Richtek USA Inc. RT9166A-15GX
| 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 |
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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) | 1.5V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.58V @ 600mA (Typ) |
| Current - Output | 600mA |
| Current - Quiescent (Iq) | 300 μA |
| Current - Supply (Max) | - |
| PSRR | 55dB (1kHz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-243AA |
| Supplier Device Package | SOT-89-3 |
| ROHS |
The Richtek RT9166A-15GX is a fixed-output low dropout regulator that provides a stable 1.5V supply at up to 600mA. With a typical dropout voltage of just 0.58V and a low quiescent current of 300 μA, it is well-suited for battery-powered and portable electronics. The SOT-89-3 package offers a compact footprint for space-limited designs.
- Stable 1.5V Output: Delivers a precise fixed 1.5V supply, ideal for powering digital cores and mixed-signal circuits.
- Low Dropout Operation: The 0.58V dropout voltage allows efficient regulation even when the input supply is close to the output voltage.
- Minimized Power Consumption: A 300 μA quiescent current reduces standby power, making it ideal for battery-operated devices.
- Compact SOT-89-3 Package: Saves board space while providing adequate thermal dissipation for up to 600mA of load current.
FPGA and CPLD Core Supplies
Many FPGAs and CPLDs require a 1.5V core voltage. The RT9166A-15GX provides a stable 600mA supply with low dropout, ensuring reliable logic operation.
Portable Audio Players
Power the digital-to-analog converter (DAC) and audio codec with a clean 1.5V rail. The 55dB PSRR helps minimize audible noise from the power supply.
Wireless Communication Modules
For RF transceivers and baseband processors needing 1.5V, this LDO offers a low-noise supply, reducing interference and improving signal integrity.
Battery-Powered Instrumentation
The low 300 μA quiescent current is ideal for handheld meters and sensors, extending operational life between battery charges.
Compact IoT Devices
The SOT-89-3 package is space-efficient, making it suitable for space-constrained IoT nodes and wearables that require a regulated 1.5V supply.
- Q: What is the output voltage of the RT9166A-15GX?
- A: The RT9166A-15GX provides a fixed output voltage of 1.5V.
- Q: What is the maximum output current?
- A: This LDO can deliver up to 600mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please refer to the official datasheet for this parameter.
- Q: What is the dropout voltage?
- A: The typical dropout voltage is 0.58V at a 600mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 300 μA.
- Q: What package is available?
- A: This model comes in the SOT-89-3 package.
- Q: What is the output voltage of the RT9166A-15GX?
- A: The RT9166A-15GX provides a fixed output voltage of 1.5V.
- Q: What is the maximum output current?
- A: This LDO can deliver up to 600mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; please refer to the official datasheet for this parameter.
- Q: What is the dropout voltage?
- A: The typical dropout voltage is 0.58V at a 600mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 300 μA.
- Q: What package is available?
- A: This model comes in the SOT-89-3 package.

RT9166A-15GX.pdf