Part Details for LTC3857EUH#TRPBF by Linear Technology
Results Overview of LTC3857EUH#TRPBF by Linear Technology
- Distributor Offerings: (0 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (7 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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Consumer Electronics
Industrial Automation
Renewable Energy
Robotics and Drones
LTC3857EUH#TRPBF Information
LTC3857EUH#TRPBF by Linear Technology 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.
Part Details for LTC3857EUH#TRPBF
LTC3857EUH#TRPBF CAD Models
LTC3857EUH#TRPBF Part Data Attributes
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LTC3857EUH#TRPBF
Linear Technology
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Datasheet
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LTC3857EUH#TRPBF
Linear Technology
LTC3857 - Low IQ, Dual, 2-Phase Synchronous Step-Down Controller; Package: QFN; Pins: 32; Temperature Range: -40°C to 85°C
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| Rohs Code | Yes | |
| Part Life Cycle Code | Transferred | |
| Ihs Manufacturer | LINEAR TECHNOLOGY CORP | |
| Part Package Code | QFN | |
| Package Description | 5 X 5 MM, LEAD FREE, PLASTIC, MO-220WHHD, QFN-32 | |
| Pin Count | 32 | |
| Manufacturer Package Code | UH | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Additional Feature | ALSO OPERATES IN ADJUSTABLE MODE FROM 0.8V TO 24V | |
| Analog IC - Other Type | DUAL 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 Equivalence Code | LCC32,.2SQ,20 | |
| 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 | 900 kHz | |
| Technology | CMOS | |
| Temperature Grade | OTHER | |
| Terminal Finish | MATTE TIN | |
| 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#TRPBF
This table gives cross-reference parts and alternative options found for LTC3857EUH#TRPBF. 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#TRPBF, 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#TRPBF vs LTC3857IUH#PBF |
| LTC3857EUH#PBF | Analog Devices Inc | $7.3904 | Low IQ, Dual, 2-Phase Synchronous Step-Down Controller | LTC3857EUH#TRPBF 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 | LTC3857EUH#TRPBF 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 | LTC3857EUH#TRPBF 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 | LTC3857EUH#TRPBF vs LTC3857IUH#PBF |
| LTC3857EUH#TRPBF | Analog Devices Inc | Check for Price | Low IQ, Dual, 2-Phase Synchronous Step-Down Controller | LTC3857EUH#TRPBF vs LTC3857EUH#TRPBF |
| LTC3857IUH#TRPBF | Analog Devices Inc | Check for Price | Low IQ, Dual, 2-Phase Synchronous Step-Down Controller | LTC3857EUH#TRPBF vs LTC3857IUH#TRPBF |
LTC3857EUH#TRPBF Frequently Asked Questions (FAQ)
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The maximum input voltage that can be applied to the LTC3857EUH is 28V, but it's recommended to keep it below 24V for reliable operation.
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The compensation network can be optimized by following the guidelines in the datasheet and using the provided calculator tools. Additionally, it's recommended to use a network analyzer to measure the loop gain and adjust the compensation components accordingly.
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The recommended layout and placement for the LTC3857EUH involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the loop area of the feedback network. A 4-layer PCB with a dedicated power plane is recommended.
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The thermal management of the LTC3857EUH involves providing adequate heat sinking, using a thermal interface material, and keeping the ambient temperature below 85°C. The IC's thermal pad should be connected to a solid ground plane or a heat sink.
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The recommended input capacitor type is a low-ESR ceramic capacitor with a value of 10uF to 22uF. The capacitor should be rated for the maximum input voltage and have a low equivalent series resistance (ESR) to minimize voltage ripple.