Datasheet Texas Instruments LP3981
| Manufacturer | Texas Instruments |
| Series | LP3981 |
Micropower, 300mA Ultra Low-Dropout CMOS Voltage Regulator
Datasheets
LP3981 Micropower, 300-mA Ultra-Low-Dropout CMOS Voltage Regulator datasheet
PDF, 1.2 Mb, Revision: H, File published: Jul 18, 2015
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Prices
Status
| LP3981ILD-2.5/NOPB | LP3981ILD-3.0/NOPB | LP3981ILD-3.3/NOPB | LP3981ILDX-2.5/NOPB | LP3981ILDX-2.7/NOPB | LP3981ILDX-2.8/NOPB | LP3981ILDX-2.83/NOPB | LP3981ILDX-3.03/NOPB | LP3981IMM-2.5 | LP3981IMM-2.5/NOPB | LP3981IMM-2.7/NOPB | LP3981IMM-2.8/NOPB | LP3981IMM-3.0/NOPB | LP3981IMM-3.03 | LP3981IMM-3.03/NOPB | LP3981IMM-3.3 | LP3981IMM-3.3/NOPB | LP3981IMMX-2.5/NOPB | LP3981IMMX-3.3/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) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | NRND (Not recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | NRND (Not recommended for new designs) | Active (Recommended for new designs) | NRND (Not recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | No | Yes | Yes | No | No | No | No | Yes | Yes | No | Yes | No | Yes | No | Yes | Yes | No | No | Yes |
Packaging
| LP3981ILD-2.5/NOPB | LP3981ILD-3.0/NOPB | LP3981ILD-3.3/NOPB | LP3981ILDX-2.5/NOPB | LP3981ILDX-2.7/NOPB | LP3981ILDX-2.8/NOPB | LP3981ILDX-2.83/NOPB | LP3981ILDX-3.03/NOPB | LP3981IMM-2.5 | LP3981IMM-2.5/NOPB | LP3981IMM-2.7/NOPB | LP3981IMM-2.8/NOPB | LP3981IMM-3.0/NOPB | LP3981IMM-3.03 | LP3981IMM-3.03/NOPB | LP3981IMM-3.3 | LP3981IMM-3.3/NOPB | LP3981IMMX-2.5/NOPB | LP3981IMMX-3.3/NOPB | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| Pin | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Package Type | NGC | NGC | NGC | NGC | NGC | NGC | NGC | NGC | DGK | DGK | DGK | DGK | DGK | DGK | DGK | DGK | DGK | DGK | DGK |
| Industry STD Term | WSON | WSON | WSON | WSON | WSON | WSON | WSON | WSON | VSSOP | VSSOP | VSSOP | VSSOP | VSSOP | VSSOP | VSSOP | VSSOP | VSSOP | VSSOP | VSSOP |
| JEDEC Code | R-PDSO-N | R-PDSO-N | R-PDSO-N | R-PDSO-N | R-PDSO-N | R-PDSO-N | R-PDSO-N | R-PDSO-N | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G |
| Package QTY | 1000 | 1000 | 1000 | 4500 | 4500 | 4500 | 4500 | 4500 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 3500 | 3500 |
| Carrier | SMALL T&R | SMALL T&R | SMALL T&R | LARGE T&R | LARGE T&R | LARGE T&R | LARGE T&R | LARGE T&R | SMALL T&R | SMALL T&R | SMALL T&R | SMALL T&R | SMALL T&R | SMALL T&R | SMALL T&R | SMALL T&R | SMALL T&R | LARGE T&R | LARGE T&R |
| Device Marking | LO1UB | L017B | LO1XB | LO1UB | LO1VB | L01ZB | LO1SB | LO1YB | LFKB | LFKB | LFLB | LFTB | LF3B | LFPB | LFPB | LFNB | LFNB | LFKB | LFNB |
