VIPER20A-22-E footprint, schematic symbol and 3D model by STMicroelectronics

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PCB Footprints

VIPER20A-22-E - STMicroelectronics PCB footprint - Other - Other - PENTAWATT HV (022Y)_2026-1

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Datasheet Download Datasheet
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Part Number VIPER20A-22-E
Manufacturer STMicroelectronics
Pin Count 5
Part Category Integrated Circuit
Package Category Other
Footprint Name Other - PENTAWATT HV (022Y)_2026-1
Released Date Apr 17, 2026
Last Modified Date Apr 17, 2026 8:54 AM UTC
Pinout / Pin List Click Here (Member Only)

VIPER20A-22-E Details

Manufacturer Part Number:
VIPER20A-22-E
Brand Name:
STMicroelectronics
Rohs Code:
Yes
Part Life Cycle Code:
Obsolete
Part Package Code:
ZFM
Package Description:
LEAD FREE, PENTAWATT HV-5
Pin Count:
5
ECCN Code:
EAR99
HTS Code:
8542.39.00.60
Manufacturer:
STMicroelectronics
YTEOL:
0
Analog IC - Other Type:
SWITCHING REGULATOR
Control Mode:
CURRENT-MODE
Control Technique:
PULSE WIDTH MODULATION
Input Voltage-Max:
15 V
Input Voltage-Min:
9 V
Input Voltage-Nom:
13 V
JESD-30 Code:
R-PZFM-T5
JESD-609 Code:
e3
Number of Functions:
1
Number of Terminals:
5
Output Current-Max:
0.9 A
Package Body Material:
PLASTIC/EPOXY
Package Code:
ZIP
Package Equivalence Code:
ZIP5,.1,.12,100TB
Package Shape:
RECTANGULAR
Package Style:
FLANGE MOUNT
Qualification Status:
Not Qualified
Supply Current-Max (Isup):
16 mA
Surface Mount:
NO
Switcher Configuration:
SINGLE
Switching Frequency-Max:
200 kHz
Technology:
MOS
Terminal Finish:
MATTE TIN
Terminal Form:
THROUGH-HOLE
Terminal Pitch:
2.54 mm
Terminal Position:
ZIG-ZAG

VIPER20A-22-E Frequently Asked Questions (FAQs)

A good PCB layout for VIPER20A-22-E involves keeping the high-frequency switching nodes (e.g., drain-source voltage) as short as possible, using a solid ground plane, and minimizing the loop area of the power stage. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
To ensure reliable start-up, ensure that the input voltage (VIN) is within the recommended range (7-22V), and the output voltage (VOUT) is set to a value that allows the IC to start up successfully. Also, ensure that the input capacitor (CIN) is properly sized to handle the inrush current.
The maximum ambient temperature that VIPER20A-22-E can operate in is 85°C. However, the IC's performance and reliability may degrade at higher temperatures. It's recommended to keep the ambient temperature below 70°C for optimal performance.
Yes, VIPER20A-22-E is designed to meet the electromagnetic compatibility (EMC) requirements of various standards, including EN55022 and CISPR22. However, the PCB layout, component selection, and shielding must be carefully designed to minimize electromagnetic interference (EMI).
To troubleshoot issues with VIPER20A-22-E, start by checking the PCB layout, component values, and soldering quality. Use an oscilloscope to measure the voltage and current waveforms, and check for signs of oscillation or instability. Consult the datasheet and application notes for guidance on troubleshooting and debugging.

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VIPER20A-22-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

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