LP3991TL-1.7/NOPB
IC REG LINEAR 1.7V 300MA 4DSBGA
Pmic Voltage Regulators Linear
4-WFBGA, DSBGA
Active
$0.87 / unit (market reference)
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Texas Instruments |
| Model | LP3991TL-1.7/NOPB |
| Package / Case | 4-WFBGA, DSBGA |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Voltage - Input (Max) | 4V |
| Voltage - Output | 1.7V |
| Current - Output | 300mA |
| Supplier Device Package | 4-DSBGA (1x1) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
LP3991TL-1.7/NOPB by Texas Instruments is a power conversion IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 4V, output 1.7V. The 4-WFBGA, DSBGA package with surface mount mounting is standard for compact designs. Pay attention to input/output capacitor selection and PCB layout — switching regulators are sensitive to trace inductance.
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All Technical Specifications
| PSRR | 65dB (1kHz) |
| Output Type | Fixed |
| Control Features | Enable |
| Current - Output | 300mA |
| Protection Features | Over Temperature, Short Circuit |
| Number of Regulators | 1 |
| Output Configuration | Positive |
| Voltage - Input (Max) | 4V |
| Voltage Dropout (Max) | 0.16V @ 300mA |
| Current - Supply (Max) | 225 µA |
| Current - Quiescent (Iq) | 100 µA |
| Voltage - Output (Min/Fixed) | 1.7V |
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