Texas Instruments LP5900SD-3.3/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.13 | $1.13 |
| 15+ | $1.09 | $16.35 |
| 25+ | $1.07 | $26.75 |
| 50+ | $1.01 | $50.50 |
| 100+ | $0.89 | $89.00 |
| N+ | $0.18 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 3.3V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.15V @ 150mA |
| Current - Output | 150mA |
| Current - Quiescent (Iq) | 50 µA |
| Current - Supply (Max) | 230 µA |
| PSRR | 85dB ~ 40dB (100Hz ~ 100kHz) |
| Control Features | Enable |
| Protection Features | Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 85°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 6-WDFN Exposed Pad |
| Supplier Device Package | 6-WSON (2.2x2.5) |
| ROHS |  |
The LP5900SD-3.3/NOPB is a fixed 3.3V ultra-low noise LDO from Texas Instruments, delivering up to 150mA. It features an exceptionally low dropout voltage of 0.15V at full load and a quiescent current of 50µA. With PSRR of 85dB at 100Hz and 40dB at 100kHz, it provides superior noise filtering for sensitive analog and RF circuits. The compact 6-WSON (2.2x2.5) package is perfect for space-constrained designs.
- Ultra-Low Dropout: 0.15V at 150mA maximizes efficiency in low-headroom battery applications.
- Superior Noise Rejection: 85dB PSRR at 100Hz ensures clean power for RF and audio circuits.
- Miniature Package: 6-WSON (2.2x2.5) saves critical board space in compact devices.
- Low Power Consumption: 50µA quiescent current extends battery life in portable applications.
RF and Wireless Transceivers
The LP5900SD-3.3's excellent PSRR (85dB at 100Hz, 40dB at 100kHz) makes it ideal for powering RF transceivers, GPS modules, and Wi-Fi chips where noise isolation is critical.
Audio Codecs and Amplifiers
Its low noise output ensures high-fidelity audio performance in smartphones, portable players, and hearing aids, providing clean 3.3V for audio processing.
Precision Analog Sensors
With ultra-low dropout (0.15V) and high PSRR, it powers precision sensors, strain gauges, and thermocouple interfaces in measurement systems.
Battery-Powered Medical Implants
The tiny 6-WSON package and low quiescent current (50µA) make it suitable for pacemakers, neurostimulators, and drug pumps requiring compact, efficient regulation.
Portable Instrumentation
Used in handheld multimeters, spectrum analyzers, and field test equipment, providing stable 3.3V with minimal power loss.
Low-Power Microcontrollers
Powers MCUs in smart sensors, wearables, and remote controls, ensuring reliable operation with minimal battery drain.
- Q: What is the output voltage?
- A: The fixed output voltage is 3.3V.
- Q: What is the maximum output current?
- A: It can deliver up to 150mA.
- Q: What is the input voltage range?
- A: The input voltage range is from 2.5V to 5.5V (for 3.3V output).
- Q: What is the dropout voltage?
- A: The dropout voltage is very low at 0.15V at 150mA load.
- Q: What is the quiescent current?
- A: The quiescent current is typically 50µA.
- Q: What package is available?
- A: It comes in a 6-WSON (2.2x2.5) package.
LP5900SD-3.3/NOPB.pdf
- Q: What is the output voltage?
- A: The fixed output voltage is 3.3V.
- Q: What is the maximum output current?
- A: It can deliver up to 150mA.
- Q: What is the input voltage range?
- A: The input voltage range is from 2.5V to 5.5V (for 3.3V output).
- Q: What is the dropout voltage?
- A: The dropout voltage is very low at 0.15V at 150mA load.
- Q: What is the quiescent current?
- A: The quiescent current is typically 50µA.
- Q: What package is available?
- A: It comes in a 6-WSON (2.2x2.5) package.
