Richtek USA Inc. RT9198-31GY

Skip to product information
1 of 1
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Regular price $94,999.99
Regular price $99,999.99 Sale price $94,999.99
Sale Sold out
Quantity Unit Price Total Price
1 $94,999.99 $94,999.99
15+ $91,999.99 $1,379,999.85
25+ $89,999.99 $2,249,999.75
50+ $84,999.99 $4,249,999.50
100+ $74,999.99 $7,499,999.00
N+ $15,000.00 Price Inquiry
Shipping calculated at checkout.
Quantity
Component Recycling

Request Quote / Inquiry

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) 3.1V
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 SC-82
Supplier Device Package SC-82
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The RT9198-31GY from Richtek is a fixed 3.1V low dropout regulator capable of delivering 300mA. With a low 130 μA quiescent current and a compact SC-82 package, it is designed for efficient power management in precision analog, portable, and battery-powered applications.

  • Precise 3.1V Output: Ideal for systems needing a non-standard voltage rail.
  • Low Quiescent Current: 130 μA extends battery life in portable devices.
  • Small Form Factor: SC-82 package is perfect for compact designs.
  • Stable Operation: Low dropout ensures reliable performance.

3.1V Logic Systems

Provides a precise 3.1V rail for systems that require slightly higher than standard 3.0V logic levels.

Battery-Powered Medical Devices

The low quiescent current and stable output make it suitable for portable health monitors.

Precision Analog Circuits

Offers a clean, low-noise supply for op-amps and ADC reference circuits.

Portable Communication Devices

Powers RF circuits and baseband processors in handheld radios and GPS units.

Automotive Electronics

Can be used in non-automotive-grade applications requiring a stable 3.1V supply.

Smart Home Sensors

Ideal for powering 3V-class sensors and microcontrollers in smart home devices.

Q: What is the output voltage of the RT9198-31GY?
A: The output voltage is fixed at 3.1V.
Q: What is the maximum output current?
A: It can provide up to 300mA of output current.
Q: What is the input voltage range?
A: The input voltage should be above 3.1V plus dropout; typical maximum is 5.5V. Refer to the datasheet for details.
Q: What is the dropout voltage?
A: The dropout voltage is typically 0.33V at 300mA load.
Q: What is the quiescent current?
A: The quiescent current is 130 μA.
Q: What package is this LDO available in?
A: It comes in the SC-82 package.
Base Product Number : RT9198
3.1V 300mA LDO Linear Regulator Low Quiescent Current Richtek RT9198 SC-82
Q: What is the output voltage of the RT9198-31GY?
A: The output voltage is fixed at 3.1V.
Q: What is the maximum output current?
A: It can provide up to 300mA of output current.
Q: What is the input voltage range?
A: The input voltage should be above 3.1V plus dropout; typical maximum is 5.5V. Refer to the datasheet for details.
Q: What is the dropout voltage?
A: The dropout voltage is typically 0.33V at 300mA load.
Q: What is the quiescent current?
A: The quiescent current is 130 μA.
Q: What package is this LDO available in?
A: It comes in the SC-82 package.