TLV1117 Series Voltage Regulators in Everyday Electronics

TLV1117 Series Voltage Regulators in Everyday Electronics Voltage regulators are requisite components in electronics, ensuring that devices receive a stable and precise voltage irrespective of fluctuations in the input supply. Among the various types of voltage regulators available, the TLV1117 series stands out for its efficiency, reliability, and versatility. Understanding the TLV1117 Series These voltage regulators are low-dropout (LDO) linear regulators which are designed to provide a stable output voltage with a low dropout voltage, making them ideal for applications where energy efficiency and space are paramount. The series includes multiple variants, such as TLV1117-33 (3.3V output), TLV1117-50 (5.0V output), and adjustable versions, allowing for flexibility in different design requirements. Key Features Low Dropout Voltage: One of the most significant advantages of the TLV1117 series is its low dropout voltage, typically around 1.1V at 800mA. This feature is crucial for battery-operated devices, where every millivolt counts in extending battery life. High Output Current: This series can deliver up to 800mA of output current, making it suitable for powering various components in consumer electronics. Thermal Protection: These regulators come with built-in thermal protection, ensuring that the device shuts down in case of overheating, thus protecting both the regulator and the load from damage. Short-Circuit Protection: This series includes short-circuit protection, safeguarding the device and the circuit from unexpected short circuits. Low Quiescent Current: With a low quiescent current, these regulators are energy-efficient, minimizing power loss and heat dissipation. Adjustable Output: The adjustable versions of them allow for fine-tuning the output voltage, providing greater flexibility in circuit design. Applications in Consumer Electronics The TLV1117 voltage regulators are ubiquitous in consumer electronics due to their robust performance and reliability. Here are some key applications: 1. Smartphones and Tablets Smartphones and tablets are power-hungry devices with numerous components requiring precise voltage levels. This series regulators ensures stable power delivery to critical components such as processors, memory chips, and communication modules. Its low dropout voltage and high output current capabilities make it ideal for these compact, high-performance devices. 2. Wearable Devices Wearable technology, including smartwatches and fitness trackers, demands compact and efficient power solutions. The TLV1117's small footprint and low quiescent current make it an excellent choice for these applications, where battery life and size are crucial. 3. Home Entertainment Systems Modern home entertainment systems, including smart TVs, soundbars, and streaming devices, require consistent performance for uninterrupted entertainment, and this series delivers just that. 4. Personal Computers and Laptops In personal computers and laptops, they are used to regulate voltages for various subsystems, including CPU power management, peripheral interfaces, and memory modules. The regulator's ability to handle high output currents ensures that these devices perform optimally even under heavy loads. 5. Gaming Consoles Gaming consoles require reliable power management to support high-performance processors and graphics units. These devices provides the necessary voltage regulation to maintain smooth gameplay and prevent power-related issues. 6. Smart Home Devices Smart home devices, such as smart thermostats, security cameras, and voice assistants, benefit from these product’s stable power output. These devices need to operate reliably over long periods, and this series devices ensures they receive consistent power. Technical Specifications and Performance Electrical Characteristics Input Voltage Range: These product operates with an input voltage range of 2.7V to 15V, making it versatile for various power sources. Output Voltage Accuracy: The regulators offer a tight output voltage accuracy of ±1%, ensuring precise voltage regulation. Dropout Voltage: At an output current of 800mA, the dropout voltage is typically 1.1V, which is low enough to maintain efficiency in battery-operated devices. Quiescent Current: The quiescent current is typically 5mA, which is low, ensuring minimal power wastage. Load Regulation: These regulator exhibits excellent load regulation, typically 0.2%, ensuring consistent performance even with varying loads. Line Regulation: With a line regulation of typically 0.03%, the output voltage remains stable despite fluctuations in the input voltage. Thermal and Protection Features Thermal Shutdown: It includes thermal shutdown protection, which activates at around 165°C, preventing damage due to overheating. Short-Circuit Protection: The short-circuit protection feature ensures the device shuts down in the event of a short circuit, protecting both the regulator and the connected load. Package Options The TLV1117 series is available in various packages, including SOT-223, TO-252, and SOIC-8, providing designers with options that suit different PCB layouts and space constraints. Design Considerations When incorporating them into electronic designs, several factors must be considered to ensure optimal performance: Input and Output Capacitors To maintain stability and reduce noise, it is crucial to use appropriate input and output capacitors. Typically, a 10µF input capacitor and a 10µF output capacitor are recommended. These capacitors help in filtering out noise and maintaining a stable voltage. Thermal Management Given the power dissipation associated with voltage regulators, proper thermal management is essential. This can be achieved through adequate PCB layout, including thermal vias and copper planes to dissipate heat efficiently. PCB Layout A good PCB layout is critical for minimizing noise and ensuring stable operation. Keeping the input and output capacitors close to the regulator and minimizing the trace lengths helps in reducing noise and maintaining stability. Protection Diodes For applications involving high input voltages or where the output voltage might exceed the input voltage, it is advisable to use protection diodes. These diodes protect the regulator from damage due to reverse voltage conditions. Conclusion The TLV1117 series voltage regulators are a cornerstone in the design of modern consumer electronics. Their technical features, including low dropout voltage, high output current, thermal and short-circuit protection, and low quiescent current, make them ideal for a wide range of applications. From smartphones and wearables to home entertainment systems and smart home devices, the TLV1117 series ensures stable and efficient power delivery, contributing to the reliability and performance of everyday electronics.


