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Switching Regulator, Voltage-mode, 1.1A, 110kHz Switching Freq-Max, CMOS, PSFM3, TO-220, 3 PIN
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.
TOP223Y by Power Integrations 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.
Part # | Distributor | Description | Stock | Price | Buy | |
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Bristol Electronics | 100 |
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RFQ | ||
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Quest Components | IC,SMPS CONTROLLER,VOLTAGE-MODE,HYBRID,SIP,3PIN,PLASTIC | 328 |
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$3.3000 / $6.0000 | Buy Now |
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TOP223Y
Power Integrations
Buy Now
Datasheet
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Compare Parts:
TOP223Y
Power Integrations
Switching Regulator, Voltage-mode, 1.1A, 110kHz Switching Freq-Max, CMOS, PSFM3, TO-220, 3 PIN
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Pbfree Code | No | |
Rohs Code | No | |
Part Life Cycle Code | Obsolete | |
Ihs Manufacturer | POWER INTEGRATIONS INC | |
Part Package Code | SFM | |
Package Description | TO-220, 3 PIN | |
Pin Count | 3 | |
Reach Compliance Code | unknown | |
ECCN Code | EAR99 | |
HTS Code | 8542.39.00.01 | |
Samacsys Manufacturer | Power Integrations | |
Analog IC - Other Type | SWITCHING REGULATOR | |
Control Mode | VOLTAGE-MODE | |
Control Technique | PULSE WIDTH MODULATION | |
JESD-30 Code | R-PSFM-T3 | |
JESD-609 Code | e0 | |
Number of Functions | 1 | |
Number of Terminals | 3 | |
Operating Temperature-Max | 125 °C | |
Operating Temperature-Min | -40 °C | |
Output Current-Max | 1.1 A | |
Package Body Material | PLASTIC/EPOXY | |
Package Code | SFM | |
Package Equivalence Code | SIP3,.1TB | |
Package Shape | RECTANGULAR | |
Package Style | FLANGE MOUNT | |
Qualification Status | Not Qualified | |
Surface Mount | NO | |
Switcher Configuration | BOOST | |
Switching Frequency-Max | 110 kHz | |
Technology | CMOS | |
Temperature Grade | AUTOMOTIVE | |
Terminal Finish | TIN LEAD | |
Terminal Form | THROUGH-HOLE | |
Terminal Pitch | 2.54 mm | |
Terminal Position | SINGLE |
This table gives cross-reference parts and alternative options found for TOP223Y. 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 TOP223Y, 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.
Part Number | Manufacturer | Composite Price | Description | Compare |
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TOP233YN | Power Integrations | $2.1900 | Switching Regulator, Voltage-mode, 1.6A, 140kHz Switching Freq-Max, CMOS, PZFM5, PLASTIC, TO-220, 7 PIN | TOP223Y vs TOP233YN |
TOP226YN | Power Integrations | $5.1194 | Switching Regulator, Voltage-mode, 2.75A, 110kHz Switching Freq-Max, CMOS, PSFM3, TO-220, 3 PIN | TOP223Y vs TOP226YN |
TOP233Y | Power Integrations | Check for Price | Switching Regulator, Voltage-mode, 1.6A, 140kHz Switching Freq-Max, CMOS, PZFM5, PLASTIC, TO-220, 7 PIN | TOP223Y vs TOP233Y |
STR-F6653 | Sanken Electric Co Ltd | Check for Price | Switching Regulator, Voltage-mode, 14A, PZFM5, TO-3P, 5 PIN | TOP223Y vs STR-F6653 |
TOP245YN-TL | Power Integrations | Check for Price | Switching Regulator, Voltage-mode, 2.88A, 140kHz Switching Freq-Max, CMOS, PZFM6, LEAD FREE, PLASTIC, TO-220, 7 PIN | TOP223Y vs TOP245YN-TL |
IRIS4015 | International Rectifier | Check for Price | Switching Regulator, Current-mode, 21A, PSFM5, TO-220, 5 PIN | TOP223Y vs IRIS4015 |
IRIS4015PBF | International Rectifier | Check for Price | Switching Regulator, Current-mode, 21A, PSFM5, TO-220, 5 PIN | TOP223Y vs IRIS4015PBF |
IRIS4011KPBF | International Rectifier | Check for Price | Switching Regulator, Current-mode, 6.8A, PSIP5, TO-262, 5 PIN | TOP223Y vs IRIS4011KPBF |
KA1L0880 | Samsung Semiconductor | Check for Price | Switching Controller, Current-mode, 32A, 50kHz Switching Freq-Max, PSFM5 | TOP223Y vs KA1L0880 |
TOP246YN-TL | Power Integrations | Check for Price | Switching Regulator, Voltage-mode, 4.32A, 140kHz Switching Freq-Max, CMOS, PZFM6, LEAD FREE, PLASTIC, TO-220, 7 PIN | TOP223Y vs TOP246YN-TL |
The TOP223Y can operate safely up to 125°C, but the recommended operating temperature range is -40°C to 85°C for optimal performance and reliability.
Proper cooling can be achieved by providing a heat sink with a thermal resistance of 10°C/W or less, and ensuring good airflow around the device. A thermal interface material (TIM) can also be used to improve heat transfer between the device and heat sink.
A low-ESR ceramic capacitor with a value of 10-22 μF is recommended for the input filter capacitor. The capacitor should be rated for the maximum input voltage and have a low equivalent series resistance (ESR) to minimize voltage ripple.
The transformer design should be optimized for the specific application, taking into account the input voltage, output voltage, and power rating. A good starting point is to use the transformer design guidelines provided in the TOP223Y datasheet, and then fine-tune the design using simulation tools or prototyping.
Key considerations for PCB layout and design include keeping the high-voltage and low-voltage circuits separate, using a solid ground plane, and minimizing the loop area of the transformer and output rectifier to reduce EMI. A multi-layer PCB with a dedicated ground plane is recommended.