- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for VIPER20ASPTR-E
- Part Number VIPER20ASPTR-E
- Manufacturer STMicroelectronics
- Pin Count 11
- Part Category Integrated Circuit
- Package Category Small Outline Packages
- Footprint Name Small Outline Packages - PowerSO-10
- Released Date Apr 16, 2026
- Last Modified Date Jun 18, 2026 11:01 AM UTC
- Pinout / Pin List Click Here (Member Only)
VIPER20ASPTR-E Details
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Manufacturer Part Number:
VIPER20ASPTR-E
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Brand Name:
STMicroelectronics
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Rohs Code:
Yes
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Part Life Cycle Code:
Obsolete
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Package Description:
POWER, SO-10
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ECCN Code:
EAR99
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HTS Code:
8542.39.00.60
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Manufacturer:
STMicroelectronics
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YTEOL:
0
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Analog IC - Other Type:
SWITCHING REGULATOR
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Control Mode:
CURRENT-MODE
VIPER20ASPTR-E Frequently Asked Questions (FAQs)
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STMicroelectronics recommends a 4-layer PCB with a solid ground plane, and a separate layer for the high-voltage traces. The datasheet provides a recommended PCB layout, but it's essential to follow good PCB design practices to minimize noise and ensure reliable operation.
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The VIPER20ASPTR-E has a built-in thermal pad, and it's essential to ensure good thermal conductivity between the device and the PCB. Use a thermal interface material (TIM) and a heat sink if necessary. The datasheet provides thermal resistance values to help with thermal design.
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STMicroelectronics recommends using X7R or X5R ceramic capacitors with a voltage rating of at least 1.5 times the maximum input voltage. The datasheet provides guidance on capacitor selection, but it's essential to consider the specific application requirements and PCB layout.
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The VIPER20ASPTR-E has built-in overcurrent protection, but it's still essential to add external protection components such as varistors or transient voltage suppressors (TVS) to protect against overvoltage. Additionally, consider adding a fuse or a current limiter to prevent overcurrent conditions.
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The datasheet provides a recommended startup sequence, which involves gradually ramping up the input voltage to ensure proper startup. It's essential to follow this sequence to prevent damage to the device or other components in the system.
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VIPER20ASPTR-E 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