Features: Ultra low dropout voltage
Guaranteed 500 mA continuous output current
Very low output noise with external capacitor
SO-8, Mini SO-8, 8 Lead LLP surface mount packages
<0.8 µA quiescent current when shutdown
Low ground pin current at all loads
0.75% output voltage accuracy ("A" grade)
High peak current capability (800 mA typical)
Wide supply voltage range (16V max)
Overtemperature/overcurrent protection
−40˚C to +125˚C junction temperature rangeApplicationNotebook/Desktop PC
PDA/Palmtop Computer
Wireless Communication Terminals
SMPS Post-RegulatorSpecifications
| Output Current |
500 mA |
| Output Min |
2.85, 3.6, 2.5, 3.3, 3, 2.8, 4, 5 Volt |
| Input Min Voltage |
5.31, 3.11, 3.61, 2.81 Volt |
| Input Max Voltage |
16 Volt |
| Dropout Voltage |
0.31 Volt |
| Adjustable Output |
No |
| Quiescent Current |
0.11 mA |
| On/Off Pin |
Yes |
| Error Flag |
Yes |
| RegType |
LDO |
| Temperature Min |
-40 deg C |
| Temperature Max |
125 deg C |
| Output Voltage |
2.85, 3.6, 2.5, 3.3, 3, 2.8, 4, 5 Volt |
| Output Max |
2.85, 3.6, 2.5, 3.3, 3, 2.8, 4, 5 Volt |
| View Using Catalog |
DescriptionThe LP2989 is a fixed-output 500 mA precision LDO regulator designed for use with ceramic output capacitors.
Output noise can be reduced to 18µV (typical) by connecting an external 10 nF capacitor to the bypass pin.
Using an optimized VIP™ (Vertically Integrated PNP) process, the LP2989 delivers superior performance:
Dropout Voltage: Typically 310 mV @ 500 mA load, and 1 mV @ 100 µA load.
Ground Pin Current: Typically 3 mA @ 500 mA load, and 110 µA @ 100 µA load.
Sleep Mode: The LP2989 draws less than 0.8 µA quiescent current when shutdown pin is pulled low.
Error Flag: The built-in error flag goes low when the output drops approximately 5% below nominal.
Precision Output: Guaranteed output voltage accuracy is 0.75% ("A" grade) and 1.25% (standard grade) at room temperature.
For output voltages < 2V, see LP2989LV datasheet.
Reliability Metrics
| Part Number |
Process |
EFR Reject |
EFR Sample Size |
PPM |
LTA Rejects |
LTA Device Hours |
FITS |
MTTF (Hours) |
| LP2989AILD-2.5 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989AILD-2.8 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989AILD-3.0 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989AILD-3.3 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989AILD-5.0 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989AILDX-2.8 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989AILDX-3.0 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989AILDX-3.3 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989AILDX-5.0 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989AIM-2.5 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989AIM-3.0 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989AIM-3.3 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989AIM-5.0 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989AIMM-2.5 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989AIMM-2.8 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989AIMM-3.0 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989AIMM-3.3 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989AIMM-5.0 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989AIMMX-2.5 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989AIMMX-3.0 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989AIMMX-3.3 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989AIMMX-5.0 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989AIMX-2.5 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989AIMX-3.0 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989AIMX-3.3 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989AIMX-5.0 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989ILD-2.5 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989ILD-2.8 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989ILD-3.0 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989ILD-3.3 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989ILD-5.0 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989ILDX-2.5 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989ILDX-2.8 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989ILDX-3.0 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989ILDX-3.3 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989ILDX-5.0 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989IM-2.5 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989IM-3.0 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989IM-3.3 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989IM-5.0 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989IMM-2.5 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989IMM-2.8 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989IMM-3.0 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989IMM-3.3 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989IMM-5.0 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989IMMX-2.5 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989IMMX-2.8 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989IMMX-3.0 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989IMMX-3.3 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989IMMX-5.0 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989IMX-2.5 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989IMX-3.0 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989IMX-3.3 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
| LP2989IMX-5.0 |
VIP1+ |
0 |
21850 |
0 |
0 |
2515000 |
2 |
713638117 |
Note: The Early Failure Rates (EFR) were calculated as point estimate PPM based on rejects and sample size for EFR. The Long Term Failure Rates were calculated at 60% confidence using the Arrhenius equation at 0.7eV activation energy and derating the assumed stress temperature of 150°C to an application temperature of 55°C.For more information on Reliability Metrics, please click here.
Reference Designs
| • |
RD-143 - Lowest Power 8-bit 3 GSPS Data Acquisition System |
Application Notes
| Title |
Size in Kbytes |
Date |
|
| AN-1148: Application Note 1148 Linear Regulators: Theory Of Operation and Compensation |
200 Kbytes |
10-May-04 |
Download |
AN-1148 (Japanese): Application Note 1148 Linear Regulators: Theory Of Operation and Compensation
640){this.height=this.height*640/this.width;this.width=640;}' border="0" alt=" Connection Diagram"> |
216 Kbytes |
|
|
AN-1148 (Chinese): Application Note 1148 Linear Regulators: Theory Of Operation and Compensation
|
396 Kbytes |
|
640){this.height=this.height*640/this.width;this.width=640;}' border="0" alt=" Connection Diagram"> |
If you have trouble printing or viewing PDF file(s), see Printing Problems.
|
More Application Notes
| Title |
Size in Kbytes |
Date |
|
| AN-1172: Application Note 1172 LP2980, LP2981, LP2982, LP2985 Micro SMD Demo Boards |
206 Kbytes |
2-May-04 |
Download |
| AN-1840: Application Note 1840 USB I 2 C Interface Board Reference Manual |
2769 Kbytes |
30-Apr-08 |
Download |
| AN-1482: Application Note 1482 LDO Regulator Stability Using Ceramic Output Capacitors |
497 Kbytes |
24-May-06 |
Download |
AN-1482 (Japanese): Application Note 1482 LDO Regulator Stability Using Ceramic Output Capacitors
640){this.height=this.height*640/this.width;this.width=640;}' border="0" alt=" Connection Diagram"> |
159 Kbytes |
|
|
AN-1482 (Chinese): Application Note 1482 LDO Regulator Stability Using Ceramic Output Capacitors
|
330 Kbytes |
|
640){this.height=this.height*640/this.width;this.width=640;}' border="0" alt=" Connection Diagram"> |
If you have trouble printing or viewing PDF file(s), see Printing Problems.
|
LP2989 Data Sheet