Voltage regulators are requisite components in electronics, ensuring that devices receive a stable and precise voltage irrespective of fluctuations in the input supply. Among the various types of voltage regulators available, the TLV1117 series stands out for its efficiency, reliability, and versatility.

 

Understanding the TLV1117 Series

These voltage regulators are low-dropout (LDO) linear regulators which are designed to provide a stable output voltage with a low dropout voltage, making them ideal for applications where energy efficiency and space are paramount. The series includes multiple variants, such as TLV1117-33 (3.3V output), TLV1117-50 (5.0V output), and adjustable versions, allowing for flexibility in different design requirements.

 

Key Features

Low Dropout Voltage: One of the most significant advantages of the TLV1117 series is its low dropout voltage, typically around 1.1V at 800mA. This feature is crucial for battery-operated devices, where every millivolt counts in extending battery life.

High Output Current: This series can deliver up to 800mA of output current, making it suitable for powering various components in consumer electronics.

Thermal Protection: These regulators come with built-in thermal protection, ensuring that the device shuts down in case of overheating, thus protecting both the regulator and the load from damage.

Short-Circuit Protection: This series includes short-circuit protection, safeguarding the device and the circuit from unexpected short circuits.

Low Quiescent Current: With a low quiescent current, these regulators are energy-efficient, minimizing power loss and heat dissipation.

Adjustable Output: The adjustable versions of them allow for fine-tuning the output voltage, providing greater flexibility in circuit design.

 

Applications in Consumer Electronics

The TLV1117 voltage regulators are ubiquitous in consumer electronics due to their robust performance and reliability. Here are some key applications:

 

1. Smartphones and Tablets

Smartphones and tablets are power-hungry devices with numerous components requiring precise voltage levels. This series of regulators ensures stable power delivery to critical components such as processors, memory chips, and communication modules. Its low dropout voltage and high output current capabilities make it ideal for these compact, high-performance devices.

 

2. Wearable Devices

Wearable technology, including smartwatches and fitness trackers, demands compact and efficient power solutions. The TLV1117's small footprint and low quiescent current make it an excellent choice for these applications, where battery life and size are crucial.

 

3. Home Entertainment Systems

Modern home entertainment systems, including smart TVs, soundbars, and streaming devices, require consistent performance for uninterrupted entertainment, and this series delivers just that.

 

4. Personal Computers and Laptops

In personal computers and laptops, they are used to regulate voltages for various subsystems, including CPU power management, peripheral interfaces, and memory modules. The regulator's ability to handle high output currents ensures that these devices perform optimally even under heavy loads.

 

5. Gaming Consoles

Gaming consoles require reliable power management to support high-performance processors and graphics units. These devices provide the necessary voltage regulation to maintain smooth gameplay and prevent power-related issues.

 

6. Smart Home Devices

Smart home devices, such as smart thermostats, security cameras, and voice assistants, benefit from these product’s stable power output. These devices need to operate reliably over long periods, and this series of devices ensures they receive consistent power.

 

Technical Specifications and Performance

Electrical Characteristics

Input Voltage Range: These products operate with an input voltage range of 2.7V to 15V, making them versatile for various power sources.

Output Voltage Accuracy: The regulators offer a tight output voltage accuracy of ±1%, ensuring precise voltage regulation.

Dropout Voltage: At an output current of 800mA, the dropout voltage is typically 1.1V, which is low enough to maintain efficiency in battery-operated devices.

Quiescent Current: The quiescent current is typically 5mA, which is low, ensuring minimal power wastage.

Load Regulation: These regulator exhibits excellent load regulation, typically 0.2%, ensuring consistent performance even with varying loads.

Line Regulation: With a line regulation of typically 0.03%, the output voltage remains stable despite fluctuations in the input voltage.

 

Thermal and Protection Features

Thermal Shutdown: It includes thermal shutdown protection, which activates at around 165°C, preventing damage due to overheating.

Short-Circuit Protection: The short-circuit protection feature ensures the device shuts down in the event of a short circuit, protecting both the regulator and the connected load.


Package Options

The TLV1117 series is available in various packages, including SOT-223, TO-252, and SOIC-8, providing designers with options that suit different PCB layouts and space constraints.

 

Design Considerations

When incorporating them into electronic designs, several factors must be considered to ensure optimal performance:

 

Input and Output Capacitors

To maintain stability and reduce noise, it is crucial to use appropriate input and output capacitors. Typically, a 10µF input capacitor and a 10µF output capacitor are recommended. These capacitors help in filtering out noise and maintaining a stable voltage.

 

Thermal Management

Given the power dissipation associated with voltage regulators, proper thermal management is essential. This can be achieved through adequate PCB layout, including thermal vias and copper planes to dissipate heat efficiently.

 

PCB Layout

A good PCB layout is critical for minimizing noise and ensuring stable operation. Keeping the input and output capacitors close to the regulator and minimizing the trace lengths helps in reducing noise and maintaining stability.

 

Protection Diodes

For applications involving high input voltages or where the output voltage might exceed the input voltage, it is advisable to use protection diodes. These diodes protect the regulator from damage due to reverse voltage conditions.

 

 

Conclusion

The TLV1117 series voltage regulators are a cornerstone in the design of modern consumer electronics. Their technical features, including low dropout voltage, high output current, thermal and short-circuit protection, and low quiescent current, make them ideal for a wide range of applications. From smartphones and wearables to home entertainment systems and smart home devices, the TLV1117 series ensures stable and efficient power delivery, contributing to the reliability and performance of everyday electronics. To get the best prices in the industry, contact SUV System Ltd at sales@suvsystem.com or visit us at https://www.suvsystem.com/

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