Datasheet Texas Instruments LP38851
| Manufacturer | Texas Instruments |
| Series | LP38851 |
800 mA Fast-Response High-Accuracy Adjustable LDO Linear Regulator with Enable and Soft-Start
Datasheets
800 mA Fast-Response High-Accuracy Adj LDO Linear Reg w/ Enable & Soft-Start datasheet
PDF, 1.9 Mb, Revision: C, File published: Apr 5, 2013
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Prices
Status
| LP38851MR-ADJ/NOPB | LP38851MRX-ADJ/NOPB | LP38851S-ADJ/NOPB | LP38851SX-ADJ/NOPB | LP38851T-ADJ/NOPB | |
|---|---|---|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | Yes | Yes | Yes | No | No |
Packaging
| LP38851MR-ADJ/NOPB | LP38851MRX-ADJ/NOPB | LP38851S-ADJ/NOPB | LP38851SX-ADJ/NOPB | LP38851T-ADJ/NOPB | |
|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 |
| Pin | 8 | 8 | 7 | 7 | 7 |
| Package Type | DDA | DDA | KTW | KTW | NDZ |
| Industry STD Term | HSOIC | HSOIC | TO-263 | TO-263 | TO-220 |
| JEDEC Code | R-PDSO-G | R-PDSO-G | R-PSFM-G | R-PSFM-G | R-MSFM-L |
| Package QTY | 95 | 2500 | 45 | 500 | 45 |
| Carrier | TUBE | LARGE T&R | TUBE | LARGE T&R | TUBE |
| Device Marking | L38851 | L38851 | -ADJ | -ADJ | -ADJ |
| Width (mm) | 3.9 | 3.9 | 8.89 | 8.89 | 10.16 |
| Length (mm) | 4.89 | 4.89 | 10.1 | 10.1 | 14.986 |
| Thickness (mm) | 1.48 | 1.48 | 4.44 | 4.44 | 4.572 |
| Pitch (mm) | 1.27 | 1.27 | 1.27 | 1.27 | 1.27 |
| Max Height (mm) | 1.7 | 1.7 | 4.65 | 4.65 | 4.7 |
| Mechanical Data | Download | Download | Download | Download | Download |
Parametrics
| Parameters / Models | LP38851MR-ADJ/NOPB | LP38851MRX-ADJ/NOPB | LP38851S-ADJ/NOPB | LP38851SX-ADJ/NOPB | LP38851T-ADJ/NOPB |
|---|---|---|---|---|---|
| Accuracy, % | 2 | 2 | 2 | 2 | 2 |
| Iout(Max), A | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
| Iq(Typ), mA | 10 | 10 | 10 | 10 | 10 |
| Noise, uVrms | 90 | 90 | 90 | 90 | 90 |
| Operating Temperature Range, C | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 |
| Output Capacitor Type | Ceramic | Ceramic | Ceramic | Ceramic | Ceramic |
| Output Options | Adjustable Output | Adjustable Output | Adjustable Output | Adjustable Output | Adjustable Output |
| PSRR @ 100KHz, dB | 50 | 50 | 50 | 50 | 50 |
| Package Group | SO PowerPAD | SO PowerPAD | DDPAK/TO-263 | DDPAK/TO-263 | TO-220 |
| Package Size: mm2:W x L, PKG | 8SO PowerPAD: 29 mm2: 6 x 4.9(SO PowerPAD) | 8SO PowerPAD: 29 mm2: 6 x 4.9(SO PowerPAD) | 7DDPAK/TO-263: 154 mm2: 15.24 x 10.1(DDPAK/TO-263) | 7DDPAK/TO-263: 154 mm2: 15.24 x 10.1(DDPAK/TO-263) | See datasheet (TO-220) |
| Rating | Catalog | Catalog | Catalog | Catalog | Catalog |
| Regulated Outputs | 1 | 1 | 1 | 1 | 1 |
| Special Features | Enable,Soft Start | Enable,Soft Start | Enable,Soft Start | Enable,Soft Start | Enable,Soft Start |
| Thermal Resistance ОёJA, В°C/W | 60 | 60 | 60 | 60 | 60 |
| Vdo(Typ), mV | 115 | 115 | 115 | 115 | 115 |
| Vin(Max), V | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| Vin(Min), V | 0.915 | 0.915 | 0.915 | 0.915 | 0.915 |
| Vout(Max), V | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 |
| Vout(Min), V | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
Eco Plan
| LP38851MR-ADJ/NOPB | LP38851MRX-ADJ/NOPB | LP38851S-ADJ/NOPB | LP38851SX-ADJ/NOPB | LP38851T-ADJ/NOPB | |
|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant |
| Pb Free | Yes | Yes |
Application Notes
- AN-1815 LDOs Ease the Stress of Start-Up (Rev. A)PDF, 81 Kb, Revision: A, File published: Apr 24, 2013
The LP38851/52/53 devices with soft-start provide a reliable way to ensure that start-up into highcapacitive loads is uneventful and stress free.
Model Line
Series: LP38851 (5)
Manufacturer's Classification
- Semiconductors> Power Management> Linear Regulator (LDO)> Single Channel LDO
