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LM317MSTT3G
+NomenclatureIC REG LIN POS ADJ 500MA SOT223
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FabricantSemi - conducteurs
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Pièce fabricant #LM317MSTT3G
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Package SOT-223
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Spécifications
| Attribut | Valeur |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Active |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 40V |
| Voltage - Output (Min/Fixed) | 1.2V |
| Voltage - Output (Max) | 37V |
| Current - Output | 500mA |
| Current - Quiescent (Iq) | 10 mA |
| PSRR | 80dB ~ 65dB (120Hz) |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | 0°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Présentation
Description
This component features thermal overload protection, current limiting, and safe area compensation, making it robust and reliable under varying operational conditions. The LM317MSTT3G is housed in a compact SOT-223 package, which is suitable for space-constrained applications.
With a dropout voltage of approximately 2V, it is ideal for low-to-medium power applications where efficient heat management is crucial. It is widely used in power adapters, battery chargers, and embedded systems, where stable and adjustable output is necessary.
The device's ease of use, combined with its broad range of applications, makes it popular among hobbyists and professionals in the electronics industry. Its performance is regulated by external resistors that dictate the output voltage, providing flexibility and control.
Equivalent
1. LM317T
2. L78S05CV
3. UA78M33C
4. LT1086
5. L78L33ABUTR
These are linear voltage regulators that offer similar functionality and can be used in place of the LM317MSTT3G in various applications, but always check datasheets for compatibility.
Features
Pinout
1. Input (Vin): This pin receives the input voltage, which should be higher than the desired output voltage by a certain margin to ensure proper regulation.
2. Output (Vout): This pin delivers the regulated output voltage. The output voltage can be adjusted through external resistors connected to the adjust pin.
3. Adjust (Adj): This pin is used to set the output voltage by connecting it to a resistor divider network. The voltage at the output pin depends on the resistors connected to this pin.
The LM317MSTT3G can typically provide an output voltage range from 1.25 V to 37 V and can deliver a current of up to 0.5 A. It is useful in applications requiring adjustable and reliable voltage regulation.