Part Details for 78ST205SC by Texas Instruments
Results Overview of 78ST205SC by Texas Instruments
- Distributor Offerings: (2 listings)
- Number of FFF Equivalents: (0 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (0 options)
- CAD Models: (Request Part)
- 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.
78ST205SC Information
78ST205SC by Texas Instruments 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 78ST205SC
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
78ST205SC-ND
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DigiKey | DC DC CONVERTER 5V Container: Tray |
0 Tray |
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Buy Now | |
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Vyrian | Switching Regulator, Voltage-mode, 2A, 1050kHz Switching Freq-Max, Hybrid | 8726 |
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RFQ |
US Tariff Estimator: 78ST205SC by Texas Instruments
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.
78ST205SC Part Data Attributes
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78ST205SC
Texas Instruments
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Datasheet
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Compare Parts:
78ST205SC
Texas Instruments
Switching Regulator, Voltage-mode, 2A, 1050kHz Switching Freq-Max, Hybrid, SMA3
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Part Package Code | MODULE | |
| Package Description | Rohs Compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.60 | |
| Analog IC - Other Type | Switching Regulator | |
| Control Mode | Voltage-Mode | |
| Input Voltage-Max | 20 V | |
| Input Voltage-Min | 8 V | |
| Input Voltage-Nom | 9 V | |
| JESD-30 Code | R-XSMA-G3 | |
| Number of Functions | 1 | |
| Number of Terminals | 3 | |
| Operating Temperature-Max | 85 °C | |
| Operating Temperature-Min | -40 °C | |
| Output Current-Max | 2 A | |
| Output Voltage-Max | 5.1 V | |
| Output Voltage-Min | 4.9 V | |
| Output Voltage-Nom | 5 V | |
| Package Body Material | Unspecified | |
| Package Code | SMA | |
| Package Equivalence Code | SMSIP3H,1.0 | |
| Package Shape | Rectangular | |
| Package Style | Microelectronic Assembly | |
| Qualification Status | Not Qualified | |
| Surface Mount | Yes | |
| Switcher Configuration | Buck | |
| Switching Frequency-Max | 1050 Khz | |
| Technology | Hybrid | |
| Temperature Grade | Industrial | |
| Terminal Form | Gull Wing | |
| Terminal Pitch | 2.54 Mm | |
| Terminal Position | Single |
78ST205SC Frequently Asked Questions (FAQ)
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Texas Instruments recommends a 2-layer PCB with a solid ground plane on the bottom layer and a thermal relief pattern on the top layer to minimize thermal resistance. A minimum of 2 oz copper thickness is recommended for the PCB.
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To ensure reliable operation at high temperatures, it's essential to follow proper thermal design and layout guidelines, including providing adequate heat sinking, using a thermally conductive material for the PCB, and keeping the device within its recommended operating temperature range.
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The maximum output current capability of the 78ST205SC is 2A, but it's recommended to derate the output current based on the ambient temperature and the device's thermal performance to ensure reliable operation.
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To protect the device from input voltage transients and surges, it's recommended to use a TVS (Transient Voltage Suppressor) diode or a voltage clamp circuit at the input, and to ensure that the input capacitor is rated for the maximum expected input voltage.
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The recommended input capacitor value is 10uF to 22uF, and it's recommended to use a low-ESR ceramic or film capacitor with a voltage rating of at least 25V to ensure stable operation and minimize input voltage ripple.