TPS62205DBVR

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TPS62205DBVR

IC REG BUCK 2.5V 300MA SOT23-5

  • Производитель
  • Мфр. Часть #TPS62205DBVR
  • Пакет SOT-23 (DBV)-5
  • Лист данных
  • В наличии6708

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Спецификации

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Fixed
NumberofOutputs 1
Voltage-Input(Min) 2.5V
Voltage-Input(Max) 6V
Voltage-Output(Min/Fixed) 2.5V
Current-Output 300mA
Frequency-Switching 1MHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case SC-74A, SOT-753

Обзор

Description

The TPS62205DBVR is a step-down (buck) DC-DC converter manufactured by Texas Instruments. It is designed for use in portable and battery-powered applications due to its high efficiency and low power consumption. This device operates with an input voltage range of 2.0 V to 6.0 V and can deliver up to 300 mA of output current. The output voltage is adjustable via an external resistor divider or can be set to a fixed value depending on the specific variant.
Key features of the TPS62205DBVR include a high switching frequency of up to 2.25 MHz, which allows for the use of smaller external components and contributes to a compact design. It also incorporates a power-save mode that enhances efficiency at light loads, making it suitable for applications where battery life is critical. Additional features include soft start, current limit protection, and thermal shutdown to ensure reliable operation.
The device is packaged in a small SOT-23 package, making it ideal for space-constrained applications like mobile phones, portable media players, and other handheld devices. Its combination of efficiency, compact size, and robust performance makes the TPS62205DBVR a popular choice for low-power DC-DC conversion tasks.

Features

The TPS62205DBVR is a high-efficiency step-down converter from Texas Instruments. It is designed for low power applications, featuring a wide input voltage range from 2 V to 6 V, making it suitable for single Li-ion batteries or two to three NiMH battery configurations. The device provides a fixed output voltage of 1.8 V and delivers up to 300 mA load current with high efficiency, typically over 90%.
Key features include:
- High Efficiency: Up to 97% at typical operating conditions.
- Low Quiescent Current: Only 15 µA in power-save mode, optimizing battery performance.
- Small Size: Available in a 5-pin SOT package (DBV).
- Automatic Transition: Between PWM (Pulse Width Modulation) and PFM (Pulse Frequency Modulation) modes for efficiency across various loads.
- Soft Start: Reduces inrush current, ensuring stable operation.
- Internal Compensation: Simplifies design and reduces external component count.
The TPS62205 is ideal for portable devices like smartphones, MP3 players, and other battery-powered applications, providing an efficient power solution with minimal external components.

Package

The TPS62205DBVR comes in a DBV package type, which is a 5-pin SOT-23 package. This is a small outline transistor package designed for surface mounting, commonly used for compact electronic devices.

Pinout

The TPS62205DBVR is a step-down DC-DC converter from Texas Instruments. It comes in a 5-pin SOT-23 package. The function of this device is to efficiently convert a higher input voltage to a lower output voltage, making it suitable for battery-powered applications.
Here is a brief overview of the pin configuration:
1. Pin 1 (VIN): Input voltage supply pin. Connect this to the input power source.
2. Pin 2 (GND): Ground pin. This is the return path for input and output power.
3. Pin 3 (FB): Feedback pin. It is used to set the output voltage through an external resistor divider network.
4. Pin 4 (EN): Enable pin. A high signal on this pin enables the device, while a low signal disables it.
5. Pin 5 (SW): Switch pin. It connects to the inductor and is involved in the step-down conversion process.
The TPS62205DBVR is designed for high efficiency and is suitable for low-power applications requiring a compact solution.

Manufacturer

The manufacturer of the TPS62205DBVR is Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a range of analog and embedded processing chips. They are well-known for their innovation and development in electronics, including products used in industrial, automotive, personal electronics, and communications equipment. TI focuses on producing components that improve power efficiency, performance, and reliability in electronic systems.

Application

The TPS62205DBVR is a step-down DC-DC converter designed for low-power applications. Its application areas include portable devices such as smartphones, tablets, and wearables, where efficient power conversion is critical. It is also suitable for battery-powered devices like remote sensors, medical instruments, and wireless communication modules, due to its low quiescent current and high efficiency. Additionally, it can be used in industrial and automotive applications that require compact, reliable power management solutions.

Equivalent

The TPS62205DBVR is a step-down DC-DC converter from Texas Instruments. Equivalent products include:
1. LTC3405 from Analog Devices: A similar step-down regulator with comparable features.
2. AP63200 from Diodes Incorporated: A step-down converter that matches in functionality.
3. MIC5205 from Microchip: Offers similar voltage regulation capabilities.
4. MAX16903 from Maxim Integrated: Another alternative with step-down conversion.
Ensure to check the detailed specifications and compatibility before selecting a direct replacement.

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