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The LM350T is a 3-terminal adjustable linear voltage regulator commonly used when a circuit needs a stable DC output with more current than smaller regulators can provide. This guide explains the LM350T pinout, working principle, output-voltage formula, typical application circuits, important operating conditions, and key differences compared with similar adjustable regulators.
The LM317T
| LM350T | LM338 | ||
| Regulator Type | Adjustable positive linear regulator | Adjustable positive linear regulator | Adjustable positive linear regulator |
| Maximum Output Current | 1.5 A | 3 A | 5 A |
| Minimum Output Voltage | 1.25 V | About 1.2–1.25 V | About 1.24 V |
| Typical Maximum Output Range | Up to 37 V | Up to about 33 V | Up to about 32 V |
| Maximum Input Voltage / Differential | About 40 V class | 35 V class | 40 V class |
| Typical Dropout Voltage | About 2–3 V | About 2.3 V | About 2.7 V |
| Number of Pins | 3 | 3 | 3 |
| Output Adjustment | 2 external resistors | 2 external resistors | 2 external resistors |
| Current Limiting | Yes | Yes | Yes |
| Thermal Protection | Yes | Yes | Yes |
| Short-Circuit Protection | Yes | Yes | Yes |
| Typical Use | Lower-current adjustable supplies | Medium/high-current adjustable supplies | Higher-current adjustable supplies |
| Relative Heat-Sink Requirement | Lower | Medium to high | High |
Texas Instruments (TI) has extensive semiconductor manufacturing, testing, and quality-control capabilities that support the production of devices such as the LM350T adjustable voltage regulator. TI manufactures analog and power-management semiconductors using established wafer-fabrication processes, followed by assembly, electrical testing, and reliability screening to help ensure consistent device performance. For the LM350T, these capabilities are important for maintaining key characteristics such as output-current capability, voltage regulation, thermal protection, and current limiting.
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FPGA / CPLD
Memory
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OCEP
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