| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| VIPER27LN | STMicroelectronics | $0.2629 | Switching Controller, Current-mode, 0.74A, 60kHz Switching Freq-Max, PDIP7 | VIPER20A-E vs VIPER27LN |
| VIPER27LD | STMicroelectronics | $1.2899 | Switching Controller, Current-mode, 0.74A, 60kHz Switching Freq-Max, PDSO16 | VIPER20A-E vs VIPER27LD |
| VIPER20SP | STMicroelectronics | Check for Price | Switching Regulator, Current-mode, 0.9A, 200kHz Switching Freq-Max, MOS, PDSO10 | VIPER20A-E vs VIPER20SP |
| VIPER20 | STMicroelectronics | Check for Price | Switching Regulator, Current-mode, 0.9A, 200kHz Switching Freq-Max, MOS, PZFM5 | VIPER20A-E vs VIPER20 |
| VIPER20(022Y) | STMicroelectronics | Check for Price | Switching Regulator, Current-mode, 0.9A, 200kHz Switching Freq-Max, MOS, PZFM5 | VIPER20A-E vs VIPER20(022Y) |
| VIPER20DIP | STMicroelectronics | Check for Price | Switching Regulator, Current-mode, 0.9A, 200kHz Switching Freq-Max, MOS, PDIP8 | VIPER20A-E vs VIPER20DIP |
| VIPER27LDTR | STMicroelectronics | Check for Price | Switching Controller, Current-mode, 0.74A, 60kHz Switching Freq-Max, PDSO16 | VIPER20A-E vs VIPER27LDTR |
| VIPER20ASP-E13TR | STMicroelectronics | Check for Price | Switching Regulator, Current-mode, 0.9A, 200kHz Switching Freq-Max, PDSO10 | VIPER20A-E vs VIPER20ASP-E13TR |
Part Details for VIPER20A-E by STMicroelectronics
Results Overview of VIPER20A-E by STMicroelectronics
- Distributor Offerings: (2 listings)
- Number of FFF Equivalents: (0 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (8 options)
- CAD Models: (Available)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
VIPER20A-E Information
VIPER20A-E by STMicroelectronics is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.
A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.
Price & Stock for VIPER20A-E
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
497-6796-5-ND
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DigiKey | IC OFFLIN CONV FLBACK 5PENTAWATT Min Qty: 1000 Container: Tube |
0 Tube |
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$1.7181 | Buy Now |
|
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Vyrian | Switching Regulator, Current-mode, 0.9A, 200kHz Switching Freq-Max, MOS, PZFM5 | 8538 |
|
RFQ |
US Tariff Estimator: VIPER20A-E by STMicroelectronics
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
VIPER20A-E CAD Models
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VIPER20A-E Part Data Attributes
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VIPER20A-E
STMicroelectronics
Buy Now
Datasheet
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VIPER20A-E
STMicroelectronics
Switching Regulator, Current-mode, 0.9A, 200kHz Switching Freq-Max, MOS, PZFM5
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| 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 | |
| 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,.3,.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 |
Alternate Parts for VIPER20A-E
This table gives cross-reference parts and alternative options found for VIPER20A-E. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of VIPER20A-E, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
VIPER20A-E Frequently Asked Questions (FAQ)
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STMicroelectronics recommends a 4-layer PCB with a solid ground plane, and a separate layer for the high-voltage traces to minimize noise and EMI. A good layout should also ensure that the input and output capacitors are placed close to the IC.
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To ensure reliable start-up, make sure the input voltage is within the recommended range, and the input capacitor is properly sized. Also, ensure that the feedback network is properly designed to provide a stable output voltage.
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The maximum allowed voltage on the VCC pin is 28V, but it's recommended to keep it below 25V to ensure reliable operation and to prevent damage to the IC.
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Yes, the VIPER20A-E is rated for operation up to 150°C, but it's essential to ensure proper thermal management and heat sinking to prevent overheating and ensure reliable operation.
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To troubleshoot issues, start by checking the PCB layout, ensuring that the input and output capacitors are properly sized and placed. Also, verify that the feedback network is properly designed and that the input voltage is within the recommended range. If issues persist, consult the STMicroelectronics application notes and technical support resources.