| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| UC494ACJ | Texas Instruments | Check for Price | Switching Controller, Voltage-mode, 0.2A, 300kHz Switching Freq-Max, BIPolar, CDIP16 | TL494CN vs UC494ACJ |
| TL494CN1 | Texas Instruments | Check for Price | Switching Controller, Voltage-mode, BIPolar, PDIP16 | TL494CN vs TL494CN1 |
| TL494CN3 | Texas Instruments | Check for Price | Switching Controller, Voltage-mode, BIPolar, PDIP16 | TL494CN vs TL494CN3 |
| TL494CNG | onsemi | Check for Price | Switching Controller, Voltage-mode, 0.5A, 200kHz Switching Freq-Max, BIPolar, PDIP16 | TL494CN vs TL494CNG |
| TL494CN | Fairchild Semiconductor Corporation | Check for Price | Switching Controller, Voltage-mode, 0.25A, 300kHz Switching Freq-Max, BIPolar, PDIP16 | TL494CN vs TL494CN |
| IR9494 | Sharp Corp | Check for Price | Switching Regulator, 0.25A, 300kHz Switching Freq-Max, PDIP16 | TL494CN vs IR9494 |
| TL494IN | Texas Instruments | Check for Price | Switching Controller, Voltage-mode, 0.25A, 300kHz Switching Freq-Max, BIPolar, PDIP16 | TL494CN vs TL494IN |
| TL494IJ | Texas Instruments | Check for Price | Switching Controller, Voltage-mode, 0.25A, 300kHz Switching Freq-Max, BIPolar, CDIP16 | TL494CN vs TL494IJ |
| UC494AJ/883B | Unitrode Corporation | Check for Price | Switching Controller, Voltage-mode, 0.2A, 300kHz Switching Freq-Max, BIPolar, CDIP16 | TL494CN vs UC494AJ/883B |
| TL494CN | Motorola Semiconductor Products | Check for Price | Switching Controller, Voltage-mode, 0.5A, 200kHz Switching Freq-Max, BIPolar, PDIP16 | TL494CN vs TL494CN |
Part Details for TL494CN by Texas Instruments
Results Overview of TL494CN by Texas Instruments
- Distributor Offerings: (30 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.
TL494CN Information
TL494CN 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 |
|---|---|---|---|
| TL494CNSR | Texas Instruments | PWM Controller 16-SO 0 to 70 | |
| TL494CNSRG4 | Texas Instruments | PWM Controller 16-SO 0 to 70 | |
| TL494CN | Texas Instruments | PWM Controller 16-PDIP 0 to 70 |
Price & Stock for TL494CN
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
|
DISTI #
33AH5119
|
Newark | Pwm Controller Texas Instruments Tl494Cn, |Texas Instruments TL494CN RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk | 3519 |
|
$0.2470 / $0.5700 | Buy Now |
|
DISTI #
296-1799-5-ND
|
DigiKey | IC REG CTRLR MULT TOPOLOGY 16DIP Min Qty: 1 Container: Tube |
3322 Tube |
|
$0.2474 / $0.5700 | Buy Now |
|
DISTI #
93868284
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Verical | Voltage Mode PWM Controller 40V 200mA 300kHz 16-Pin PDIP Tube RoHS: Compliant Min Qty: 9 Package Multiple: 1 Date Code: 2145 | Americas - 257 |
|
$0.2062 / $0.3275 | Buy Now |
|
DISTI #
P02:6590_15796618
|
Arrow Electronics | Voltage Mode PWM Controller 40V 200mA 300kHz 16-Pin PDIP Tube RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 2145 | Asia - 257 |
|
$0.2062 / $0.4430 | Buy Now |
|
DISTI #
J56:1989_00023678
|
Arrow Electronics | Voltage Mode PWM Controller 40V 200mA 300kHz 16-Pin PDIP Tube RoHS: Compliant Min Qty: 25 Package Multiple: 25 Lead time: 16 Weeks Date Code: 2520 | Europe - 250 |
|
$0.2218 / $0.3156 | Buy Now |
|
|
Onlinecomponents.com | Voltage Mode PWM Controller 40V 200mA 16-Pin PDIP Tube RoHS: Compliant |
9 In Stock |
|
$1.8700 / $4.6500 | Buy Now |
|
|
Bristol Electronics | Voltage Mode PWM Controller 200kHz 16-Pin PDIP Rail | 988 |
|
RFQ | |
|
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Bristol Electronics | Voltage Mode PWM Controller 200kHz 16-Pin PDIP Rail Min Qty: 1 | 25 |
|
$0.2250 / $0.5625 | Buy Now |
|
|
Quest Components | IC,SMPS CONTROLLER,VOLTAGE MODE,BIPOLAR,DIP,16PIN,PLASTIC | 1352 |
|
$0.1950 / $0.7500 | Buy Now |
|
|
Quest Components | IC,SMPS CONTROLLER,VOLTAGE MODE,BIPOLAR,DIP,16PIN,PLASTIC | 1352 |
|
$0.4583 / $1.7625 | Buy Now |
US Tariff Estimator: TL494CN 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.
TL494CN CAD Models
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TL494CN Part Data Attributes
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TL494CN
Texas Instruments
Buy Now
Datasheet
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Compare Parts:
TL494CN
Texas Instruments
Switching Controller, Voltage-mode, 0.25A, 300kHz Switching Freq-Max, BIPolar, PDIP16
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Part Package Code | DIP | |
| Package Description | Pdip-16 | |
| Pin Count | 16 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.90 | |
| 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-PDIP-T16 | |
| JESD-609 Code | e4 | |
| Length | 19.305 Mm | |
| 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 | DIP | |
| Package Equivalence Code | DIP16,.3 | |
| Package Shape | Rectangular | |
| Package Style | In-Line | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 5.08 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 | No | |
| Switcher Configuration | Push-Pull | |
| Switching Frequency-Max | 300 Khz | |
| Technology | Bipolar | |
| Temperature Grade | Commercial | |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | |
| Terminal Form | Through-Hole | |
| Terminal Pitch | 2.54 Mm | |
| Terminal Position | Dual | |
| Width | 7.62 Mm |
Alternate Parts for TL494CN
This table gives cross-reference parts and alternative options found for TL494CN. 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 TL494CN, 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.
TL494CN Frequently Asked Questions (FAQ)
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The maximum switching frequency of TL494CN is 100 kHz, but it can be operated up to 200 kHz with some limitations.
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The values of RT and CT can be calculated using the formulae provided in the datasheet. Typically, RT is in the range of 1 kฮฉ to 10 kฮฉ, and CT is in the range of 100 pF to 1000 pF.
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The DTC pin is used to control the dead time between the turn-off of one switch and the turn-on of the other switch in a push-pull converter. A lower voltage on the DTC pin reduces the dead time, while a higher voltage increases it.
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To ensure stable operation, ensure that the power supply voltage is within the recommended range, the input and output capacitors are properly decoupled, and the layout is designed to minimize noise and electromagnetic interference (EMI).
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Yes, the TL494CN can be used in a synchronous rectifier configuration, but it requires additional external circuitry to control the synchronous rectifier switches.