Part Details for PT78HT205ST by Texas Instruments
Results Overview of PT78HT205ST 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)
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PT78HT205ST Information
PT78HT205ST 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 PT78HT205ST
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
PT78HT205ST-ND
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DigiKey | DC DC CONVERTER 5V Container: Tape & Reel |
0 Tape & Reel |
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Buy Now | |
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Vyrian | Switching Regulator, Voltage-mode, 2A, 800kHz Switching Freq-Max, Hybrid | 6728 |
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RFQ |
US Tariff Estimator: PT78HT205ST 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.
PT78HT205ST Part Data Attributes
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PT78HT205ST
Texas Instruments
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Datasheet
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PT78HT205ST
Texas Instruments
Switching Regulator, Voltage-mode, 2A, 800kHz 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, Smd-3 | |
| Pin Count | 3 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.60 | |
| Analog IC - Other Type | Switching Regulator | |
| Control Mode | Voltage-Mode | |
| Input Voltage-Max | 28 V | |
| Input Voltage-Min | 9 V | |
| Input Voltage-Nom | 12 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 | 800 Khz | |
| Technology | Hybrid | |
| Temperature Grade | Industrial | |
| Terminal Form | Gull Wing | |
| Terminal Pitch | 2.54 Mm | |
| Terminal Position | Single |
PT78HT205ST Frequently Asked Questions (FAQ)
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The recommended input capacitor value is 10uF to 22uF, with a voltage rating of at least 25V. This ensures stable operation and reduces noise.
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To ensure the PT78HT205ST operates within its thermal limits, provide adequate heat sinking, keep the ambient temperature below 70°C, and avoid exceeding the maximum junction temperature of 150°C.
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The minimum input voltage required for the PT78HT205ST to operate is 7.5V, although it's recommended to use an input voltage of at least 8V for optimal performance.
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Yes, the PT78HT205ST is suitable for high-reliability and automotive applications due to its high temperature rating, low dropout voltage, and high power density. However, ensure you follow the recommended design and layout guidelines to meet the specific application requirements.
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To reduce noise and ripple in the output voltage, use a low-ESR output capacitor (e.g., ceramic or film capacitor), add a noise-reducing capacitor (e.g., 10nF) between the output and ground, and ensure good PCB layout and grounding practices.