Features
| | Ultra low dropout voltage |
| | Output voltage accuracy 0.75% (A Grade) |
| | Guaranteed 100 mA output current |
| | < 1 μA quiescent current when shutdown |
| | Low ground pin current at all load currents |
| | High peak current capability (300 mA typical) |
| | Wide supply voltage range (16V max) |
| | Fast dynamic response to line and load |
| | Low ZOUT over wide frequency range
|
| | Overtemperature/overcurrent protection |
| | −40°C to +125°C junction temperature range |
General Description
The LP2981 is a 100 mA, fixed-output voltage regulator designed specifically to meet the requirements of battery-powered applications.
Using an optimized VIP (Vertically Integrated PNP) process, the LP2981 delivers unequaled performance in all specifications critical to battery-powered
designs:
Dropout Voltage. More...
Applications
| | Cellular Phone |
| | Palmtop/Laptop Computer |
| | Personal Digital Assistant (PDA) |
| | Camcorder, Personal Stereo, Camera |
| |
Typical Application
click for larger image
| Parameters | Values |
| Output Current |
100 mA |
| Output Min |
3.6, 2.5, 3.3, 3, 5 Volt |
| Input Min Voltage |
3.5, 5.2, 2.7, 3.2, 3.8 Volt |
| Input Max Voltage |
16 Volt |
| Dropout Voltage |
0.2 Volt |
| Adjustable Output |
No |
| Quiescent Current |
0.065 mA |
| On/Off Pin |
Yes |
| Error Flag |
No |
| RegType |
LDO |
| Temperature Min |
-40 deg C |
| Temperature Max |
125 deg C |
| Output Voltage |
3.6, 2.5, 3.3, 3, 5 Volt |
| Output Max |
3.6, 2.5, 3.3, 3, 5 Volt |
Typical Performance
click for larger image
| |
Also Recommended
| LP38691▲ | Higher Load Capability & Lower Ground Current |
| LP38693▲ | Higher Load Capability & Lower Ground Current |
| LP3878-ADJ▲ | Improved Output Current |
| LP5900▲ | Improved Dropout Voltage, Ceramic Capacitors OK |
Additional Resources
Application Notes

Block Diagram
click for larger image
|