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TPS62239DRYR
+NomenclatureIC REG BUCK 1V 500MA 6SON
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FabricantTexas Instruments
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Pièce fabricant #TPS62239DRYR
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En stock6432
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Spécifications
| Attribut | Valeur |
| Part Status | Active |
| Base Product Number | TPS62239 |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 2.05V |
| Voltage - Input (Max) | 6V |
| Voltage - Output (Min/Fixed) | 1V |
| Current - Output | 500mA |
| Frequency - Switching | 3MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package | 6-UFDFN |
| Supplier Device Package | 6-SON (1.45x1) |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
Présentation
Description
This converter can deliver an output current of up to 3A with a low output voltage ripple, thanks to its synchronous operation and pulse-width modulation (PWM) control. Key features include adjustable output voltage, low quiescent current, and integrated power MOSFETs, which enhance efficiency, especially in low-load conditions.
The TPS62239DRYR is packaged in a compact QFN (Quad Flat No-lead) format, facilitating space-saving designs. It also includes protection features such as thermal shutdown and current limit, ensuring reliable operation. Overall, it's an ideal choice for applications requiring high efficiency, compact size, and reliability in power management.
Equivalent
Features
1. Input Voltage Range: Operates from 2.3V to 5.5V, suitable for single-cell Li-ion batteries and other low-voltage sources.
2. Output Current: Up to 3A output current with excellent load transient response.
3. Efficiency: High efficiency up to 95%, optimizing battery life in portable devices.
4. Adjustable Output Voltage: Outputs can be set from 0.8V to 5.5V using external resistors.
5. Light Load Efficiency: Supports pulse-skipping mode for improved efficiency at light load conditions.
6. Soft Start: Integrated soft-start function limits inrush current during startup.
7. Thermal Protection: Equipped with thermal shutdown to protect against overheating.
8. Small Package: Available in a compact 2mm x 2mm QFN package, ideal for space-constrained designs.
These features make the TPS62239DRYR suitable for applications like portable electronics, IoT devices, and battery-powered systems.
Pinout
Key functions of the pins include:
1. VIN (Pin 1): Input voltage supply.
2. SW (Pin 2 & 3): Switch node connecting to the inductor.
3. GND (Pin 4): Ground.
4. VOUT (Pin 5): Output voltage.
5. COMP (Pin 6): Compensation network connection for stability.
6. EN (Pin 7): Enable pin for turning the device on/off.
7. SENSE+ (Pin 8): Positive input for the current sense.
8. SENSE- (Pin 9): Negative input for current sensing.
9. FB (Pin 10): Feedback voltage input for regulation.
10. SS (Pin 11): Soft-start pin.
11. PG (Pin 12): Power good output.
12. NC (Pins 13-16): No connect.
This IC is designed for high efficiency and compact designs in power supply applications.
Manufacturer
Founded in 1930, Texas Instruments has established itself as a leader in the semiconductor industry, catering to a diverse array of markets, such as automotive, industrial, communications, consumer electronics, and more. Their products are widely used in applications requiring efficient power management solutions, which is the case with the TPS62239DRYR, a step-down (buck) DC-DC converter known for its high efficiency and compact design.
Texas Instruments emphasizes research and development, providing engineers and designers with the tools and resources needed to create advanced electronic systems. With a global presence and a commitment to innovation, TI plays a crucial role in the evolution of modern electronics.