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3.5 A step down switching regulator
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.
Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
38Y7864
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Newark | Dc-Dc Switching Buck (Step Down) Regulator, Adjustable, 8V-55Vin, 500Mv-50Vout, 3.5Aout, Soic-20 Rohs Compliant: Yes |Stmicroelectronics L4973D3.3 Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk | 0 |
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$3.9700 / $5.6900 | Buy Now |
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STMicroelectronics | 3.5 A step down switching regulator RoHS: Compliant Min Qty: 1 | 3522 |
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$3.5300 / $5.6400 | Buy Now |
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Future Electronics | L4973 Series 3.5 A Step Down Monolithic Power Switching Regulator - SOIC-20 RoHS: Compliant pbFree: Yes Min Qty: 1000 Package Multiple: 40 Container: Tube | 0Tube |
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$2.8600 / $3.1400 | Buy Now |
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Quest Components | Swithed-Mode Power Supply Controller, Voltage Mode Type, 20 Pin, Plastic, SOP | 20 |
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$4.0163 / $8.0325 | Buy Now |
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Ameya Holding Limited | IC: driver, buck, DC/DC converter, SO20, 3.5A, 0.5÷50V, Channels: 1 | 4801 |
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RFQ | |
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Chip 1 Exchange | INSTOCK | 13 |
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RFQ | |
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LCSC | SO-20-300mil DC-DC Converters ROHS | 71 |
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$4.0098 / $5.5075 | Buy Now |
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L4973D3.3
STMicroelectronics
Buy Now
Datasheet
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Compare Parts:
L4973D3.3
STMicroelectronics
3.5 A step down switching regulator
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Rohs Code | Yes | |
Part Life Cycle Code | Obsolete | |
Ihs Manufacturer | STMICROELECTRONICS | |
Part Package Code | SOIC | |
Package Description | LEAD FREE, SOP-20 | |
Pin Count | 20 | |
Reach Compliance Code | compliant | |
ECCN Code | EAR99 | |
HTS Code | 8542.39.00.01 | |
Samacsys Manufacturer | STMicroelectronics | |
Analog IC - Other Type | SWITCHING REGULATOR | |
Control Mode | VOLTAGE-MODE | |
Control Technique | PULSE WIDTH MODULATION | |
Input Voltage-Max | 55 V | |
Input Voltage-Min | 8 V | |
Input Voltage-Nom | 24 V | |
JESD-30 Code | R-PDSO-G20 | |
JESD-609 Code | e4 | |
Length | 12.8 mm | |
Moisture Sensitivity Level | 3 | |
Number of Functions | 1 | |
Number of Terminals | 20 | |
Output Current-Max | 5.5 A | |
Package Body Material | PLASTIC/EPOXY | |
Package Code | SOP | |
Package Equivalence Code | SOP20,.4 | |
Package Shape | RECTANGULAR | |
Package Style | SMALL OUTLINE | |
Peak Reflow Temperature (Cel) | 250 | |
Qualification Status | Not Qualified | |
Seated Height-Max | 2.65 mm | |
Surface Mount | YES | |
Switcher Configuration | BUCK | |
Switching Frequency-Max | 300 kHz | |
Technology | BCDMOS | |
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 | 7.5 mm |
This table gives cross-reference parts and alternative options found for L4973D3.3. 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 L4973D3.3, 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 | Description | Manufacturer | Compare |
---|---|---|---|
HIP6004ACB-T | Switching Controller, Voltage-mode, 1000kHz Switching Freq-Max, PDSO20, PACKAGE-20 | Rochester Electronics LLC | L4973D3.3 vs HIP6004ACB-T |
HIP6301VCB-T | SWITCHING CONTROLLER, 1500kHz SWITCHING FREQ-MAX, PDSO20, PLASTIC, MS-013AC, SOIC-20 | Intersil Corporation | L4973D3.3 vs HIP6301VCB-T |
HIP6015CB | Switching Controller, Voltage-mode, 0.35A, 1000kHz Switching Freq-Max, PDSO20 | Harris Semiconductor | L4973D3.3 vs HIP6015CB |
IRU3011CWPBF | SWITCHING CONTROLLER, 250kHz SWITCHING FREQ-MAX, PDSO20, PLASTIC, SOIC-20 | Infineon Technologies AG | L4973D3.3 vs IRU3011CWPBF |
HIP6004BCBZ | Buck and Synchronous-Rectifier (PWM) Controller and Output Voltage Monitor HIP6004B; SOIC20, TSSOP20; Temp Range: 0° to 70° | Intersil Corporation | L4973D3.3 vs HIP6004BCBZ |
HIP6004BCB | Switching Controller, Voltage-mode, 0.3A, 1000kHz Switching Freq-Max, PDSO20 | Harris Semiconductor | L4973D3.3 vs HIP6004BCB |
HIP6015CB | SWITCHING CONTROLLER, 1000kHz SWITCHING FREQ-MAX, PDSO20, PLASTIC, MS-013AC, SOIC-20 | Intersil Corporation | L4973D3.3 vs HIP6015CB |
HIP6004ACB | Switching Controller, Voltage-mode, 0.3A, 1000kHz Switching Freq-Max, PDSO20 | Harris Semiconductor | L4973D3.3 vs HIP6004ACB |
IRU3011CWPBF | Switching Controller, 250kHz Switching Freq-Max, PDSO20, PLASTIC, SOIC-20 | International Rectifier | L4973D3.3 vs IRU3011CWPBF |
IRU3005CW | Switching Controller, Voltage-mode, 250kHz Switching Freq-Max, PDSO20, PLASTIC, SOIC-20 | International Rectifier | L4973D3.3 vs IRU3005CW |