| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| NCV494BDR2G | onsemi | $0.8248 | Switching Controller, Voltage-mode, 0.5A, 200kHz Switching Freq-Max, BIPolar, PDSO16 | TL494CDG4 vs NCV494BDR2G |
| NCV494BDR2 | onsemi | Check for Price | Switching Controller, Voltage-mode, 0.5A, 200kHz Switching Freq-Max, BIPolar, PDSO16 | TL494CDG4 vs NCV494BDR2 |
| NCV494BDR2 | Rochester Electronics LLC | Check for Price | Switching Controller, Voltage-mode, 0.5A, 200kHz Switching Freq-Max, PDSO16 | TL494CDG4 vs NCV494BDR2 |
| TL494CD | Texas Instruments | Check for Price | Switching Controller, Voltage-mode, 0.25A, 300kHz Switching Freq-Max, BIPolar, PDSO16 | TL494CDG4 vs TL494CD |
| TL494CDR2 | Motorola Semiconductor Products | Check for Price | Switching Controller, Voltage-mode, 0.5A, 200kHz Switching Freq-Max, BIPolar, PDSO16 | TL494CDG4 vs TL494CDR2 |
| KA7500CDTF | Rochester Electronics LLC | Check for Price | 0.25 A SWITCHING CONTROLLER, 300 kHz SWITCHING FREQ-MAX, PDSO16, ROHS COMPLIANT, MS-012, SOP-16 | TL494CDG4 vs KA7500CDTF |
| KA7500CD | Fairchild Semiconductor Corporation | Check for Price | Switching Controller, Voltage-mode, 0.25A, 300kHz Switching Freq-Max, BIPolar, PDSO16 | TL494CDG4 vs KA7500CD |
| TL494CDR2 | onsemi | Check for Price | Switching Controller, Voltage-mode, 0.5A, 200kHz Switching Freq-Max, BIPolar, PDSO16 | TL494CDG4 vs TL494CDR2 |
| TL494CDG | Rochester Electronics LLC | Check for Price | Switching Controller, Voltage-mode, 0.5A, 200kHz Switching Freq-Max, PDSO16 | TL494CDG4 vs TL494CDG |
| TL494IDG4 | Texas Instruments | Check for Price | Switching Controller, Voltage-mode, 0.25A, 300kHz Switching Freq-Max, BIPolar, PDSO16 | TL494CDG4 vs TL494IDG4 |
Part Details for TL494CDG4 by Texas Instruments
Results Overview of TL494CDG4 by Texas Instruments
- Distributor Offerings: (5 listings)
- Number of FFF Equivalents: (10 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.
TL494CDG4 Information
TL494CDG4 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.
Available Datasheets
| Part # | Manufacturer | Description | Datasheet |
|---|---|---|---|
| TL494CDG4 | Texas Instruments | PWM Controller 16-SOIC 0 to 70 |
Price & Stock for TL494CDG4
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
|
DISTI #
TL494CDG4-ND
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DigiKey | IC REG CTRLR MULT TOP 16SOIC Min Qty: 840 Container: Tube |
0 Tube |
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$0.4619 | Buy Now |
|
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Rochester Electronics | TL494 PWM Controller RoHS: Compliant Status: End of Life / Last Time Buy Min Qty: 1 | 20 |
|
$0.5316 / $0.8574 | Buy Now |
|
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Chip Stock | Voltage Mode PWM Controller 40V 200mA 300kHz 16-Pin SOIC Tube | 104940 |
|
RFQ | |
|
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Vyrian | Switching Controller, Voltage-mode, 0.25A, 300kHz Switching Freq-Max, BIPolar, PDSO16 | 7992 |
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RFQ | |
|
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Win Source Electronics | IC REG CTRLR MULT TOP 16SOIC | 493470 |
|
$0.1440 / $0.1849 | Buy Now |
US Tariff Estimator: TL494CDG4 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.
TL494CDG4 CAD Models
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TL494CDG4 Part Data Attributes
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TL494CDG4
Texas Instruments
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Datasheet
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TL494CDG4
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, Ms-012ac, Soic-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 | 9.9 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-Max | 5.25 V | |
| Output Voltage-Min | 4.75 V | |
| Output Voltage-Nom | 5 V | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | SOP | |
| Package Equivalence Code | SOP16,.25 | |
| Package Shape | Rectangular | |
| Package Style | Small Outline | |
| Peak Reflow Temperature (Cel) | 260 | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 1.75 Mm | |
| Supply Current-Max (Isup) | 15 Ma | |
| Supply Voltage-Max (Vsup) | 40 V | |
| Supply Voltage-Min (Vsup) | 7 V | |
| Supply Voltage-Nom (Vsup) | 15 V | |
| 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) | Not Specified | |
| Width | 3.9 Mm |
Alternate Parts for TL494CDG4
This table gives cross-reference parts and alternative options found for TL494CDG4. 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 TL494CDG4, 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.
TL494CDG4 Frequently Asked Questions (FAQ)
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The maximum switching frequency of the TL494CDG4 is 100 kHz, but it can be operated at frequencies up to 200 kHz with reduced performance.
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To ensure stability, it's essential to follow the recommended layout and component selection guidelines, including the use of a suitable output filter and a stable voltage reference. Additionally, the datasheet provides a stability analysis procedure to help designers verify the stability of their design.
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The dead-time control (DTC) pin allows the user to adjust the minimum dead time between the turn-off of one switch and the turn-on of the other switch in a push-pull converter. This helps to prevent shoot-through currents and reduce EMI.
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Yes, the TL494CDG4 can be used in a synchronous rectifier topology. However, it requires additional external circuitry to control the synchronous rectifier switch. The TL494CDG4 provides the necessary drive signals for the synchronous rectifier switch.
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The TL494CDG4 has built-in undervoltage lockout (UVLO) protection, which disables the device when the input voltage falls below a certain threshold. For overvoltage protection, external circuitry such as a voltage supervisor or a crowbar circuit can be used to protect the device and the power supply.