| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| TL494CNSR | Texas Instruments | $0.4046 | Switching Controller, Voltage-mode, 0.25A, 300kHz Switching Freq-Max, BIPolar, PDSO16 | TL494CNS vs TL494CNSR |
| TL494CNSE4 | Texas Instruments | Check for Price | Switching Controller, Voltage-mode, 0.25A, 300kHz Switching Freq-Max, BIPolar, PDSO16 | TL494CNS vs TL494CNSE4 |
| TL494CNSRG4 | Texas Instruments | Check for Price | Switching Controller, Voltage-mode, 0.25A, 300kHz Switching Freq-Max, BIPolar, PDSO16 | TL494CNS vs TL494CNSRG4 |
Part Details for TL494CNS by Texas Instruments
Results Overview of TL494CNS by Texas Instruments
- Distributor Offerings: (2 listings)
- Number of FFF Equivalents: (3 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (10 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.
TL494CNS Information
TL494CNS 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 TL494CNS
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
296-53370-ND
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DigiKey | PWR MGMT VOLTAGE REFERENCE Min Qty: 1 Container: Tube |
3717 Tube |
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$0.6453 / $1.3200 | Buy Now |
|
|
Chip Stock | Switching Controller, Voltage-mode, 0.25A, 300kHz Switching Freq-Max, BIPolar, PDSO16 | 15554 |
|
RFQ |
US Tariff Estimator: TL494CNS 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.
TL494CNS CAD Models
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TL494CNS Part Data Attributes
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TL494CNS
Texas Instruments
Buy Now
Datasheet
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TL494CNS
Texas Instruments
Switching Controller, Voltage-mode, 0.25A, 300kHz Switching Freq-Max, BIPolar, PDSO16
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Part Package Code | SOIC | |
| Package Description | Green, Plastic, Sop-16 | |
| Pin Count | 16 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.60 | |
| Analog IC - Other Type | Switching Controller | |
| Control Mode | Voltage-Mode | |
| Control Technique | Pulse Width Modulation | |
| Input Voltage-Max | 40 V | |
| Input Voltage-Min | 7 V | |
| Input Voltage-Nom | 15 V | |
| JESD-30 Code | R-PDSO-G16 | |
| JESD-609 Code | e4 | |
| Length | 10.2 Mm | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 1 | |
| Number of Terminals | 16 | |
| Operating Temperature-Max | 70 °C | |
| Operating Temperature-Min | ||
| Output Current-Max | 0.25 A | |
| Output Voltage-Nom | 5 V | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | SOP | |
| Package Equivalence Code | SOP16,.3 | |
| Package Shape | Rectangular | |
| Package Style | Small Outline | |
| Peak Reflow Temperature (Cel) | 260 | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 2 Mm | |
| Surface Mount | Yes | |
| Switcher Configuration | Push-Pull | |
| Switching Frequency-Max | 300 Khz | |
| Technology | Bipolar | |
| Temperature Grade | Commercial | |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | |
| Terminal Form | Gull Wing | |
| Terminal Pitch | 1.27 Mm | |
| Terminal Position | Dual | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Width | 5.3 Mm |
Alternate Parts for TL494CNS
This table gives cross-reference parts and alternative options found for TL494CNS. 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 TL494CNS, 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.
TL494CNS Frequently Asked Questions (FAQ)
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The TL494CNS can handle input voltages up to 40V, but it's recommended to keep it below 35V for reliable operation.
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Choose an inductor with a high saturation current rating, low DC resistance, and a suitable inductance value based on the switching frequency and output voltage requirements.
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The DTC pin allows for adjustable dead time between the high-side and low-side switches, which helps reduce cross-conduction and improve efficiency.
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Connect the external clock signal to the RT pin, and ensure the clock frequency is within the recommended range of 100 kHz to 500 kHz.
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The TL494CNS can operate up to 500 kHz, but it's recommended to keep the switching frequency below 300 kHz for optimal performance and efficiency.