| Width (mm) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Length (mm) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Thickness (mm) | .8 | .8 | .8 | .8 | .8 | .8 | .8 | .8 | .97 | .97 | .97 | .97 | .97 | .97 | .97 | .97 | .97 | .97 | .97 |
| Pitch (mm) | .5 | .5 | .5 | .5 | .5 | .5 | .5 | .5 | .65 | .65 | .65 | .65 | .65 | .65 | .65 | .65 | .65 | .65 | .65 |
| Max Height (mm) | .8 | .8 | .8 | .8 | .8 | .8 | .8 | .8 | 1.07 | 1.07 | 1.07 | 1.07 | 1.07 | 1.07 | 1.07 | 1.07 | 1.07 | 1.07 | 1.07 |
| Mechanical Data | Download | Download | Download | Download | Download | Download | Download | Download | Download | Download | Download | Download | Download | Download | Download | Download | Download | Download | Download |
Parametrics
| Parameters / Models | LP3981ILD-2.5/NOPB | LP3981ILD-3.0/NOPB | LP3981ILD-3.3/NOPB | LP3981ILDX-2.5/NOPB | LP3981ILDX-2.7/NOPB | LP3981ILDX-2.8/NOPB | LP3981ILDX-2.83/NOPB | LP3981ILDX-3.03/NOPB | LP3981IMM-2.5 | LP3981IMM-2.5/NOPB | LP3981IMM-2.7/NOPB | LP3981IMM-2.8/NOPB | LP3981IMM-3.0/NOPB | LP3981IMM-3.03 | LP3981IMM-3.03/NOPB | LP3981IMM-3.3 | LP3981IMM-3.3/NOPB | LP3981IMMX-2.5/NOPB | LP3981IMMX-3.3/NOPB |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Accuracy, % | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Fixed Output Options, V | 2.5,2.7,2.8,3,3.3 | 2.5,2.7,2.8,3,3.3 | 2.5,2.7,2.8,3,3.3 | 2.5,2.7,2.8,3,3.3 | 2.5,2.7,2.8,3,3.3 | 2.5,2.7,2.8,3,3.3 | 2.5,2.7,2.8,3,3.3 | 2.5,2.7,2.8,3,3.3 | 2.5,2.7,2.8,3,3.3 | 2.5,2.7,2.8,3,3.3 | 2.5,2.7,2.8,3,3.3 | 2.5,2.7,2.8,3,3.3 | 2.5,2.7,2.8,3,3.3 | 2.5,2.7,2.8,3,3.3 | 2.5,2.7,2.8,3,3.3 | 2.5,2.7,2.8,3,3.3 | 2.5,2.7,2.8,3,3.3 | 2.5,2.7,2.8,3,3.3 | 2.5,2.7,2.8,3,3.3 |
| Iout(Max), A | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
| Iq(Typ), mA | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 |
| Noise, uVrms | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 |
| Operating Temperature Range, C | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 |
| Output Capacitor Type | Ceramic | Ceramic | Ceramic | Ceramic | Ceramic | Ceramic | Ceramic | Ceramic | Ceramic | Ceramic | Ceramic | Ceramic | Ceramic | Ceramic | Ceramic | Ceramic | Ceramic | Ceramic | Ceramic |
| Output Options | Fixed Output | Fixed Output | Fixed Output | Fixed Output | Fixed Output | Fixed Output | Fixed Output | Fixed Output | Fixed Output | Fixed Output | Fixed Output | Fixed Output | Fixed Output | Fixed Output | Fixed Output | Fixed Output | Fixed Output | Fixed Output | Fixed Output |
| PSRR @ 100KHz, dB | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Package Group | WSON | WSON | WSON | WSON | WSON | WSON | WSON | WSON | VSSOP | VSSOP | VSSOP | VSSOP | VSSOP | VSSOP | VSSOP | VSSOP | VSSOP | VSSOP | VSSOP |
