Richtek USA Inc. RT9198-32GU5R

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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) 3.2V
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 RT9198-32GU5R is a fixed 3.2V LDO regulator from Richtek, delivering 300mA with a dropout of just 0.33V. Its 130 μA quiescent current and high PSRR make it excellent for battery-operated and noise-sensitive applications. The SC-70-5R package provides a compact, reliable solution.

  • Precision Output: Fixed 3.2V with tight regulation for sensitive electronics.
  • Low Power: 130 μA quiescent current ideal for always-on devices.
  • High Ripple Rejection: 60dB PSRR at 100Hz filters supply noise.
  • Miniature Size: SC-70-5R package fits ultra-compact PCBs.

FPGA and CPLD Core Supplies

3.2V output with 300mA capacity supports low-power FPGA cores in portable instrumentation.

Wireless Charging Receivers

Provides stable 3.2V rail for power management ICs in Qi-compatible devices.

Smart Home Hubs

Clean power for Zigbee/Thread radios and application processors in smart speakers and hubs.

Portable Test Equipment

Low dropout and high PSRR ensure accurate measurements in multimeters and oscilloscopes.

Medical Implants

Ultra-low quiescent current and small SC-70-5R package suit hearing aids and neurostimulators.

Security Cameras

Regulated 3.2V for image sensors and wireless modules in battery-powered security cameras.

Q: What is the output voltage of the RT9198-32GU5R?
A: The fixed output voltage is 3.2V.
Q: What is the maximum output current?
A: It can deliver up to 300mA.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; refer to the datasheet.
Q: What is the dropout voltage?
A: The dropout voltage is 0.33V at 300mA load.
Q: What is the quiescent current?
A: The quiescent current is 130 μA.
Q: What package is available?
A: It comes in an SC-70-5R package.
Base Product Number : RT9198
3.2V 300mA High PSRR LDO Linear Regulator Low Quiescent Current Richtek SC-70-5R
Q: What is the output voltage of the RT9198-32GU5R?
A: The fixed output voltage is 3.2V.
Q: What is the maximum output current?
A: It can deliver up to 300mA.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; refer to the datasheet.
Q: What is the dropout voltage?
A: The dropout voltage is 0.33V at 300mA load.
Q: What is the quiescent current?
A: The quiescent current is 130 μA.
Q: What package is available?
A: It comes in an SC-70-5R package.