Richtek

RT9198-18GBR

RT9198-18GBR Description

The RT9198-18GBR is a high-performance linear regulator designed for applications requiring a stable and efficient power supply. Manufactured by Richtek USA Inc., this IC offers a fixed output voltage of 1.8V with a maximum input voltage of 5.5V and a maximum output current of 300mA. The regulator is housed in a compact SOT23-5 package, making it suitable for space-constrained designs. With a low dropout voltage of 0.33V at 300mA, the RT9198-18GBR ensures efficient power conversion even at low input-to-output voltage differentials. Its quiescent current of 130 µA and a PSRR ranging from 60dB to 30dB (100Hz to 10kHz) provide excellent noise rejection and stability. The regulator also features over-current and over-temperature protection, ensuring reliable operation under various conditions. The RT9198-18GBR is REACH unaffected and RoHS3 compliant, adhering to stringent environmental standards. It is available in a surface mount package and has a moisture sensitivity level of 3 (168 hours), making it suitable for a wide range of manufacturing processes.

RT9198-18GBR Features

• Output Type: Fixed
• Voltage - Input (Max): 5.5V
• Current - Output: 300mA
• Number of Regulators: 1
• Output Configuration: Positive
• Voltage - Output (Min/Fixed): 1.8V
• Voltage Dropout (Max): 0.33V @ 300mA
• Current - Quiescent (Iq): 130 µA
• PSRR: 60dB to 30dB (100Hz to 10kHz)
• Protection Features: Over Current, Over Temperature
• Package: SOT23-5
• Mounting Type: Surface Mount
• Moisture Sensitivity Level (MSL): 3 (168 Hours)
• REACH Status: REACH Unaffected
• RoHS Status: ROHS3 Compliant
• ECCN: EAR99
• HTSUS: 8542.39.0001

RT9198-18GBR Applications

The RT9198-18GBR is ideal for a variety of applications where a stable and efficient power supply is required. Its low dropout voltage and high PSRR make it suitable for applications such as:

• Consumer Electronics: Portable devices, smartphones, and tablets where space and power efficiency are critical.
• Industrial Equipment: Control systems, sensors, and instrumentation that require stable power supplies.
• Telecommunications: Base stations, routers, and other networking equipment where reliability and low noise are essential.
• Automotive: In-vehicle infotainment systems, electronic control units, and other automotive electronics that demand high performance and reliability.

Conclusion of RT9198-18GBR

The RT9198-18GBR stands out as a reliable and efficient linear regulator, offering a fixed 1.8V output with a maximum input voltage of 5.5V and a maximum output current of 300mA. Its low dropout voltage and high PSRR ensure efficient power conversion and excellent noise rejection, making it suitable for a wide range of applications. The compact SOT23-5 package and surface mount configuration provide flexibility in design and manufacturing. With over-current and over-temperature protection, the RT9198-18GBR ensures reliable operation under various conditions. Its REACH unaffected and RoHS3 compliant status further enhance its appeal for environmentally conscious designs. Overall, the RT9198-18GBR is an excellent choice for applications requiring a stable and efficient power supply in a compact form factor.