Datasheet Texas Instruments LP2985A-18
| Manufacturer | Texas Instruments |
| Series | LP2985A-18 |
Single Output LDO, 150mA, Fixed(1.8V), 1.0% Tolerance, Low Quiescent Current, Low Noise
Datasheets
Status
| LP2985A-18DBVRE4 | LP2985A-18DBVTE4 | |
|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | No | No |
Packaging
| LP2985A-18DBVRE4 | LP2985A-18DBVTE4 | |
|---|---|---|
| N | 1 | 2 |
| Pin | 5 | 5 |
| Package Type | DBV | DBV |
| Industry STD Term | SOT-23 | SOT-23 |
| JEDEC Code | R-PDSO-G | R-PDSO-G |
| Width (mm) | 1.6 | 1.6 |
| Length (mm) | 2.9 | 2.9 |
| Thickness (mm) | 1.2 | 1.2 |
| Pitch (mm) | .95 | .95 |
| Max Height (mm) | 1.45 | 1.45 |
| Mechanical Data | Download | Download |
Parametrics
| Parameters / Models | LP2985A-18DBVRE4 | LP2985A-18DBVTE4 |
|---|---|---|
| Accuracy(%) | 2.5 | 2.5 |
| Approx. Price (US$) | 0.22 | 1ku | 0.22 | 1ku |
| Fixed Output Options(V) | 1.8 | 1.8 |
| Iout(Max)(A) | 0.15 | 0.15 |
| Iq(Typ)(mA) | 0.85 | 0.85 |
| Noise(uVrms) | 30 | 30 |
| Operating Temperature Range(C) | -40 to 125 | -40 to 125 |
| Output Capacitor Type | Ceramic Non-Ceramic | Ceramic Non-Ceramic |
| Output Options | Fixed Output | Fixed Output |
| PSRR @ 100KHz(dB) | 30 | 30 |
| Package Group | SOT-23 | SOT-23 |
| Package Size: mm2:W x L (PKG) | 5SOT-23: 8 mm2: 2.8 x 2.9(SOT-23) | 5SOT-23: 8 mm2: 2.8 x 2.9(SOT-23) |
| Rating | Catalog | Catalog |
| Regulated Outputs(#) | 1 | 1 |
| Special Features | Enable | Enable |
| Thermal Resistance ОёJA(В°C/W) | 206 | 206 |
| Vdo(Typ)(mV) | 280 | 280 |
| Vin(Max)(V) | 16 | 16 |
| Vin(Min)(V) | 2.2 | 2.2 |
| Vout(Max)(V) | 1.8 | 1.8 |
| Vout(Min)(V) | 1.8 | 1.8 |
Eco Plan
| LP2985A-18DBVRE4 | LP2985A-18DBVTE4 | |
|---|---|---|
| RoHS | Not Compliant | Not Compliant |
| Pb Free | No | No |
Application Notes
- LDO PSRR Measurement Simplified (Rev. A)PDF, 131 Kb, Revision: A, File published: Aug 9, 2017
This applicationreportexplainsdifferentmethodsof measuringthe PowerSupplyRejectionRatio(PSRR)of a Low-Dropout(LDO)regulatorand includesthe prosand consof thesemeasuringmethods - LDO Noise Demystified (Rev. A)PDF, 785 Kb, Revision: A, File published: Aug 9, 2017
Thisapplicationreportexplainsthe differencebetweennoiseand PSRRof an LDO.It also explainsthedifferentwaysnoiseis specifiedin LDOdatasheetsandwhichspecificationshouldbe usedin theapplication.Finallyit explainshow LDOnoiseis reduced.
Model Line
Series: LP2985A-18 (2)
Manufacturer's Classification
- Semiconductors> Power Management> Linear Regulator (LDO)> Single Channel LDO