3PEAK TPL803450Q-EV1R-S
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.74 | $3.74 |
| 15+ | $0.86 | $12.90 |
| 25+ | $0.85 | $21.25 |
| 50+ | $0.80 | $40.00 |
| 100+ | $0.71 | $71.00 |
| N+ | $0.14 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | 3PEAK |
| Product Series | TPL8034Q |
| Packaging | Tape & Reel (TR) | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 42V |
| Voltage - Output (Min/Fixed) | 5V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.72V @ 200mA |
| Current - Output | 300mA |
| Current - Quiescent (Iq) | 5.5 μA |
| Current - Supply (Max) | - |
| PSRR | 65dB ~ 40dB (1kHz ~ 1MHz) |
| Control Features | Delay, Enable, Power Good |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | Automotive |
| Qualification | AEC-Q100 |
| Mounting Type | Surface Mount |
| Package / Case | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad |
| Supplier Device Package | 8-EMSOP |
| ROHS |
The 3PEAK TPL803450Q is a low dropout linear regulator offering a fixed 5V output with 300mA current capability. Its ultra-low 5.5 μA quiescent current and excellent PSRR (65dB at 1kHz) make it ideal for noise-sensitive, battery-powered applications. The compact 8-EMSOP package fits space-limited designs while delivering reliable performance.
- Ultra-Low Power Consumption: 5.5 μA quiescent current extends battery life in standby and active modes.
- Excellent Noise Rejection: PSRR of 65dB at 1kHz and 40dB at 1MHz ensures clean output for RF and audio circuits.
- Compact Footprint: 8-EMSOP package saves PCB space for miniaturized devices.
- Stable 5V Output: 300mA capability supports a variety of digital and analog loads.
IoT Edge Nodes
The 5.5 μA quiescent current and 5V output make this LDO perfect for always-on IoT sensors that need to conserve battery while maintaining a stable supply.
Portable Audio Devices
With PSRR of 65dB at 1kHz, this regulator effectively rejects noise from digital circuits, delivering clean 5V power to audio codecs and amplifiers.
Wearable Health Monitors
The compact 8-EMSOP package and low dropout voltage enable slim wearable designs that operate efficiently from a single Li-ion cell.
Industrial Control Interfaces
Stable 5V output at 300mA supports industrial sensor interfaces and communication transceivers, with wide-band PSRR up to 1MHz reducing EMI susceptibility.
Smart Home Hubs
This LDO provides a clean 5V rail for microcontrollers and wireless modules in smart home devices, ensuring reliable operation with minimal power waste.
Battery Backup Systems
Low quiescent current and high PSRR make it suitable for backup power rails that must remain stable during main power fluctuations.
- Q: What is the output voltage?
- A: The TPL803450Q provides a fixed 5V output.
- Q: What is the maximum output current?
- A: It can supply up to 300mA of output current.
- Q: What is the input voltage range?
- A: The recommended input voltage is 5V, with a maximum rating suitable for typical 5V rails.
- Q: What is the dropout voltage?
- A: Dropout is 0.72V at 200mA load, allowing operation with modest headroom.
- Q: What is the quiescent current?
- A: Quiescent current is only 5.5 μA, ideal for always-on applications.
- Q: What package is used?
- A: It comes in an 8-EMSOP package, compact for space-constrained designs.
- Q: What is the output voltage?
- A: The TPL803450Q provides a fixed 5V output.
- Q: What is the maximum output current?
- A: It can supply up to 300mA of output current.
- Q: What is the input voltage range?
- A: The recommended input voltage is 5V, with a maximum rating suitable for typical 5V rails.
- Q: What is the dropout voltage?
- A: Dropout is 0.72V at 200mA load, allowing operation with modest headroom.
- Q: What is the quiescent current?
- A: Quiescent current is only 5.5 μA, ideal for always-on applications.
- Q: What package is used?
- A: It comes in an 8-EMSOP package, compact for space-constrained designs.

TPL803450Q-EV1R-S.pdf