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RT9078-18GQZ
+BOMIC REG LINEAR 1.8V 300MA 4-ZQFN
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Nhà sản xuấtRichtek USA Inc.
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Ông. Phần #RT9078-18GQZ
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Có sẵn4402
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| 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) | 1.8V |
| Voltage Dropout (Max) | 0.42V @ 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 / Case | 4-XDFN Exposed Pad |
| Supplier Device Package | 4-ZQFN (1x1) |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
Tổng quan
Description
The RT9078 series is noted for its high power supply rejection ratio (PSRR) and low noise output, making it suitable for sensitive applications like RF systems, precision analog circuits, and battery-powered devices. It includes protections such as over-current protection (OCP) and thermal shutdown to enhance reliability and safety. Additionally, it often features a fast transient response to changes in load conditions, providing efficiency and stability in dynamic environments.
Equivalent
1. Texas Instruments TPS7A05 - Known for ultra-low quiescent current.
2. Microchip MCP1703 - Features low quiescent current and high PSRR.
3. ON Semiconductor NCP1117 - A common choice for general LDO needs.
4. Analog Devices ADP1710 - Offers low noise and fast transient response.
Specifications should be cross-checked to ensure compatibility in terms of output voltage, current rating, and package type.
Features
1. Low Dropout Voltage: Designed to operate efficiently with minimal voltage difference between input and output.
2. High PSRR (Power Supply Rejection Ratio): Offers excellent noise rejection, ensuring stable performance even in environments with fluctuating input power.
3. Low Quiescent Current: Consumes minimal current when in operation, which is beneficial for battery-powered devices.
4. Short-Circuit Protection: Safeguards against current overloads, enhancing reliability and longevity.
5. Thermal Shutdown: Protects the device from overheating, automatically disabling it if temperature limits are exceeded.
6. Compact Package: Often available in a small footprint, making it suitable for space-constrained applications.
These features make the RT9078-18GQZ ideal for applications requiring efficient, stable voltage regulation in a compact form factor.
Pinout
1. VIN (Input Voltage): The pin where the input voltage is supplied.
2. GND (Ground): The common ground pin for the regulator, which serves as the return path for the input and output.
3. VOUT (Output Voltage): This pin delivers the regulated output voltage. In the case of the RT9078-18GQZ, it outputs 1.8V.
4. EN (Enable): This pin is used to enable or disable the regulator. By applying a high signal, the LDO is enabled, while a low signal disables the output.
The RT9078-18GQZ is designed for applications requiring a stable voltage supply with low dropout, making it suitable for portable devices and other electronic applications that require efficient power management.