圖片僅供參考
RT9078-33GQZ
+物料清單IC REG LINEAR 3.3V 300MA 4-ZQFN
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製造商Richtek美國股份有限公司。
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製造商部分 #RT9078-33GQZ
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有存貨1871
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正品保證
規格
| 屬性 | 價值 |
| Part Status | Active |
| Base Product Number | RT9078 |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 3.3V |
| Voltage Dropout (Max) | 0.22V @ 300mA |
| Current - Output | 300mA |
| Current - Quiescent (Iq) | 4 µA |
| PSRR | 75dB (1kHz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package | 4-XDFN Exposed Pad |
| Supplier Device Package | 4-ZQFN (1x1) |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
概述
Description
Key features include a low quiescent current, excellent line and load transient response, and low output voltage noise, which is crucial for sensitive applications. It often comes in a compact package, such as SOT-23 or similar, making it suitable for space-constrained designs. The RT9078-33GQZ also generally incorporates protection features like current limiting and thermal shutdown to enhance reliability. Its ease of use, requiring minimal external components, and its robust performance make it a popular choice for designers seeking to ensure stable power delivery in various electronic applications.
Equivalent
Features
1. Output Voltage: It provides a fixed output voltage of 3.3V.
2. Output Current: It supports a maximum output current, typically up to 500mA.
3. Dropout Voltage: The LDO has a low dropout voltage, which increases power efficiency and extends battery life in portable devices.
4. Quiescent Current: It operates with a low quiescent current, which is crucial for battery-powered applications.
5. Stability: The RT9078-33GQZ is stable with low ESR capacitors, ensuring reliable performance across different conditions.
6. Protection: It includes features like overcurrent protection and thermal shutdown to safeguard against potential damage.
7. Package: Typically available in a compact SOT-23-5 package, making it suitable for space-constrained applications.
8. Temperature Range: Designed to operate over a wide temperature range, making it versatile for various environments.
This regulator is ideal for applications requiring efficient voltage regulation from a higher input voltage to a stable 3.3V output.
Pinout
The RT9078-33GQZ typically comes in a SOT-23-5 package, which means it has 5 pins. Here’s a concise breakdown of its pins and their functions:
1. VIN: Input voltage pin, where the input power is connected.
2. GND: Ground pin, connected to the system ground.
3. VOUT: Output voltage pin, where the regulated 3.3V is provided.
4. EN: Enable pin, used to turn the regulator on or off.
5. NC (or FB): No Connect or Feedback pin, depending on the specific design.
This regulator is designed for applications requiring a stable voltage supply with minimal power loss, ideal for battery-operated devices and other low-power electronics. Always refer to the datasheet for detailed specifications and pin configurations.