Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Active |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 1.8V |
| Voltage Dropout (Max) | 0.25V @ 200mA |
| Current - Output | 200mA |
| Current - Quiescent (Iq) | 55 µA |
| Current - Supply (Max) | 270 µA |
| PSRR | 68dB (1kHz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Tổng quan
Description
The TLV70018DCKR is a low-dropout (LDO) linear voltage regulator from Texas Instruments. It is part of the TLV700 series, designed for portable and battery-powered applications due to its low quiescent current and high power supply rejection ratio (PSRR). The device offers a fixed output voltage of 1.8V and can deliver up to 200 mA of output current. It operates with an input voltage range of 2.0V to 5.5V, making it suitable for a variety of applications.
Key features include low dropout voltage, typically around 200mV at full load, which enhances efficiency and battery life. It also includes thermal shutdown and current limit protection for enhanced reliability. The TLV70018DCKR is packaged in a small SOT-353 (SC-70) form factor, facilitating space-constrained designs. This regulator is ideal for use in smartphones, tablets, wearable devices, and other electronic gadgets that require efficient power management in a compact size. Its ease of use and robust performance make it a popular choice for engineers designing power supply systems in portable electronics.
Key features include low dropout voltage, typically around 200mV at full load, which enhances efficiency and battery life. It also includes thermal shutdown and current limit protection for enhanced reliability. The TLV70018DCKR is packaged in a small SOT-353 (SC-70) form factor, facilitating space-constrained designs. This regulator is ideal for use in smartphones, tablets, wearable devices, and other electronic gadgets that require efficient power management in a compact size. Its ease of use and robust performance make it a popular choice for engineers designing power supply systems in portable electronics.
Equivalent
The TLV70018DCKR is a low-dropout (LDO) linear voltage regulator from Texas Instruments. Equivalent products can include:
1. Microchip MCP1700-1802E/TO: A low quiescent current LDO.
2. ON Semiconductor NCP1117ST18T3G: A 1.8V LDO with similar output current capabilities.
3. Analog Devices ADP3338-1.8: Another LDO with low dropout voltage.
When selecting an equivalent, ensure the electrical characteristics and package type match your application requirements.
1. Microchip MCP1700-1802E/TO: A low quiescent current LDO.
2. ON Semiconductor NCP1117ST18T3G: A 1.8V LDO with similar output current capabilities.
3. Analog Devices ADP3338-1.8: Another LDO with low dropout voltage.
When selecting an equivalent, ensure the electrical characteristics and package type match your application requirements.
Features
The TLV70018DCKR is a low-dropout (LDO) linear voltage regulator produced by Texas Instruments. Key features include:
1. Output Voltage: It provides a fixed output voltage of 1.8V.
2. Input Voltage Range: The device operates with an input voltage range of 2 V to 5.5 V.
3. Output Current: It supports an output current of up to 200 mA.
4. Low Quiescent Current: It has a low quiescent current of about 31 μA, which helps in extending battery life in portable applications.
5. Dropout Voltage: The regulator features a low dropout voltage, typically around 150 mV at 200 mA.
6. Package and Size: It comes in a small SC70-5 package, making it suitable for space-constrained designs.
7. Operating Temperature: The device operates across a temperature range of -40°C to 125°C.
8. Stability: It is designed to be stable with low equivalent series resistance (ESR) ceramic capacitors.
9. Protection: Includes features such as thermal shutdown and current limit protection to enhance reliability.
These features make the TLV70018DCKR ideal for use in portable and battery-powered applications.
1. Output Voltage: It provides a fixed output voltage of 1.8V.
2. Input Voltage Range: The device operates with an input voltage range of 2 V to 5.5 V.
3. Output Current: It supports an output current of up to 200 mA.
4. Low Quiescent Current: It has a low quiescent current of about 31 μA, which helps in extending battery life in portable applications.
