Richtek USA Inc. RT9053AZQW
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.16 | $1.16 |
| 15+ | $1.12 | $16.80 |
| 25+ | $1.10 | $27.50 |
| 50+ | $1.04 | $52.00 |
| 100+ | $0.92 | $92.00 |
| N+ | $0.18 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Richtek USA Inc. |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 5.15V |
| Voltage Dropout (Max) | 0.35V @ 400mA |
| Current - Output | 400mA |
| Current - Quiescent (Iq) | 50 µA |
| Current - Supply (Max) | - |
| PSRR | 56dB ~ 35dB (1kHz ~ 10kHz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | -40°C ~ 85°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 6-WDFN Exposed Pad |
| Supplier Device Package | 6-WDFN (2x2) |
| ROHS |
The RT9053AZQW from Richtek is a 400mA adjustable LDO linear regulator with an output up to 5.15V. Featuring a low dropout of 0.35V and a quiescent current of 50 µA, it balances efficiency and performance. The 6-WDFN package is ideal for space-constrained applications.
- High Output Current: 400mA supports a wide range of loads.
- Low Dropout: 0.35V @ 400mA maximizes efficiency.
- Good PSRR: 56dB at 1kHz reduces noise.
- Compact WDFN: 2x2mm package saves space.
FPGA Core Power
400mA output and low dropout make it suitable for powering FPGA core logic from a 1.8V rail.
Portable SSD Controllers
Provides clean, stable power to SSD controllers, with PSRR of 56dB at 1kHz to reduce switching noise.
Battery-Powered Cameras
The 50 µA quiescent current and small WDFN package fit compact camera modules.
Industrial Sensors
Wide adjustable output range allows flexible sensor supply voltages.
Networking Equipment
Stable output for PHY transceivers, with good PSRR up to 10kHz.
Portable Test Equipment
Low dropout extends battery life in handheld multimeters.
- Q: What is the output voltage range?
- A: The RT9053AZQW offers an adjustable output up to 5.15V.
- Q: What is the maximum output current?
- A: It can deliver up to 400mA of output current.
- Q: What is the input voltage range?
- A: The input voltage can be as low as 0.8V, supporting low-voltage rails.
- Q: What is the dropout voltage?
- A: Dropout is typically 0.35V at 400mA, ensuring efficient operation.
- Q: What is the quiescent current?
- A: Quiescent current is 50 µA, balancing performance and power consumption.
- Q: What package is available?
- A: It comes in a compact 6-WDFN (2x2mm) package.
- Q: What is the output voltage range?
- A: The RT9053AZQW offers an adjustable output up to 5.15V.
- Q: What is the maximum output current?
- A: It can deliver up to 400mA of output current.
- Q: What is the input voltage range?
- A: The input voltage can be as low as 0.8V, supporting low-voltage rails.
- Q: What is the dropout voltage?
- A: Dropout is typically 0.35V at 400mA, ensuring efficient operation.
- Q: What is the quiescent current?
- A: Quiescent current is 50 µA, balancing performance and power consumption.
- Q: What package is available?
- A: It comes in a compact 6-WDFN (2x2mm) package.

RT9053AZQW.pdf