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Part Details for LM3281YFQR by Texas Instruments
Results Overview of LM3281YFQR by Texas Instruments
- Distributor Offerings: (2 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Available)
- Number of Functional Equivalents: (5 options)
- 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.
Applications
Energy and Power Systems
LM3281YFQR Information
LM3281YFQR 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 LM3281YFQR
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
296-40185-1-ND
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DigiKey | IC REG BUCK 3.3V 1.2A 6DSBGA Min Qty: 1 Lead time: 6 Weeks Container: Cut Tape (CT), Digi-Reel®, Tape & Reel (TR) |
3685 In Stock |
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$0.7244 / $1.5200 | Buy Now |
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DISTI #
595-LM3281YFQR
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Mouser Electronics | Switching Voltage Regulators LM3281 3.3-V 1.2-A 6-MHz DC-DC RoHS: Compliant | 3645 |
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$0.7110 / $1.5200 | Buy Now |
Part Details for LM3281YFQR
LM3281YFQR CAD Models
LM3281YFQR Part Data Attributes
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LM3281YFQR
Texas Instruments
Buy Now
Datasheet
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Compare Parts:
LM3281YFQR
Texas Instruments
3.3-V, 1.2-A, 6-MHz Mini Step-Down DC-DC Converter 6-DSBGA -30 to 90
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | TEXAS INSTRUMENTS INC | |
| Package Description | DSBGA-6 | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| Samacsys Manufacturer | Texas Instruments | |
| Analog IC - Other Type | SWITCHING REGULATOR | |
| Control Mode | VOLTAGE-MODE | |
| Control Technique | PULSE WIDTH MODULATION | |
| Input Voltage-Max | 5.5 V | |
| Input Voltage-Min | 3 V | |
| Input Voltage-Nom | 3.8 V | |
| JESD-30 Code | R-PBGA-B6 | |
| JESD-609 Code | e1 | |
| Length | 1.435 mm | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 1 | |
| Number of Outputs | 1 | |
| Number of Terminals | 6 | |
| Operating Temperature-Max | 90 °C | |
| Operating Temperature-Min | -30 °C | |
| Output Current-Max | 1.2 A | |
| Output Voltage-Max | 3.3 V | |
| Output Voltage-Min | 3.3 V | |
| Output Voltage-Nom | 3.3 V | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | VFBGA | |
| Package Shape | RECTANGULAR | |
| Package Style | GRID ARRAY, VERY THIN PROFILE, FINE PITCH | |
| Peak Reflow Temperature (Cel) | 260 | |
| Seated Height-Max | 0.675 mm | |
| Surface Mount | YES | |
| Switcher Configuration | BUCK | |
| Switching Frequency-Max | 6600 kHz | |
| Temperature Grade | OTHER | |
| Terminal Finish | Tin/Silver/Copper (Sn/Ag/Cu) | |
| Terminal Form | BALL | |
| Terminal Pitch | 0.4 mm | |
| Terminal Position | BOTTOM | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Width | 1.16 mm |
Alternate Parts for LM3281YFQR
This table gives cross-reference parts and alternative options found for LM3281YFQR. 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 LM3281YFQR, 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 |
|---|---|---|---|---|
| MIC23030-FYMT-TR | Microchip Technology Inc | $0.5425 | 1A SWITCHING REGULATOR, 8000kHz SWITCHING FREQ-MAX, PDSO6 | LM3281YFQR vs MIC23030-FYMT-TR |
| LM3281YFQT | Texas Instruments | Check for Price | LM3281 3.3-V, 1.2-A, 6-MHz Mini Step-Down DC-DC Converter 6-DSBGA -30 to 90 | LM3281YFQR vs LM3281YFQT |
| MIC23030-FYMT | Microchip Technology Inc | Check for Price | Switching Regulator, 1A, 8000kHz Switching Freq-Max, PDSO6 | LM3281YFQR vs MIC23030-FYMT |
| FAN53601UC182X | Fairchild Semiconductor Corporation | Check for Price | Switching Regulator, Voltage-mode, 1A, 6600kHz Switching Freq-Max, PBGA6, WLCSP-6 | LM3281YFQR vs FAN53601UC182X |
| FAN53601UC182X | onsemi | Check for Price | 6MHz, 600mA / 1A Synchronous Buck Regulator, WLCSP-6, 3000-REEL | LM3281YFQR vs FAN53601UC182X |
LM3281YFQR Frequently Asked Questions (FAQ)
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The LM3281YFQR can handle input voltages up to 18V, but it's recommended to operate within the 7V to 15V range for optimal performance.
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To ensure stability, it's essential to use a minimum of 10uF capacitor at the output, and a 1uF capacitor at the input. Additionally, the output capacitor should be placed as close to the output pin as possible.
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The LM3281YFQR can provide up to 1A of output current, but it's recommended to operate within the 500mA to 800mA range for optimal performance and thermal management.
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The output voltage can be adjusted by using a resistive divider network between the output pin and the adjust pin. The ratio of the resistors determines the output voltage, which can be calculated using the formula provided in the datasheet.
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The enable pin (EN) is used to turn the regulator on or off. When the EN pin is pulled high, the regulator is enabled, and when it's pulled low, the regulator is disabled. This pin can be used to implement power-saving features or to turn off the regulator during shutdown.