Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 2.7V |
| Voltage-Input(Max) | 5.5V |
| Voltage-Output(Min/Fixed) | 0.6V |
| Voltage-Output(Max) | 5.23V |
| Current-Output | 1.5A |
| Frequency-Switching | 1.5MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | SC-74A, SOT-753 |
Tổng quan
Description
The TLV62565DBVR is a high-efficiency step-down converter from Texas Instruments, designed for low-power applications. It operates over a wide input voltage range from 2.5 V to 5.5 V, making it suitable for battery-powered devices and various electronic systems. The device delivers up to 1 A output current with excellent efficiency, achieved through its synchronous rectification and low quiescent current, which helps extend battery life.
Key features include a fixed output voltage option, typically 1.8 V, 3.3 V, or an adjustable output version. The TLV62565DBVR employs a constant-frequency pulse width modulation (PWM) operation, which minimizes output voltage ripple and improves load regulation. Its compact SOT-23-5 package allows for space-saving designs in compact electronic devices.
Additional features include short-circuit protection, thermal shutdown, and soft-start capability, ensuring reliable operation under various conditions. The converter is particularly well-suited for portable electronics, wireless communication devices, and any application requiring efficient power conversion from a single-cell lithium-ion battery or other low-voltage power sources.
Key features include a fixed output voltage option, typically 1.8 V, 3.3 V, or an adjustable output version. The TLV62565DBVR employs a constant-frequency pulse width modulation (PWM) operation, which minimizes output voltage ripple and improves load regulation. Its compact SOT-23-5 package allows for space-saving designs in compact electronic devices.
Additional features include short-circuit protection, thermal shutdown, and soft-start capability, ensuring reliable operation under various conditions. The converter is particularly well-suited for portable electronics, wireless communication devices, and any application requiring efficient power conversion from a single-cell lithium-ion battery or other low-voltage power sources.
Equivalent
The TLV62565DBVR is a step-down DC-DC converter by Texas Instruments. Equivalent products include:
1. TPS62822 by Texas Instruments
2. LM2842 by Texas Instruments
3. MP2315 by Monolithic Power Systems
4. MAX16903 by Maxim Integrated
5. RT6208 by Richtek
These alternatives offer similar voltage regulation capabilities, efficiency, and package options, but always check the datasheets for specific application requirements.
1. TPS62822 by Texas Instruments
2. LM2842 by Texas Instruments
3. MP2315 by Monolithic Power Systems
4. MAX16903 by Maxim Integrated
5. RT6208 by Richtek
These alternatives offer similar voltage regulation capabilities, efficiency, and package options, but always check the datasheets for specific application requirements.
Features
The TLV62565DBVR is a high-efficiency, synchronous step-down DC-DC converter designed by Texas Instruments. It features a wide input voltage range from 2.5V to 5.5V, making it suitable for applications powered by single-cell Li-Ion or other low-voltage sources. The device can deliver up to 1.5A of continuous output current while maintaining high efficiency across the load range.
Key features include a low quiescent current of 17 µA, which helps extend battery life in portable applications. It also offers a fixed output voltage option or can be set via external resistors if an adjustable output is required. The TLV62565 includes an internal soft-start, power-good indicator, and supports an automatic PFM/PWM mode for improved efficiency at light loads.
The package size of the TLV62565DBVR is compact, making it ideal for space-constrained applications. Additionally, it is equipped with protection features such as overcurrent protection, thermal shutdown, and output discharge, enhancing its reliability in various operating conditions.
Key features include a low quiescent current of 17 µA, which helps extend battery life in portable applications. It also offers a fixed output voltage option or can be set via external resistors if an adjustable output is required. The TLV62565 includes an internal soft-start, power-good indicator, and supports an automatic PFM/PWM mode for improved efficiency at light loads.
The package size of the TLV62565DBVR is compact, making it ideal for space-constrained applications. Additionally, it is equipped with protection features such as overcurrent protection, thermal shutdown, and output discharge, enhancing its reliability in various operating conditions.
Pinout
The TLV62565DBVR is a step-down (buck) converter with a SOT-23-5 package, having 5 pins in total. Its function is to efficiently convert a higher input voltage to a lower output voltage, making it suitable for powering low-voltage digital circuits from a higher voltage source.
The pin configuration is as follows:
1. EN (Enable): Activates or deactivates the device.
2. GND (Ground): Ground reference for the device.
3. SW (Switch Output): Connects to the inductor for the switching operation.
4. VIN (Input Voltage): Supplies power to the device.
5. FB (Feedback): Senses the output voltage to regulate it through a resistor divider.
The device is designed for small size and high efficiency, with applications in portable devices, battery-powered systems, and other electronics requiring regulated power supply solutions.
The pin configuration is as follows:
1. EN (Enable): Activates or deactivates the device.
2. GND (Ground): Ground reference for the device.
3. SW (Switch Output): Connects to the inductor for the switching operation.
4. VIN (Input Voltage): Supplies power to the device.
5. FB (Feedback): Senses the output voltage to regulate it through a resistor divider.
The device is designed for small size and high efficiency, with applications in portable devices, battery-powered systems, and other electronics requiring regulated power supply solutions.
Manufacturer
The TLV62565DBVR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a broad range of analog and embedded processing chips. TI's products are used in various applications across multiple industries, including automotive, industrial, consumer electronics, and communications. The company is known for its innovation in the electronics sector, providing essential components for modern electronic systems.
Application
The TLV62565DBVR is a step-down DC-DC converter designed for low-power applications. It is commonly used in battery-powered devices, wearable electronics, and portable equipment due to its high efficiency and low quiescent current. The device is suitable for applications such as smartphones, tablets, and digital cameras, where space is limited and energy efficiency is crucial. Additionally, it can be used in point-of-load conversions for microcontrollers and processors, as well as in low-power industrial and medical devices. Its small size and efficiency make it ideal for powering sensors and other components in Internet of Things (IoT) devices.
Package
The TLV62565DBVR is a DC-DC buck converter from Texas Instruments, and it comes in a DBV package type, which is a 5-pin SOT-23 package. This package is compact and suitable for surface-mounted devices in space-constrained applications.
