ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR
Seated Height-Max:
1.8 mm
Surface Mount:
YES
Technology:
BIPOLAR
Terminal Finish:
Matte Tin (Sn) - annealed
Terminal Form:
GULL WING
Terminal Pitch:
2.3 mm
Terminal Position:
DUAL
Time@Peak Reflow Temperature-Max (s):
30
Width:
3.5 mm
LM217MS-TR Frequently Asked Questions (FAQs)
STMicroelectronics provides a recommended PCB layout in the application note AN1153, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure reliable operation.
To ensure stability, follow the recommended compensation network and component values provided in the datasheet. Additionally, ensure that the output capacitor has a low ESR and is properly decoupled from the input voltage. You can also use simulation tools like SPICE to verify the stability of your design.
While the datasheet specifies a maximum input voltage of 15V, the allowed input voltage ripple depends on the specific application and operating conditions. As a general rule, it's recommended to keep the input voltage ripple below 1V to ensure reliable operation and minimize the risk of oscillations or instability.
The LM217MS-TR is rated for operation up to 125°C, but the maximum junction temperature (Tj) should not exceed 150°C. Ensure that your design provides adequate heat sinking and thermal management to keep the junction temperature within the recommended range.
Use the equations provided in the datasheet to calculate the power dissipation (PD) based on the input voltage, output voltage, and output current. Then, use the thermal resistance (RthJA) and maximum junction temperature (Tj) to determine the required heat sink size and thermal management strategy.
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LM217MS-TR Overview
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About STMicroelectronics
STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components.
STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut
