Richtek USA Inc. RT9078-15GQZ
| 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 | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 1.5V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.47V @ 300mA |
| Current - Output | 300mA |
| Current - Quiescent (Iq) | 4 µA |
| Current - Supply (Max) | - |
| PSRR | - |
| Control Features | Current Limit, Enable |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 4-XDFN Exposed Pad |
| Supplier Device Package | 4-ZQFN (1x1) |
| ROHS |  |
The RT9078-15GQZ is a fixed 1.5V low dropout regulator from Richtek, delivering up to 300mA. It features an ultra-low quiescent current of 4µA and a very low dropout voltage of 0.47V at full load. The maximum input voltage is 5.5V. Housed in an industry-leading 4-ZQFN (1x1mm) package, this LDO is designed for the most space-constrained applications, including wearables, medical devices, and IoT sensors.
- World's Smallest Package: 1x1mm ZQFN enables unprecedented miniaturization for wearable and implantable devices.
- Ultra-Low Dropout: 0.47V at 300mA maximizes efficiency with low input voltages.
- Minimal Power Loss: 4µA quiescent current extends battery life in always-on applications.
- High Current Density: 300mA output in a 1mm² package offers excellent power-to-size ratio.
Ultra-Compact Wearables
The 1x1mm ZQFN package of the RT9078 makes it perfect for smart rings and earbuds, where PCB space is at an absolute premium.
Bluetooth Audio Devices
Wireless earbuds use this LDO to power audio codecs at 1.5V, with the low 0.47V dropout ensuring operation even as the battery discharges.
Sensor Nodes
In environmental monitoring sensors, the RT9078's 4µA quiescent current allows years of operation from a coin cell battery.
Medical Implants
Hearing aids and pacemaker monitors benefit from the tiny footprint and low power consumption, critical for implantable devices.
Smart Cards
Contactless smart cards use the RT9078 to regulate harvested RF energy to 1.5V for the secure element, with minimal power loss.
Portable GPS Trackers
Pet and asset trackers rely on this regulator for stable 1.5V to GPS modules, with the small package fitting into compact enclosures.
- Q: What is the output voltage of the RT9078-15GQZ?
- A: The RT9078-15GQZ provides a fixed 1.5V output voltage.
- Q: What is the maximum output current?
- A: This LDO can deliver up to 300mA of output current.
- Q: What is the input voltage range?
- A: The maximum input voltage is 5.5V, suitable for battery-powered systems.
- Q: What is the dropout voltage?
- A: Dropout voltage is very low at 0.47V at a 300mA load.
- Q: What is the quiescent current?
- A: Quiescent current is a low 4µA, ideal for power-sensitive applications.
- Q: What package is available?
- A: It comes in an ultra-compact 4-ZQFN (1x1mm) package.
RT9078-15GQZ.pdf
- Q: What is the output voltage of the RT9078-15GQZ?
- A: The RT9078-15GQZ provides a fixed 1.5V output voltage.
- Q: What is the maximum output current?
- A: This LDO can deliver up to 300mA of output current.
- Q: What is the input voltage range?
- A: The maximum input voltage is 5.5V, suitable for battery-powered systems.
- Q: What is the dropout voltage?
- A: Dropout voltage is very low at 0.47V at a 300mA load.
- Q: What is the quiescent current?
- A: Quiescent current is a low 4µA, ideal for power-sensitive applications.
- Q: What package is available?
- A: It comes in an ultra-compact 4-ZQFN (1x1mm) package.