| Package Size: mm2:W x L, PKG | See datasheet (WSON) | See datasheet (WSON) | See datasheet (WSON) | See datasheet (WSON) | See datasheet (WSON) | See datasheet (WSON) | See datasheet (WSON) | See datasheet (WSON) | 8VSSOP: 15 mm2: 4.9 x 3(VSSOP) | 8VSSOP: 15 mm2: 4.9 x 3(VSSOP) | 8VSSOP: 15 mm2: 4.9 x 3(VSSOP) | 8VSSOP: 15 mm2: 4.9 x 3(VSSOP) | 8VSSOP: 15 mm2: 4.9 x 3(VSSOP) | 8VSSOP: 15 mm2: 4.9 x 3(VSSOP) | 8VSSOP: 15 mm2: 4.9 x 3(VSSOP) | 8VSSOP: 15 mm2: 4.9 x 3(VSSOP) | 8VSSOP: 15 mm2: 4.9 x 3(VSSOP) | 8VSSOP: 15 mm2: 4.9 x 3(VSSOP) | 8VSSOP: 15 mm2: 4.9 x 3(VSSOP) |
| Rating | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog |
| Regulated Outputs | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Special Features | Enable | Enable | Enable | Enable | Enable | Enable | Enable | Enable | Enable | Enable | Enable | Enable | Enable | Enable | Enable | Enable | Enable | Enable | Enable |
| Thermal Resistance ОёJA, В°C/W | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 |
| Vdo(Typ), mV | 132 | 132 | 132 | 132 | 132 | 132 | 132 | 132 | 132 | 132 | 132 | 132 | 132 | 132 | 132 | 132 | 132 | 132 | 132 |
| Vin(Max), V | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Vin(Min), V | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 |
| Vout(Max), V | 3.3 | 3.3 | 3.3 | 3.3 | 3.3 | 3.3 | 3.3 | 3.3 | 3.3 | 3.3 | 3.3 | 3.3 | 3.3 | 3.3 | 3.3 | 3.3 | 3.3 | 3.3 | 3.3 |
| Vout(Min), V | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 |
Eco Plan
| LP3981ILD-2.5/NOPB | LP3981ILD-3.0/NOPB | LP3981ILD-3.3/NOPB | LP3981ILDX-2.5/NOPB | LP3981ILDX-2.7/NOPB | LP3981ILDX-2.8/NOPB | LP3981ILDX-2.83/NOPB | LP3981ILDX-3.03/NOPB | LP3981IMM-2.5 | LP3981IMM-2.5/NOPB | LP3981IMM-2.7/NOPB | LP3981IMM-2.8/NOPB | LP3981IMM-3.0/NOPB | LP3981IMM-3.03 | LP3981IMM-3.03/NOPB | LP3981IMM-3.3 | LP3981IMM-3.3/NOPB | LP3981IMMX-2.5/NOPB | LP3981IMMX-3.3/NOPB | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | See ti.com | Compliant | Compliant | Compliant | Compliant | See ti.com | Compliant | See ti.com | Compliant | Compliant | Compliant |
Model Line
Series: LP3981 (19)
- LP3981ILD-2.5/NOPB LP3981ILD-3.0/NOPB LP3981ILD-3.3/NOPB LP3981ILDX-2.5/NOPB LP3981ILDX-2.7/NOPB LP3981ILDX-2.8/NOPB LP3981ILDX-2.83/NOPB LP3981ILDX-3.03/NOPB LP3981IMM-2.5 LP3981IMM-2.5/NOPB LP3981IMM-2.7/NOPB LP3981IMM-2.8/NOPB LP3981IMM-3.0/NOPB LP3981IMM-3.03 LP3981IMM-3.03/NOPB LP3981IMM-3.3 LP3981IMM-3.3/NOPB LP3981IMMX-2.5/NOPB LP3981IMMX-3.3/NOPB
Manufacturer's Classification
- Semiconductors> Power Management> Linear Regulator (LDO)> Single Channel LDO
