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TPS40303DRCR
+StücklisteIC REG CTRLR BUCK 10SON
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HerstellerTexas Instruments
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Herstellerteil #TPS40303DRCR
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Datenblatt TPS40303DRCR DataSheet
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Auf Lager7831
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Spezifikationen
| Attribut | Wert |
| Part Status | Active |
| Output Type | Transistor Driver |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Number of Outputs | 1 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 3V ~ 20V |
| Frequency - Switching | 300kHz |
| Duty Cycle (Max) | 90% |
| Synchronous Rectifier | Yes |
| Clock Sync | No |
| Control Features | Enable, Power Good, Soft Start |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 10-VFDFN Exposed Pad |
| Supplier Device Package | 10-VSON (3x3) |
| Base Product Number | TPS40303 |
Übersicht
Description
Key features include integrated MOSFETs for efficient power conversion, adjustable output voltage down to 0.8 V, and a programmable soft-start function that helps manage inrush current during startup. The device employs a current-mode control architecture, which enhances transient response and simplifies compensation design.
It also includes protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring reliability and safety in various operating conditions. The TPS40303DRCR is offered in a compact 16-pin HTQFP package, facilitating space-saving designs. Its combination of performance, efficiency, and protection makes it a popular choice among engineers for efficient DC-DC power supply solutions.
Equivalent
Features
1. Wide Input Voltage Range: Operates from 4.5V to 17V, making it suitable for various applications.
2. High Efficiency: Supports synchronous operation to minimize power losses.
3. Output Voltage Regulation: Offers adjustable output voltage down to 0.8V, with output voltage accuracy of ±1%.
4. Current Mode Control: Provides fast transient response and simplifies compensation.
5. Integrated High and Low-Side MOSFET Drivers: Reduces external component count and board space.
6. Soft Start Functionality: Prevents inrush current during startup.
7. Power Good Indicator: Alerts when the output voltage is within the desired range.
8. Thermal Shutdown and Overcurrent Protection: Ensures safe operation under fault conditions.
This device is ideal for applications requiring efficient voltage regulation, such as power supplies for processors, FPGAs, and other digital circuits.
Pinout
Key pins and functions include:
1. VIN: Input voltage supply.
2. GND: Ground reference.
3. SW: Switch node connected to the inductor.
4. BOOT: Bootstrap capacitor connection for high-side MOSFET driving.
5. PH: Phase node for feedback.
6. COMP: Compensation network connection for stability.
7. FB: Feedback voltage sensing input.
8. EN: Enable pin for turning the device on/off.
9. RAMP: Connects to the slope compensation capacitor.
10. CSN/ CSP: Current sense inputs for overcurrent protection.
The device is designed for applications such as point-of-load converters, providing a compact solution for delivering power efficiently in various electronic devices.
Manufacturer
Founded in 1930, the company has evolved from its origins in oil exploration and military applications to become a leader in the semiconductor industry. Texas Instruments is particularly known for its innovation in analog electronics, digital signal processors, microcontrollers, and power management devices.
The TPS40303DRCR itself is a synchronous buck controller designed for efficient power conversion applications, making it suitable for a wide range of electronic devices, from consumer electronics to industrial equipment. TI’s extensive portfolio and commitment to research and development have established it as a reliable source for high-performance electronic components.
Application
1. DC-DC Power Supply: Converting higher DC voltage to lower levels for various electronic devices.
2. Battery-Powered Systems: Efficiently stepping down voltage for battery management in portable devices.
3. Industrial Equipment: Powering microcontrollers, sensors, and other components in automation systems.
4. Telecommunications: Providing regulated power for networking equipment and communication devices.
5. Consumer Electronics: Used in laptops, tablets, and smart devices for efficient power management.
Its high efficiency and compact design make it suitable for a wide range of applications requiring reliable voltage regulation.