仕様
| 属性 | 値 |
| Package / Case | Tube |
| Part Status | Obsolete |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 20V |
| Voltage - Output (Min/Fixed) | 1.22V |
| Voltage - Output (Max) | 20V |
| Voltage Dropout (Max) | 0.45V @ 500mA |
| Current - Output | 500mA |
| Current - Quiescent (Iq) | 75 µA |
| Current - Supply (Max) | 16 mA |
| PSRR | 65dB (120Hz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Reverse Polarity |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
概要
Description
The LT1763CDE is a low dropout (LDO) linear voltage regulator designed for applications requiring efficient power management in compact spaces. It features an input voltage range of 1.8V to 20V and can deliver up to 500mA of output current. One of its key characteristics is its ultra-low dropout voltage of 300mV at full load, which makes it ideal for battery-powered devices and systems with stringent efficiency requirements.
The regulator offers excellent line and load regulation along with a low quiescent current of about 30µA, enhancing its suitability for low-power applications. It also includes features like current limiting and thermal shutdown for protection against overload and overheating conditions. The LT1763CDE is known for its high accuracy and stable performance, even with low ESR ceramic capacitors.
Packaged in a thermally enhanced 8-lead MSOP package, the LT1763CDE is designed for ease of integration into PCB layouts, making it ideal for portable electronics, communication devices, and other applications where space and power efficiency are critical.
The regulator offers excellent line and load regulation along with a low quiescent current of about 30µA, enhancing its suitability for low-power applications. It also includes features like current limiting and thermal shutdown for protection against overload and overheating conditions. The LT1763CDE is known for its high accuracy and stable performance, even with low ESR ceramic capacitors.
Packaged in a thermally enhanced 8-lead MSOP package, the LT1763CDE is designed for ease of integration into PCB layouts, making it ideal for portable electronics, communication devices, and other applications where space and power efficiency are critical.
Equivalent
The LT1763CDE is a low dropout linear regulator. Equivalent products include:
1. Microchip MCP1703 - A low dropout regulator with similar specs.
2. Texas Instruments TLV767 - Offers similar output voltage range and current capacity.
3. ON Semiconductor NCP1117 - Another low dropout regulator with comparable performance.
4. Analog Devices ADM7150 - High performance, low noise LDO.
Ensure compatibility with your specific requirements when considering alternatives.
1. Microchip MCP1703 - A low dropout regulator with similar specs.
2. Texas Instruments TLV767 - Offers similar output voltage range and current capacity.
3. ON Semiconductor NCP1117 - Another low dropout regulator with comparable performance.
4. Analog Devices ADM7150 - High performance, low noise LDO.
Ensure compatibility with your specific requirements when considering alternatives.
Features
The LT1763CDE is a low-dropout (LDO) linear regulator designed by Analog Devices (formerly Linear Technology). Key features include:
1. Output Current: Capable of delivering up to 500 mA.
2. Low Dropout Voltage: Typically 300 mV at 500 mA load, which allows for high efficiency.
3. Low Noise: Very low output noise of 20 µV RMS over a 10 Hz to 100 kHz bandwidth, making it suitable for sensitive applications.
4. Wide Input Voltage Range: Operates from 1.8V to 20V, allowing flexibility in various applications.
5. Adjustable Output: Output voltage can be set from 1.22V up to 20V using an external resistor divider.
6. Stability: Stable with output capacitors as low as 1 µF.
7. Thermal Protection: Includes thermal protection to prevent damage from overheating.
8. Current Limiting: Internal current limiting for overload protection.
9. Low Quiescent Current: Consumes only 30 µA of quiescent current, improving efficiency in low-power applications.
10. Package Options: Offered in a small, thermally enhanced 8-lead MSOP package.
These features make the LT1763CDE suitable for various applications including portable devices, battery-powered systems, and noise-sensitive instrumentation.
1. Output Current: Capable of delivering up to 500 mA.
2. Low Dropout Voltage: Typically 300 mV at 500 mA load, which allows for high efficiency.
3. Low Noise: Very low output noise of 20 µV RMS over a 10 Hz to 100 kHz bandwidth, making it suitable for sensitive applications.
