LP38843S-1.2
IC REG LIN 1.2V 3A DDPAK/TO263-5Manufacturer: Texas Instruments
Categories: Linear, Low Drop Out (LDO) Regulators
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The Texas Instruments LP38843S-1-2 is a high-performance, low-dropout linear voltage regulator. This device provides a fixed 1.2V output with a maximum output current capability of 3A. Designed for demanding applications, it features robust protection circuitry including over-current, over-temperature, and short-circuit protection. The regulator exhibits excellent power supply rejection ratio (PSRR) performance, with values ranging from 80dB at 120Hz to 65dB at 1kHz, making it suitable for noise-sensitive circuits. The LP38843S-1-2 operates from an input voltage up to 5.5V and has a low quiescent current of 30 µA. Its low dropout voltage of 0.5V at 3A further enhances efficiency. The device is supplied in a TO-263 (DDPAK-5) surface-mount package, facilitating integration into compact designs. This component is commonly utilized in power management solutions for computing, automotive, and industrial sectors.
Additional Information
Series: -RoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | TO-263-6, D2PAK (5 Leads + Tab), TO-263BA |
| Output Type | Fixed |
| Mounting Type | Surface Mount |
| Current - Output | 3A |
| Operating Temperature | -40°C ~ 125°C |
| Output Configuration | Positive |
| Current - Quiescent (Iq) | 30 µA |
| Voltage - Input (Max) | 5.5V |
| Number of Regulators | 1 |
| Supplier Device Package | TO-263 (DDPAK-5) |
| Voltage - Output (Max) | - |
| Voltage - Output (Min/Fixed) | 1.2V |
| Control Features | Enable |
| PSRR | 80dB ~ 65dB (120Hz ~ 1kHz) |
| Voltage Dropout (Max) | 0.5V @ 3A |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Current - Supply (Max) | 40 mA |
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