LM2991T
IC REG LIN NEG ADJ 1A TO220-5
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Pmic Voltage Regulators Linear
TO-220-5
Not For New Designs
$5.34 / 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 | LM2991T |
| Package / Case | TO-220-5 |
| Mounting Type | Through Hole |
| Operating Temperature | -40°C ~ 125°C |
| Voltage - Input (Max) | -26V |
| Voltage - Output | -3V |
| Current - Output | 1A |
| Supplier Device Package | TO-220-5 |
| RoHS | RoHS |
| Part Status | Not For New Designs |
Application & Notes
LM2991T 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 -26V, output -3V. The TO-220-5 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 | 60dB (1kHz) |
| Output Type | Adjustable |
| Control Features | Enable |
| Current - Output | 1A |
| Protection Features | Over Temperature, Short Circuit |
| Number of Regulators | 1 |
| Output Configuration | Negative |
| Voltage - Input (Max) | -26V |
| Voltage Dropout (Max) | 1V @ 1A |
| Current - Supply (Max) | 5 mA |
| Voltage - Output (Max) | -24V |
| Current - Quiescent (Iq) | 0.7 mA |
| Voltage - Output (Min/Fixed) | -3V |
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