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IC REG BUCK ADJ 1.2A 10MSOP
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FabricantTexas Instruments
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Pièce fabricant #TPS62040DGQR
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Package HVSSOP-10
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En stock3537
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Spécifications
| Attribut | Valeur |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 2.5V |
| Voltage - Input (Max) | 6V |
| Voltage - Output (Min/Fixed) | 0.7V |
| Voltage - Output (Max) | 6V |
| Current - Output | 1.2A |
| Frequency - Switching | 1.25MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Présentation
Description
Key features of the TPS62040DGQR include a high switching frequency, which allows for the use of smaller external components, resulting in a more compact overall design. It also boasts a high efficiency, even at light loads, due to its power-save mode operation. The device provides a fixed output voltage, with the capability to deliver up to 1.2A of continuous output current.
The TPS62040DGQR is packaged in a QFN (Quad Flat No-leads) for efficient thermal management and space-saving on the PCB. Its robust design ensures reliable performance with protections such as overcurrent and thermal shutdown.
Equivalent
1. LTC3405A from Analog Devices: A similar 300mA step-down converter.
2. MIC5205 from Microchip: Another alternative in low-dropout voltage regulators.
3. RT8010 from Richtek: A comparable DC-DC buck converter.
4. AP65211 from Diodes Incorporated: Another alternative buck converter.
Always check specific electrical characteristics and features to ensure compatibility with your application.
Features
1. Input Voltage Range: It operates with input voltages ranging from 2.7 V to 10 V, making it suitable for a wide range of applications.
2. Output Voltage: The device provides adjustable output voltages from 0.7 V to 6 V.
3. Output Current: It supports up to 1.5 A of output current.
4. Efficiency: Designed for high efficiency, typically achieving up to 95% efficiency.
5. Switching Frequency: It operates with a fixed switching frequency of 1 MHz, which allows for small external components and fast transient response.
6. Quiescent Current: Low quiescent current of 18 µA helps in extending battery life.
7. Soft Start: Includes a soft start feature to limit inrush current during power up.
8. Protection Features: Offers overcurrent protection, thermal shutdown, and undervoltage lockout for reliable operation.
9. Package: Available in a compact 10-pin QFN package, making it suitable for space-constrained applications.
These features make the TPS62040DGQR ideal for use in portable devices, industrial equipment, and other applications requiring efficient voltage conversion.
Pinout
1. EN: Enable pin to turn the device on or off.
2. VIN: Input voltage supply pin.
3. GND: Ground connection.
4. FB: Feedback pin for output voltage regulation.
5. VOS: Output voltage sense pin.
6. PG: Power Good output indicator.
7. SW: Switch pin connecting to the inductor.
8. PGND: Power ground for the switch.
9. VOUT: Output voltage pin.
10. NC: No connection (some pins may be reserved or have no internal connection).
This configuration allows the TPS62040DGQR to efficiently convert a higher input voltage to a lower, regulated output voltage, suitable for powering various components in electronic systems.
Manufacturer
Application
1. Portable Electronics: Used in smartphones, tablets, and handheld devices for efficient power management.
2. Wearable Devices: Powers compact, battery-operated wearables where space and efficiency are critical.
3. IoT Devices: Supports low-power Internet of Things applications by optimizing battery life.
4. Industrial Sensors: Provides stable power in wireless sensors and telemetry devices.
5. Medical Instruments: Utilized in portable medical equipment for reliable operation.
6. Consumer Electronics: Powers various consumer gadgets, enhancing battery longevity.
Its compact size and efficiency make it suitable for any application requiring efficient power conversion and extended battery life.