Overview
The LP3878SD-ADJ/NOPB is an 800-mA, adjustable output, voltage regulator designed and manufactured by Texas Instruments. This regulator is optimized for high performance and low noise, making it suitable for applications that require output voltages as low as 1 V. Utilizing an optimized VIP (Vertically Integrated PNP) process, the LP3878SD-ADJ/NOPB delivers superior performance characteristics, including low quiescent current, overtemperature and overcurrent protection, and a wide operating temperature range.
Key Specifications
| Specification | Value |
|---|---|
| Input Supply Voltage | 2.5 V to 16 V |
| Output Voltage Range | 1 V to 5.5 V |
| Output Current | 800 mA |
| Package Type | 8-Lead WSON (NGT) and 8-Lead SO PowerPAD |
| Operating Temperature Range | -40°C to 125°C |
| Quiescent Current in Shutdown | < 10 µA |
| Ground Pin Current at 800-mA Load | Typically 5.5 mA |
| Ground Pin Current at 100-µA Load | Typically 180 µA |
| Output Noise (typical) | 18 µV with a 10-nF bypass capacitor |
Key Features
- Adjustable output voltage from 1 V to 5.5 V
- Designed for use with low-ESR ceramic capacitors
- Very low output noise
- Low quiescent current in shutdown (< 10 µA)
- Low ground pin current at all loads
- Overtemperature and overcurrent protection
- Wide operating junction temperature range (-40°C to 125°C)
- Available in 8-Lead SO PowerPAD and WSON surface-mount packages
Applications
The LP3878SD-ADJ/NOPB is versatile and can be used in a variety of applications, including but not limited to:
- Power supply systems requiring adjustable output voltages
- Low-noise power regulation in audio and video equipment
- Industrial control systems
- Medical devices
- Automotive electronics
Q & A
- What is the output current capability of the LP3878SD-ADJ/NOPB?
The LP3878SD-ADJ/NOPB can provide up to 800 mA of output current. - What is the adjustable output voltage range of the LP3878SD-ADJ/NOPB?
The output voltage can be adjusted from 1 V to 5.5 V. - What is the input supply voltage range for the LP3878SD-ADJ/NOPB?
The input supply voltage range is from 2.5 V to 16 V. - What type of packages is the LP3878SD-ADJ/NOPB available in?
The regulator is available in 8-Lead SO PowerPAD and WSON surface-mount packages. - What is the typical quiescent current in shutdown mode?
The quiescent current in shutdown mode is less than 10 µA. - Does the LP3878SD-ADJ/NOPB have overtemperature and overcurrent protection?
Yes, it includes overtemperature and overcurrent protection features. - What is the operating temperature range of the LP3878SD-ADJ/NOPB?
The operating junction temperature range is from -40°C to 125°C. - How much noise does the LP3878SD-ADJ/NOPB typically produce at the output?
The broadband output noise is typically 18 µV with a 10-nF bypass capacitor. - Is the LP3878SD-ADJ/NOPB RoHS compliant?
Yes, the LP3878SD-ADJ/NOPB is RoHS compliant. - What type of capacitors is the LP3878SD-ADJ/NOPB designed to work with?
The regulator is designed for use with low-ESR ceramic capacitors.
