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TPS54140ADGQ
+StücklisteIC REG BUCK ADJ 1.5A 10MSOP
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HerstellerTexas Instruments
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Herstellerteil #TPS54140ADGQ
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Paket HVSSOP-10
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Auf Lager1760
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package / Case | Bulk,Tube |
| Series | Eco-Mode™ |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 3.5V |
| Voltage - Input (Max) | 42V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 39V |
| Current - Output | 1.5A |
| Frequency - Switching | 100kHz ~ 2.5MHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
Übersicht
Description
The device includes an integrated high-side MOSFET, which reduces the need for external components and simplifies the design. It also offers features like an adjustable switching frequency, internal loop compensation, and a low dropout operation for better performance under light loads.
The TPS54140ADGQ incorporates protection mechanisms such as current limiting, thermal shutdown, and undervoltage lockout to enhance reliability and safety. Packaged typically in an 8-pin SOIC, it is suitable for compact designs. Applications include industrial power supplies, automotive systems, and consumer electronics where regulated power is critical. Its efficiency and robust feature set make it an ideal choice for designers looking to implement efficient power conversion solutions.
Equivalent
1. LM2596 from Texas Instruments - A simple switcher, step-down voltage regulator.
2. MIC4576 from Microchip Technology - A high-efficiency, simple switcher.
3. L4973V5.1 from STMicroelectronics - A DC-DC step-down regulator.
4. LT3508 from Analog Devices - A dual-channel step-down switching regulator.
Please verify specific requirements like input/output voltage, current capability, and package type before choosing an equivalent.
Features
1. Wide Input Voltage Range: Operates from 3.5V to 42V, suitable for various applications, including industrial and automotive environments.
2. Output Current: Supports up to 1.5A of continuous output current.
3. High Efficiency: Achieves efficiency up to 95%, which helps in reducing heat and power loss.
4. Adjustable Output Voltage: Offers an adjustable output voltage range from 0.8V to 30V.
5. Integrated High-Side MOSFET: Simplifies the design and minimizes the need for additional components.
6. Switching Frequency: Fixed frequency of 500 kHz, allowing for compact switching solutions.
7. Thermal Shutdown and Overcurrent Protection: Enhances reliability by protecting against overheating and excessive current.
8. Soft Start: Controlled startup to prevent inrush current.
9. Low Quiescent Current: Ideal for battery-powered applications.
10. Compact Package: Available in a small, thermally efficient package for space-constrained designs.
These features make the TPS54140ADGQ suitable for a variety of power regulation tasks in demanding electronic environments.
Pinout
1. BOOT: Bootstrap capacitor connection for the high-side MOSFET driver.
2. VIN: Input supply voltage.
3. EN: Enable pin to turn the device on or off.
4. SS/TR: Soft-start or tracking control.
5. COMP: Compensation pin for the error amplifier.
6. RT/CLK: Resistor timing or optional clock synchronization input.
7. AGND: Analog ground.
8. VSENSE: Feedback voltage from the output.
9. PH: Connection to the inductor for the switch node.
10. PGND: Power ground.
These pins collectively allow the TPS54140ADGQ to deliver efficient power conversion with features like current mode control and frequency synchronization.