Richtek USA Inc. RT9198-27GU5R

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Product attributes Property Value
Manufacturer Richtek USA Inc.
Product Series
Packaging |
Output Configuration Active
Output Type Positive
Number of Regulators Fixed
Voltage - Input (Max) 5.5V
Voltage - Output (Min/Fixed) 2.7V
Voltage - Output (Max) -
Voltage Dropout (Max) 0.33V @ 300mA
Current - Output 300mA
Current - Quiescent (Iq) 130 μA
Current - Supply (Max) -
PSRR 60dB ~ 30dB (100Hz ~ 10kHz)
Control Features -
Protection Features Over Current, Over Temperature
Operating Temperature -40°C ~ 125°C
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 5-TSSOP, SC-70-5, SOT-353
Supplier Device Package SC-70-5R
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The RT9198-27GU5R is a fixed 2.7V LDO linear regulator from Richtek, offering 300mA output in a compact SC-70-5R package. With a low dropout of 0.33V and 130 μA quiescent current, it is designed for battery-powered and space-limited applications. Its high PSRR ensures a stable, low-noise output.

  • Compact Size: SC-70-5R package saves critical board space.
  • Low Power: 130 μA quiescent current is ideal for battery operation.
  • Noise Rejection: 60dB PSRR at 100Hz protects sensitive loads.
  • High Current Density: 300mA capability in a tiny package.

Portable Audio Players

Power audio DACs and headphone amplifiers with a clean 2.7V supply, leveraging high PSRR to minimize audible noise.

Wireless Sensors

Ideal for 2.7V-powered wireless sensor nodes, with low quiescent current for extended battery life.

Camera Modules

Provide stable 2.7V to image sensors and CCDs, ensuring consistent performance in varying light conditions.

Handheld GPS Units

Regulate power for GPS receivers, where low dropout and noise rejection are critical for accurate signal acquisition.

Embedded Systems

Supply 2.7V to mixed-signal microcontrollers, maintaining stable operation across temperature ranges.

Q: What is the output voltage of the RT9198-27GU5R?
A: The fixed output voltage is 2.7V.
Q: What is the maximum output current?
A: It can provide up to 300mA.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; consult the official datasheet.
Q: What is the dropout voltage?
A: Dropout is 0.33V at 300mA.
Q: What is the quiescent current?
A: Quiescent current is 130 μA.
Q: What package is this?
A: It comes in the SC-70-5R package.
Base Product Number : RT9198-27
2.7V 300mA Fixed Output High PSRR LDO Linear Regulator Low Quiescent Current Richtek SC-70-5R
Q: What is the output voltage of the RT9198-27GU5R?
A: The fixed output voltage is 2.7V.
Q: What is the maximum output current?
A: It can provide up to 300mA.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; consult the official datasheet.
Q: What is the dropout voltage?
A: Dropout is 0.33V at 300mA.
Q: What is the quiescent current?
A: Quiescent current is 130 μA.
Q: What package is this?
A: It comes in the SC-70-5R package.