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Part Details for LTC3857EUH#PBF by Analog Devices Inc
Results Overview of LTC3857EUH#PBF by Analog Devices Inc
- Distributor Offerings: (8 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Available)
- 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.
Applications
Consumer Electronics
Industrial Automation
Renewable Energy
Robotics and Drones
LTC3857EUH#PBF Information
LTC3857EUH#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 LTC3857EUH#PBF
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
51AK7044
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Newark | Dc/Dc Ctrl, Sync Buck, 900Khz, 125Deg C, Control Mode:Current Mode Control, Supply Voltage Min:4V, Supply Voltage Max:38V, No. Of Outputs:2Outputs, Duty Cycle (%):99.4%, Ic Case/Package:Qfn-Ep, No. Of Pins:32Pins, Product Range:- Rohs Compliant: Yes |Analog Devices LTC3857EUH#PBF RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 1 Container: Bulk | 37 |
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$5.9700 / $8.6100 | Buy Now |
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DISTI #
LTC3857EUH#PBF-ND
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DigiKey | IC REG CTRLR BUCK 32QFN Min Qty: 1 Lead time: 10 Weeks Container: Tube |
17 In Stock |
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$5.9751 / $9.7600 | Buy Now |
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DISTI #
584-LTC3857EUH#PBF
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Mouser Electronics | Switching Voltage Regulators L IQ, 2x, 2-PhSync Buck Cntr RoHS: Compliant | 99 |
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$5.9700 / $8.6100 | Buy Now |
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DISTI #
V36:1790_06479130
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Arrow Electronics | DC/DC Cntrlr Dual-OUT Step Down 900kHz 32-Pin QFN EP Tube RoHS: Compliant Min Qty: 73 Package Multiple: 73 Lead time: 10 Weeks Date Code: 2407 | Americas - 29 |
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$5.5770 | Buy Now |
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Analog Devices Inc | L IQ, 2x, 2-PhSync Buck Cntr Package Multiple: 73 | 6 |
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$4.7800 / $9.7600 | Buy Now |
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DISTI #
85245205
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Verical | DC/DC Cntrlr Dual-OUT Step Down 900kHz 32-Pin QFN EP Tube RoHS: Compliant Min Qty: 13 Package Multiple: 13 Date Code: 2433 | Americas - 13 |
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$5.7100 | Buy Now |
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DISTI #
LTC3857EUHPBF
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TME | PMIC, DC/DC converter, Uin: 4÷38VDC, Uout: 0.8÷24VDC, 25A, QFN32 Min Qty: 1 | 0 |
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$9.5900 / $14.0700 | RFQ |
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DISTI #
LTC3857EUH#PBF
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Richardson RFPD | POWER MANAGEMENT IC RoHS: Compliant Min Qty: 73 | 0 |
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$6.1700 / $7.1700 | Buy Now |
Part Details for LTC3857EUH#PBF
LTC3857EUH#PBF CAD Models
LTC3857EUH#PBF Part Data Attributes
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LTC3857EUH#PBF
Analog Devices Inc
Buy Now
Datasheet
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Compare Parts:
LTC3857EUH#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 | |
| Samacsys Manufacturer | Analog Devices | |
| 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 | ||
| 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 | OTHER | |
| 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 LTC3857EUH#PBF
This table gives cross-reference parts and alternative options found for LTC3857EUH#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 LTC3857EUH#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 |
|---|---|---|---|---|
| LTC3857IUH#PBF | Analog Devices Inc | $10.9778 | Low IQ, Dual, 2-Phase Synchronous Step-Down Controller | LTC3857EUH#PBF vs LTC3857IUH#PBF |
| LTC3857EUH#TRPBF | Analog Devices Inc | Check for Price | Low IQ, Dual, 2-Phase Synchronous Step-Down Controller | LTC3857EUH#PBF vs LTC3857EUH#TRPBF |
| 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 | LTC3857EUH#PBF vs LTC3857EUH#PBF |
| LTC3857IUH#TRPBF | Analog Devices Inc | Check for Price | Low IQ, Dual, 2-Phase Synchronous Step-Down Controller | LTC3857EUH#PBF vs LTC3857IUH#TRPBF |
| LTC3857EUH#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 | LTC3857EUH#PBF vs LTC3857EUH#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 | LTC3857EUH#PBF vs LTC3857IUH#PBF |
LTC3857EUH#PBF Frequently Asked Questions (FAQ)
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A good PCB layout for the LTC3857EUH involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the traces between the device and the capacitors. Additionally, it's recommended to use a separate power plane for the input voltage and to keep the output voltage plane away from the input voltage plane.
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The choice of input and output capacitors for the LTC3857EUH depends on the specific application requirements. In general, low-ESR capacitors with a high ripple current rating are recommended. For the input capacitor, a value of 10uF to 22uF is typical, while for the output capacitor, a value of 22uF to 47uF is typical. The capacitor voltage rating should be at least 1.5 times the maximum input voltage.
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The maximum ambient temperature range for the LTC3857EUH is -40°C to 125°C. However, the device can operate up to 150°C with derating. It's recommended to check the thermal derating curves in the datasheet to ensure the device operates within its specified limits.
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The switching frequency of the LTC3857EUH can be programmed using an external resistor connected between the RT pin and the GND pin. The recommended value of the resistor is between 1kΩ and 100kΩ, with a lower value resulting in a higher switching frequency. The datasheet provides a formula to calculate the switching frequency based on the resistor value.
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The maximum output current capability of the LTC3857EUH is 7A. However, the device can deliver higher currents for short durations. It's recommended to check the thermal derating curves in the datasheet to ensure the device operates within its specified limits.