4. Wide Input Voltage Range: Operates from 1.8V to 20V, allowing flexibility in various applications.
5. Adjustable Output: Output voltage can be set from 1.22V up to 20V using an external resistor divider.
6. Stability: Stable with output capacitors as low as 1 µF.
7. Thermal Protection: Includes thermal protection to prevent damage from overheating.
8. Current Limiting: Internal current limiting for overload protection.
9. Low Quiescent Current: Consumes only 30 µA of quiescent current, improving efficiency in low-power applications.
10. Package Options: Offered in a small, thermally enhanced 8-lead MSOP package.
These features make the LT1763CDE suitable for various applications including portable devices, battery-powered systems, and noise-sensitive instrumentation.
Pinout
The LT1763CDE is a low-dropout (LDO) linear voltage regulator. It typically comes in an 8-pin package (D package), specifically a 8-lead SOIC (Small Outline Integrated Circuit) or a similar variant, depending on the manufacturer and specific packaging type.
Key functions of the LT1763CDE include:
1. Low Dropout Voltage: It provides a low dropout voltage, which is the difference between the input voltage and output voltage necessary for the device to maintain regulation.
2. Low Quiescent Current: The device is designed to consume minimal quiescent current, beneficial for battery-powered applications.
3. Output Voltage Options: It offers various fixed output voltage options or an adjustable version for different application needs.
4. Current Limiting and Thermal Protection: The LT1763CDE includes overcurrent protection and thermal shutdown features to prevent damage due to excessive current flow or overheating.
5. Stability with Low ESR Capacitors: It is stable with low equivalent series resistance (ESR) capacitors, enabling the use of small, surface-mount capacitors for output filtering.
This concise overview provides essential details about the LT1763CDE’s pin count and function.
Key functions of the LT1763CDE include:
1. Low Dropout Voltage: It provides a low dropout voltage, which is the difference between the input voltage and output voltage necessary for the device to maintain regulation.
2. Low Quiescent Current: The device is designed to consume minimal quiescent current, beneficial for battery-powered applications.
3. Output Voltage Options: It offers various fixed output voltage options or an adjustable version for different application needs.
4. Current Limiting and Thermal Protection: The LT1763CDE includes overcurrent protection and thermal shutdown features to prevent damage due to excessive current flow or overheating.
5. Stability with Low ESR Capacitors: It is stable with low equivalent series resistance (ESR) capacitors, enabling the use of small, surface-mount capacitors for output filtering.
This concise overview provides essential details about the LT1763CDE’s pin count and function.
Manufacturer
The LT1763CDE is manufactured by Linear Technology, which is a company that specializes in designing, manufacturing, and marketing a broad range of high-performance analog integrated circuits. Founded in 1981, Linear Technology is known for its expertise in producing power management, data conversion, signal conditioning, RF and interface ICs, µModule subsystems, and wireless sensor network products. The company serves a wide range of markets, including telecommunications, automotive, industrial, medical, and consumer electronics.
In 2017, Linear Technology was acquired by Analog Devices, Inc. (ADI), a company well-regarded for its extensive portfolio of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. ADI's acquisition of Linear Technology was aimed at expanding its product offerings and strengthening its position as a leader in the analog technology industry. Both companies have a strong focus on innovation and quality, providing solutions that enhance the performance, reliability, and efficiency of electronic systems worldwide.
In 2017, Linear Technology was acquired by Analog Devices, Inc. (ADI), a company well-regarded for its extensive portfolio of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. ADI's acquisition of Linear Technology was aimed at expanding its product offerings and strengthening its position as a leader in the analog technology industry. Both companies have a strong focus on innovation and quality, providing solutions that enhance the performance, reliability, and efficiency of electronic systems worldwide.
Application
The LT1763CDE is a low-dropout (LDO) voltage regulator commonly used in applications requiring efficient power management and precise voltage regulation. Typical application areas include battery-powered devices, portable electronics, and handheld instruments due to its low noise and low quiescent current features. It's suitable for powering sensitive RF and analog circuitry, precision sensors, and microcontrollers. Additionally, it's used in industrial and automotive sectors where stable voltage supply is crucial. Its compact design makes it ideal for space-constrained applications like wearables and IoT devices.
Package
The LT1763CDE is a low dropout (LDO) linear voltage regulator from Analog Devices. It comes in the 8-lead SOT-23 package, which is a small-outline, surface-mount package. This package type is compact, making it suitable for space-constrained applications.
