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TPS62A02DRLR
+BOM2.5-V TO 5.5-V INPUT, 2-A HIGH-E
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Nhà sản xuấtTexas Dụng cụ
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Ông. Phần #TPS62A02DRLR
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Bảng dữ liệu TPS62A02DRLR DataSheet
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Gói SOT-5X3 (DRL)-6
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Có sẵn6582
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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) | 2.5V |
| Voltage-Input(Max) | 5.5V |
| Voltage-Output(Min/Fixed) | 0.6V |
| Voltage-Output(Max) | 5.5V |
| Current-Output | 2A |
| Frequency-Switching | 2.4MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | SOT-563, SOT-666 |
Tổng quan
Description
Key features include a typical switching frequency of 2.5 MHz, which helps reduce the size of external components. The device also supports Power Save Mode, enhancing efficiency at light loads, and features an adjustable output voltage. The TPS62A02DRLR also includes built-in protection mechanisms such as overcurrent protection, thermal shutdown, and undervoltage lockout to enhance system reliability.
Its small QFN package makes it suitable for applications requiring high power density. The converter is widely used in applications like industrial equipment, communication devices, and consumer electronics where efficient power management is crucial.
Equivalent
1. LMR33630 - A similar step-down regulator from Texas Instruments.
2. LTC3633 - A dual output buck regulator from Analog Devices.
3. MAX77813 - A highly integrated buck converter from Maxim Integrated.
4. AP63356 - A synchronous buck converter from Diodes Incorporated.
Ensure compatibility with your specific application requirements before choosing a substitute.
Features
1. Input Voltage Range: Supports 2.3 V to 5.5 V, making it suitable for a variety of applications powered by batteries or low-voltage rails.
2. Output Current: Capable of delivering up to 2 A continuous output current, suitable for moderate power applications.
3. Efficiency: Features high efficiency up to 97%, reducing power loss and heat generation.
4. Quiescent Current: Low quiescent current of 15 µA helps extend battery life in portable applications.
5. Switching Frequency: Operates at a fixed frequency of 2.5 MHz, enabling the use of small inductors and capacitors.
6. Package: Available in a tiny 2 mm × 2 mm VSON package, ideal for space-constrained designs.
7. Soft Start and Enable Pin: Includes features for controlled start-up and enable/disable functionality for power sequencing.
8. Protection Features: Overcurrent protection (OCP), thermal shutdown, and short-circuit protection enhance reliability and robustness.
These features make the TPS62A02DRLR suitable for applications like portable electronics, industrial sensors, and other systems requiring efficient power conversion.
Pinout
1. VIN: Input voltage pin; this is where the power supply is connected.
2. GND: Ground pin; serves as the ground reference for the converter.
3. EN: Enable pin; used to enable or disable the device.
4. SW: Switch node pin; connects to the inductor for switching operations.
5. FB: Feedback pin; used to set the output voltage via a resistor divider.
6. PG: Power good pin; indicates the status of the output voltage.
These pins and their respective functions allow the TPS62A02DRLR to efficiently step down higher input voltages to lower output voltages in various applications, such as portable electronics and industrial equipment.