5. Dropout Voltage: The regulator features a low dropout voltage, typically around 150 mV at 200 mA.
6. Package and Size: It comes in a small SC70-5 package, making it suitable for space-constrained designs.
7. Operating Temperature: The device operates across a temperature range of -40°C to 125°C.
8. Stability: It is designed to be stable with low equivalent series resistance (ESR) ceramic capacitors.
9. Protection: Includes features such as thermal shutdown and current limit protection to enhance reliability.
These features make the TLV70018DCKR ideal for use in portable and battery-powered applications.
Pinout
The TLV70018DCKR is a low-dropout (LDO) linear voltage regulator from Texas Instruments. It is typically housed in a SC70-5 package, meaning it has 5 pins. Here's a brief overview of its pin functions:
1. IN (Input Voltage): Connect the input voltage to this pin. It supplies the power to the LDO.
2. GND (Ground): This pin is connected to the ground of the system. It is the return path for the input and output voltages.
3. EN (Enable): This pin is used to enable or disable the LDO. A high voltage on this pin enables the regulator, while a low voltage disables it.
4. NC (No Connect): This pin is typically not connected internally and can be left floating or connected to ground.
5. OUT (Output Voltage): This pin provides the regulated output voltage.
The TLV70018DCKR is designed to provide a fixed output voltage of 1.8V with a maximum output current of up to 200 mA. It is characterized by its low quiescent current and low dropout voltage, making it suitable for battery-powered applications.
1. IN (Input Voltage): Connect the input voltage to this pin. It supplies the power to the LDO.
2. GND (Ground): This pin is connected to the ground of the system. It is the return path for the input and output voltages.
3. EN (Enable): This pin is used to enable or disable the LDO. A high voltage on this pin enables the regulator, while a low voltage disables it.
4. NC (No Connect): This pin is typically not connected internally and can be left floating or connected to ground.
5. OUT (Output Voltage): This pin provides the regulated output voltage.
The TLV70018DCKR is designed to provide a fixed output voltage of 1.8V with a maximum output current of up to 200 mA. It is characterized by its low quiescent current and low dropout voltage, making it suitable for battery-powered applications.
Manufacturer
The TLV70018DCKR is manufactured by Texas Instruments. Texas Instruments, often abbreviated as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. These products are used in a wide array of electronic devices, serving industries such as consumer electronics, automotive, communications, industrial, and more. TI is particularly known for its development of analog chips, embedded processors, and other semiconductor solutions. The company has a long history, having been founded in 1930, and is a well-respected leader in the field of electronics and semiconductor manufacturing.
Application
The TLV70018DCKR is a low-dropout voltage regulator (LDO) designed for various applications due to its low quiescent current, low noise, and excellent line and load transient performance. Key application areas include:
1. Battery-Powered Devices: Ideal for smartphones, tablets, and wearable electronics due to its efficient power management.
2. Portable Devices: Suitable for portable media players and handheld gaming consoles.
3. Industrial Equipment: Used in sensors and instrumentation requiring stable voltage supply.
4. Consumer Electronics: Provides power regulation in devices like cameras and audio equipment.
5. Telecommunications: Utilized in networking equipment for stable power delivery.
Its small size and high performance make it versatile for compact and efficient power regulation.
1. Battery-Powered Devices: Ideal for smartphones, tablets, and wearable electronics due to its efficient power management.
2. Portable Devices: Suitable for portable media players and handheld gaming consoles.
3. Industrial Equipment: Used in sensors and instrumentation requiring stable voltage supply.
4. Consumer Electronics: Provides power regulation in devices like cameras and audio equipment.
5. Telecommunications: Utilized in networking equipment for stable power delivery.
Its small size and high performance make it versatile for compact and efficient power regulation.
Package
The TLV70018DCKR is a low-dropout (LDO) voltage regulator from Texas Instruments. It comes in a SC70-5 package type, also known as a DCK package, which is a small outline package with five leads. This compact package is suitable for space-constrained applications.
