Part Details for LTC3731CUH#PBF by Analog Devices Inc
Results Overview of LTC3731CUH#PBF by Analog Devices Inc
- Distributor Offerings: (6 listings)
- Number of FFF Equivalents: (4 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (10 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.
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LTC3731CUH#PBF Information
LTC3731CUH#PBF by Analog Devices Inc 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 LTC3731CUH#PBF
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
LTC3731CUH#PBF-ND
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DigiKey | IC REG CTRLR BUCK 32QFN Min Qty: 1 Lead time: 10 Weeks Container: Tube |
181 In Stock |
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$7.5375 / $14.5300 | Buy Now |
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DISTI #
584-LTC3731CUH#PBF
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Mouser Electronics | Switching Voltage Regulators 3-Phase, 600kHz, Sync Buck Sw Reg Cntr RoHS: Compliant | 140 |
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$7.9000 / $13.2900 | Buy Now |
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Analog Devices Inc | 3-Phase, 600kHz, Sync Buck Sw Package Multiple: 73 | 931 |
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$6.0300 / $14.5300 | Buy Now |
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DISTI #
35216185
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Verical | DC/DC Cntrlr Single-OUT Step Down 440kHz 32-Pin QFN EP Tube RoHS: Compliant Min Qty: 73 Package Multiple: 73 | Americas - 876 |
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$7.5849 | Buy Now |
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DISTI #
LTC3731CUHPBF
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TME | PMIC, DC/DC converter, Uin: 4÷36VDC, Uout: 1.875VDC, 60A, QFN32, SMD Min Qty: 1 | 0 |
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$6.7800 / $9.9500 | RFQ |
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DISTI #
LTC3731CUH#PBF
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Richardson RFPD | POWER MANAGEMENT IC RoHS: Compliant Min Qty: 73 | 0 |
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$7.7800 / $9.0500 | Buy Now |
Part Details for LTC3731CUH#PBF
LTC3731CUH#PBF CAD Models
LTC3731CUH#PBF Part Data Attributes
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LTC3731CUH#PBF
Analog Devices Inc
Buy Now
Datasheet
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Compare Parts:
LTC3731CUH#PBF
Analog Devices Inc
3-Phase, 600kHz, Synchronous Buck Switching Regulator Controller
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| Pbfree Code | No | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | ANALOG DEVICES INC | |
| Package Description | 5 X 5 MM, LEAD FREE, PLASTIC, M0-220WHHD, QFN-32 | |
| Pin Count | 32 | |
| Manufacturer Package Code | 05-08-1693 | |
| Reach Compliance Code | compliant | |
| Samacsys Manufacturer | Analog Devices | |
| Analog IC - Other Type | SWITCHING CONTROLLER | |
| Control Mode | CURRENT-MODE | |
| Control Technique | PULSE WIDTH MODULATION | |
| Input Voltage-Max | 32 V | |
| Input Voltage-Min | 4.5 V | |
| Input Voltage-Nom | 5 V | |
| JESD-30 Code | S-PQCC-N32 | |
| JESD-609 Code | e3 | |
| Length | 5 mm | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 1 | |
| Number of Terminals | 32 | |
| Operating Temperature-Max | 70 °C | |
| Operating Temperature-Min | ||
| Output Current-Max | 5 A | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | HVQCCN | |
| Package Shape | SQUARE | |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | |
| Peak Reflow Temperature (Cel) | 260 | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 0.8 mm | |
| Surface Mount | YES | |
| Switcher Configuration | PHASE-SHIFT | |
| Switching Frequency-Max | 750 kHz | |
| Technology | CMOS | |
| Temperature Grade | COMMERCIAL | |
| Terminal Finish | Matte Tin (Sn) | |
| Terminal Form | NO LEAD | |
| Terminal Pitch | 0.5 mm | |
| Terminal Position | QUAD | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Width | 5 mm |
Alternate Parts for LTC3731CUH#PBF
This table gives cross-reference parts and alternative options found for LTC3731CUH#PBF. 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 LTC3731CUH#PBF, 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 |
|---|---|---|---|---|
| LTC3731CUH | Linear Technology | Check for Price | LTC3731 - 3-Phase, 600kHz, Synchronous Buck Switching Regulator Controller; Package: QFN; Pins: 32; Temperature Range: 0°C to 70°C | LTC3731CUH#PBF vs LTC3731CUH |
| LTC3731IUH#PBF | Linear Technology | Check for Price | LTC3731 - 3-Phase, 600kHz, Synchronous Buck Switching Regulator Controller; Package: QFN; Pins: 32; Temperature Range: -40°C to 85°C | LTC3731CUH#PBF vs LTC3731IUH#PBF |
| LTC3731IUH | Linear Technology | Check for Price | LTC3731 - 3-Phase, 600kHz, Synchronous Buck Switching Regulator Controller; Package: QFN; Pins: 32; Temperature Range: -40°C to 85°C | LTC3731CUH#PBF vs LTC3731IUH |
| LTC3731IUH#TR | Analog Devices Inc | Check for Price | Switching Controller, Current-mode, 5A, 750kHz Switching Freq-Max, PQCC32 | LTC3731CUH#PBF vs LTC3731IUH#TR |
LTC3731CUH#PBF Frequently Asked Questions (FAQ)
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A good PCB layout for the LTC3731CUH#PBF involves keeping the high-current paths short and wide, using a solid ground plane, and placing the input and output capacitors close to the device. Additionally, it's recommended to use a 4-layer board with a dedicated power plane and a dedicated ground plane to reduce noise and EMI.
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The selection of input and output capacitors for the LTC3731CUH#PBF depends on the specific application requirements. In general, low-ESR capacitors with a high ripple current rating are recommended. The input capacitor should be at least 10uF, and the output capacitor should be at least 22uF. The capacitor values can be adjusted based on the output voltage and current requirements.
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The maximum ambient temperature range for the LTC3731CUH#PBF is -40°C to 125°C. However, the device can operate up to 150°C with derating. It's essential to ensure that the device is operated within the recommended temperature range to ensure reliability and performance.
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To troubleshoot issues with the LTC3731CUH#PBF, start by checking the input voltage, output voltage, and current. Verify that the input and output capacitors are properly connected and meet the recommended specifications. Check for any signs of overheating, such as excessive temperature rise or thermal shutdown. Use an oscilloscope to check for any noise or oscillations on the output voltage. Consult the datasheet and application notes for troubleshooting guidelines and tips.
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Yes, the LTC3731CUH#PBF is suitable for high-reliability and aerospace applications. It's manufactured using a high-reliability process, and it's available in a variety of grades, including the 'H' grade, which is specifically designed for high-reliability applications. However, it's essential to consult with Analog Devices Inc. and follow their guidelines for using the device in such applications.