in a 8-lead (pin) DD-Pak package. This LDO regulator provides a fixed output voltage of 3.3V and can deliver up to 1.1A of output current. The key functions of the pins are:
1. VIN: Input voltage supply pin.
2. VOUT: Output voltage pin.
3. GND: Ground pin.
4. SET: Used to set the output voltage in adjustable versions, but typically connected to the output for fixed-output versions like the 3.3V variant.
5. SHDN: Shutdown pin, used to enable or disable the regulator.
6. NC (No Connect): Typically not internally connected.
7. NC / GND: Another ground or no-connect pin.
8. NC / VIN: Another no-connect or input voltage pin.
These pin designations allow for the easy integration of the LT1965 into circuits that require a stable, low-noise power supply. Ensure to consult the datasheet for detailed pin configurations and application guidelines.
1. VIN: Input voltage supply pin.
2. VOUT: Output voltage pin.
3. GND: Ground pin.
4. SET: Used to set the output voltage in adjustable versions, but typically connected to the output for fixed-output versions like the 3.3V variant.
5. SHDN: Shutdown pin, used to enable or disable the regulator.
6. NC (No Connect): Typically not internally connected.
7. NC / GND: Another ground or no-connect pin.
8. NC / VIN: Another no-connect or input voltage pin.
These pin designations allow for the easy integration of the LT1965 into circuits that require a stable, low-noise power supply. Ensure to consult the datasheet for detailed pin configurations and application guidelines.
Manufacturer
The LT1965IDD-3.3#PBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company specializing in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company provides a wide range of products, including data converters, amplifiers, power management devices, radio-frequency ICs, sensors, and other analog and DSP products. These components are used in various applications across industries such as industrial automation, automotive, communications, consumer electronics, healthcare, and instrumentation. Analog Devices is known for its focus on innovation and high-performance solutions, playing a significant role in technological advancements across its served markets.
Application
The LT1965IDD-3.3#PBF is a low dropout (LDO) linear regulator designed for a variety of applications. Key areas include powering microcontrollers, microprocessors, and other digital systems requiring stable 3.3V power supply. It's suitable for use in telecommunications equipment, industrial systems, portable devices, and automotive electronics. Its low noise and high accuracy make it ideal for applications sensitive to power supply fluctuations, such as precision instrumentation and RF systems. Additionally, its compact size and thermally efficient design are beneficial for space-constrained applications.
Package
The LT1965IDD-3.3#PBF is a Linear Technology (now part of Analog Devices) low-dropout (LDO) regulator. It comes in a 8-lead (8-pin) thermally enhanced plastic DD package, which is often referred to as a DFN (Dual Flat No-lead) or SO-8 package, providing efficient thermal performance and compact size.
