Part Details for LTC3857IUH#PBF by Analog Devices Inc
Results Overview of LTC3857IUH#PBF by Analog Devices Inc
- Distributor Offerings: (6 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (6 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.
LTC3857IUH#PBF Information
LTC3857IUH#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 LTC3857IUH#PBF
Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
161-LTC3857IUH#PBF-ND
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DigiKey | IC REG CTRLR BUCK 32QFN Min Qty: 1 Lead time: 10 Weeks Container: Tube |
61 In Stock |
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$6.4125 / $12.8600 | Buy Now |
DISTI #
584-LTC3857IUH#PBF
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Mouser Electronics | Switching Voltage Regulators L IQ, 2x, 2-PhSync Buck Cntr RoHS: Compliant | 40 |
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$6.4100 / $11.8100 | Buy Now |
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Analog Devices Inc | L IQ, 2x, 2-PhSync Buck Cntr Package Multiple: 73 | 524 |
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$5.1300 / $12.8600 | Buy Now |
DISTI #
35216529
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Verical | DC/DC Cntrlr Dual-OUT Step Down 900kHz 32-Pin QFN EP Tube RoHS: Compliant Min Qty: 73 Package Multiple: 73 | Americas - 511 |
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$6.3451 | Buy Now |
DISTI #
LTC3857IUHPBF
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TME | PMIC, DC/DC converter, Uin: 4÷38VDC, Uout: 0.8÷24VDC, 25A, QFN32 Min Qty: 1 | 0 |
|
$10.1300 / $14.8700 | RFQ |
DISTI #
LTC3857IUH#PBF
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Richardson RFPD | POWER MANAGEMENT IC RoHS: Compliant Min Qty: 73 | 0 |
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$6.6200 / $7.6900 | Buy Now |
Part Details for LTC3857IUH#PBF
LTC3857IUH#PBF CAD Models
LTC3857IUH#PBF Part Data Attributes
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LTC3857IUH#PBF
Analog Devices Inc
Buy Now
Datasheet
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LTC3857IUH#PBF
Analog Devices Inc
Low IQ, Dual, 2-Phase Synchronous Step-Down 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, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, QFN-32 | |
Pin Count | 32 | |
Manufacturer Package Code | 05-08-1693 | |
Reach Compliance Code | compliant | |
Additional Feature | ALSO OPERATES IN ADJUSTABLE MODE FROM 0.8V TO 24V | |
Analog IC - Other Type | SWITCHING CONTROLLER | |
Control Mode | CURRENT-MODE | |
Control Technique | PULSE WIDTH MODULATION | |
Input Voltage-Max | 38 V | |
Input Voltage-Min | 4 V | |
Input Voltage-Nom | 12 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 | 85 °C | |
Operating Temperature-Min | -40 °C | |
Output Voltage-Nom | 5.1 V | |
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 | 850 kHz | |
Technology | CMOS | |
Temperature Grade | INDUSTRIAL | |
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 LTC3857IUH#PBF
This table gives cross-reference parts and alternative options found for LTC3857IUH#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 LTC3857IUH#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 |
---|---|---|---|---|
LTC3857EUH#PBF | Analog Devices Inc | $7.3904 | Low IQ, Dual, 2-Phase Synchronous Step-Down Controller | LTC3857IUH#PBF vs LTC3857EUH#PBF |
LTC3857EUH#PBF | Linear Technology | Check for Price | LTC3857 - Low IQ, Dual, 2-Phase Synchronous Step-Down Controller; Package: QFN; Pins: 32; Temperature Range: -40°C to 85°C | LTC3857IUH#PBF vs LTC3857EUH#PBF |
LTC3857IUH#TRPBF | Linear Technology | Check for Price | LTC3857 - Low IQ, Dual, 2-Phase Synchronous Step-Down Controller; Package: QFN; Pins: 32; Temperature Range: -40°C to 85°C | LTC3857IUH#PBF vs LTC3857IUH#TRPBF |
LTC3857IUH#PBF | Linear Technology | Check for Price | LTC3857 - Low IQ, Dual, 2-Phase Synchronous Step-Down Controller; Package: QFN; Pins: 32; Temperature Range: -40°C to 85°C | LTC3857IUH#PBF vs LTC3857IUH#PBF |
LTC3857EUH#TRPBF | Analog Devices Inc | Check for Price | Low IQ, Dual, 2-Phase Synchronous Step-Down Controller | LTC3857IUH#PBF vs LTC3857EUH#TRPBF |
LTC3857IUH#TRPBF | Analog Devices Inc | Check for Price | Low IQ, Dual, 2-Phase Synchronous Step-Down Controller | LTC3857IUH#PBF vs LTC3857IUH#TRPBF |
LTC3857IUH#PBF Frequently Asked Questions (FAQ)
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A good PCB layout for the LTC3857IUH involves keeping the high-current paths short and wide, using a solid ground plane, and placing the input and output capacitors close to the IC. A 4-layer board with a dedicated power plane is recommended. Refer to the datasheet's layout guidelines and application notes for more details.
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Choose input capacitors with low ESR and high ripple current rating. Output capacitors should have low ESR, high capacitance, and be able to handle the output voltage and current. Consider using ceramic or polymer capacitors. Refer to the datasheet's capacitor selection guidelines and application notes for more details.
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The maximum ambient temperature for the LTC3857IUH is 85°C. However, the junction temperature (TJ) should not exceed 125°C. Ensure proper thermal design and heat sinking to maintain a safe operating temperature.
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Yes, the LTC3857IUH is qualified for automotive and high-reliability applications. It meets the AEC-Q100 standard and is available in a variety of grades, including the 'H' grade for high-reliability applications. Consult the datasheet and Analog Devices' website for more information on the device's qualifications and certifications.
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To troubleshoot issues with the LTC3857IUH, start by verifying the PCB layout, component selection, and soldering quality. Check for proper input and output voltage levels, and ensure that the device is operated within its specified limits. Use oscilloscopes and other diagnostic tools to identify the root cause of the issue. Consult the datasheet's troubleshooting section and application notes for more guidance.