規格
| 屬性 | 價值 |
| Series | LT1585 |
| Brand | Analog Devices |
| Product Type | LDO Voltage Regulators |
| Subcategory | PMIC - Power Management ICs |
| Product | Linear Regulators |
| Type | Positive Linear Regulator |
| Minimum Operating Temperature | 0 C |
| Maximum Operating Temperature | + 150 C |
| Height | 4.57 mm |
| Output Voltage | 3.3 V |
| Load Regulation | 0.05 % |
| Current - Output | 4.6 A |
| Number of Outputs | 1 Output |
| Input Voltage - Min | 2.35 V |
| Input Voltage - Max | 7 V |
| Current - Supply | 8 mA |
| Polarity | Positive |
| Current - Quiescent (Iq) | 8 mA |
| PSRR / Ripple Rejection - Typ | 72 dB |
| Output Type | Fixed |
| Dropout Voltage | 1.25 V |
| Voltage Dropout (Max) | 1.5 V |
| Line Regulation | 0.005 % |
| Delivery Restrictions | Mouser does not sell this product in your region. |
| Package / Case | DDPAK-3 |
概述
Description
The LT1585CM-3.3 is a precision voltage reference from Analog Devices, designed to provide a stable output voltage of 3.3V. It features a low output noise, high accuracy, and excellent temperature stability, making it suitable for various precision applications, including data converters and signal conditioning circuits.
Key specifications include a typical output voltage tolerance of ±1%, a low temperature coefficient, and an output current capability of up to 10 mA. The device operates over a wide temperature range and has a low dropout voltage, ensuring reliable performance in power-sensitive applications.
The LT1585CM-3.3 is available in a surface-mount package, facilitating integration into compact designs. Its robust performance and ease of use make it a popular choice for engineers requiring precise voltage references in their electronic systems.
Key specifications include a typical output voltage tolerance of ±1%, a low temperature coefficient, and an output current capability of up to 10 mA. The device operates over a wide temperature range and has a low dropout voltage, ensuring reliable performance in power-sensitive applications.
The LT1585CM-3.3 is available in a surface-mount package, facilitating integration into compact designs. Its robust performance and ease of use make it a popular choice for engineers requiring precise voltage references in their electronic systems.
Equivalent
Equivalent products to the LT1585CM-3.3 include the LM1084-3.3, LM317, and MIC5205-3.3. These voltage regulators provide similar performance characteristics, such as low dropout voltage and adjustable output. Always verify specifications like voltage, current rating, and thermal performance when selecting alternatives.
Features
The LT1585CM-3.3 is a low dropout (LDO) voltage regulator offering several key features:
1. Output Voltage: Fixed 3.3V output.
2. Dropout Voltage: Low dropout of 1.3V at full load (up to 1.5A), ensuring efficient operation with minimal input-output voltage difference.
3. Current Capability: Supports output currents up to 1.5A, making it suitable for various applications.
4. Power Supply Rejection Ratio (PSRR): High PSRR, providing excellent noise rejection and stable output voltage.
5. Thermal Protection: Built-in thermal shutdown protects the device from overheating.
6. Overcurrent Protection: Safeguards the regulator against excessive load currents.
7. Low Quiescent Current: Minimal quiescent current enhances efficiency in battery-powered designs.
8. Wide Input Voltage Range: Accepts input voltages from 3.6V to 15V.
9. Compact Package: Available in a surface-mount SO-8 package for space-saving designs.
These features make the LT1585CM-3.3 ideal for a variety of applications, including portable devices and low-power systems.
1. Output Voltage: Fixed 3.3V output.
2. Dropout Voltage: Low dropout of 1.3V at full load (up to 1.5A), ensuring efficient operation with minimal input-output voltage difference.
