Texas Instruments LP3996QSDX-1833/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.24 | $2.24 |
| 15+ | $0.52 | $7.80 |
| 25+ | $0.50 | $12.50 |
| 50+ | $0.48 | $24.00 |
| 100+ | $0.42 | $42.00 |
| N+ | $0.08 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Bulk | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 2 |
| Voltage - Input (Max) | 6V |
| Voltage - Output (Min/Fixed) | 1.8V, 3.3V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.22V @ 150mA, 0.55V @ 150mA |
| Current - Output | 150mA, 300mA |
| Current - Quiescent (Iq) | 100 µA |
| Current - Supply (Max) | 170 µA |
| PSRR | 58dB ~ 45dB, 70dB ~ 60dB (1kHz ~ 20kHz) |
| Control Features | Enable |
| Protection Features | Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 85°C |
| Grade | Automotive |
| Qualification | AEC-Q100 |
| Mounting Type | Surface Mount |
| Package / Case | 10-WFDFN Exposed Pad |
| Supplier Device Package | 10-WSON (3x3) |
| ROHS |
The LP3996QSDX-1833/NOPB from Texas Instruments is a dual-output LDO regulator delivering 1.8V and 3.3V with 150mA and 300mA current capability. Its 100µA quiescent current and 0.22V dropout at 150mA make it ideal for battery-powered devices. The 10-WSON (3x3) package offers a compact solution, while PSRR up to 70dB ensures clean power for sensitive applications.
- Dual-Voltage Output: 1.8V and 3.3V rails for mixed-logic systems.
- High PSRR: 70dB on channel 2 for noise-sensitive analog circuits.
- Low Quiescent Current: 100µA extends battery life.
- Compact Package: 10-WSON (3x3) saves PCB space.
- High Current Capacity: 300mA on second channel for power-hungry loads.
Mixed-Voltage Digital Systems
The 1.8V rail powers low-voltage MCUs, while 3.3V supports peripherals, with 100µA quiescent current for efficient operation.
Battery-Powered Instruments
Low dropout of 0.22V at 150mA maintains stable 1.8V for precision analog circuits in portable multimeters.
Wireless Connectivity Modules
With 58dB PSRR at 1kHz, the regulator filters noise from Wi-Fi and Bluetooth transceivers, improving signal quality.
Industrial Sensor Interfaces
Dual 1.8V/3.3V outputs power sensors and ADCs, with 70dB PSRR on channel 2 for clean analog reference.
Automotive Infotainment
Stable 3.3V rail supports display drivers, while 1.8V powers logic, with 0.55V dropout at 150mA for reliable operation.
Portable Medical Devices
The 10-WSON package and 100µA quiescent current make it suitable for hearing aids and glucose monitors.
- Q: What are the output voltages of the LP3996QSDX-1833/NOPB?
- A: This dual LDO provides 1.8V and 3.3V outputs.
- Q: What is the maximum current per channel?
- A: Channel 1 supports 150mA, and channel 2 supports 300mA.
- Q: What is the input voltage range?
- A: The input voltage range is 1.8V to 3.3V, suitable for standard logic supplies.
- Q: What is the dropout voltage?
- A: Dropout is 0.22V at 150mA for channel 1 and 0.55V at 150mA for channel 2.
- Q: What is the quiescent current?
- A: Quiescent current is 100µA, ideal for battery-powered applications.
- Q: What package is available?
- A: The device comes in a 10-WSON (3x3) package.
- Q: What are the output voltages of the LP3996QSDX-1833/NOPB?
- A: This dual LDO provides 1.8V and 3.3V outputs.
- Q: What is the maximum current per channel?
- A: Channel 1 supports 150mA, and channel 2 supports 300mA.
- Q: What is the input voltage range?
- A: The input voltage range is 1.8V to 3.3V, suitable for standard logic supplies.
- Q: What is the dropout voltage?
- A: Dropout is 0.22V at 150mA for channel 1 and 0.55V at 150mA for channel 2.
- Q: What is the quiescent current?
- A: Quiescent current is 100µA, ideal for battery-powered applications.
- Q: What package is available?
- A: The device comes in a 10-WSON (3x3) package.

LP3996QSDX-1833/NOPB.pdf