3. Current Capability: Supports output currents up to 1.5A, making it suitable for various applications.
4. Power Supply Rejection Ratio (PSRR): High PSRR, providing excellent noise rejection and stable output voltage.
5. Thermal Protection: Built-in thermal shutdown protects the device from overheating.
6. Overcurrent Protection: Safeguards the regulator against excessive load currents.
7. Low Quiescent Current: Minimal quiescent current enhances efficiency in battery-powered designs.
8. Wide Input Voltage Range: Accepts input voltages from 3.6V to 15V.
9. Compact Package: Available in a surface-mount SO-8 package for space-saving designs.
These features make the LT1585CM-3.3 ideal for a variety of applications, including portable devices and low-power systems.
Pinout
The LT1585CM-3.3 is a low dropout linear voltage regulator with a pin count of 5. The pin functions are as follows:
1. Input (VIN): This pin receives the input voltage, which should be greater than 3.3V plus the dropout voltage.
2. Output (VOUT): This pin provides the regulated output voltage of 3.3V.
3. Ground (GND): This pin is connected to the system ground.
4. Adjust (ADJ): This pin is used for adjusting the output voltage when the device is operated in adjustable mode (not applicable for the fixed 3.3V version).
5. Enable (EN): This pin can be used to enable or disable the regulator (active high).
The device is designed for low dropout operation, making it suitable for battery-powered applications.
1. Input (VIN): This pin receives the input voltage, which should be greater than 3.3V plus the dropout voltage.
2. Output (VOUT): This pin provides the regulated output voltage of 3.3V.
3. Ground (GND): This pin is connected to the system ground.
4. Adjust (ADJ): This pin is used for adjusting the output voltage when the device is operated in adjustable mode (not applicable for the fixed 3.3V version).
5. Enable (EN): This pin can be used to enable or disable the regulator (active high).
The device is designed for low dropout operation, making it suitable for battery-powered applications.
Manufacturer
The LT1585CM-3.3 is manufactured by Analog Devices, Inc. Analog Devices is a multinational company that specializes in designing and manufacturing high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company focuses on a wide range of applications, including industrial automation, automotive electronics, communication systems, medical devices, and consumer electronics.
The LT1585CM-3.3 is a voltage reference and regulator, specifically designed to provide a stable output voltage for various electronic applications, highlighting the company's expertise in precision analog technology. Over the years, Analog Devices has become a leader in the semiconductor industry, known for its innovation and quality in analog signal processing solutions.
The LT1585CM-3.3 is a voltage reference and regulator, specifically designed to provide a stable output voltage for various electronic applications, highlighting the company's expertise in precision analog technology. Over the years, Analog Devices has become a leader in the semiconductor industry, known for its innovation and quality in analog signal processing solutions.
Application
The LT1585CM-3.3 is a low-dropout voltage regulator that provides a stable 3.3V output. Its application areas include:
1. Power Supply Regulation: Used in power management systems to regulate voltage for microcontrollers and digital circuits.
2. Battery-Powered Devices: Ideal for portable electronics due to low dropout voltage, extending battery life.
3. Consumer Electronics: Employed in devices like audio equipment, cameras, and gaming systems.
4. Telecommunications: Used in networking equipment for reliable voltage supply.
5. Industrial Applications: Powers sensors and control systems in automation and monitoring setups.
Its versatility makes it suitable for various electronic applications requiring reliable voltage regulation.
1. Power Supply Regulation: Used in power management systems to regulate voltage for microcontrollers and digital circuits.
2. Battery-Powered Devices: Ideal for portable electronics due to low dropout voltage, extending battery life.
3. Consumer Electronics: Employed in devices like audio equipment, cameras, and gaming systems.
4. Telecommunications: Used in networking equipment for reliable voltage supply.
5. Industrial Applications: Powers sensors and control systems in automation and monitoring setups.
Its versatility makes it suitable for various electronic applications requiring reliable voltage regulation.
Package
The LT1585CM-3.3 is packaged in a surface-mounted 5-lead TO-220 style package.