Part Details for MP4350DQ-LF-Z by Monolithic Power Systems
Results Overview of MP4350DQ-LF-Z by Monolithic Power Systems
- Distributor Offerings: (3 listings)
- Number of FFF Equivalents: (1 replacement)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (1 option)
- 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
Computing and Data Storage
MP4350DQ-LF-Z Information
MP4350DQ-LF-Z by Monolithic Power Systems 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 MP4350DQ-LF-Z
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
MP4350DQ-LF-Z-ND
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DigiKey | IC LED DRIVER OFFL 10QFN Min Qty: 5000 Lead time: 8 Weeks Container: Tape & Reel (TR) | Limited Supply - Call |
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$1.8000 | Buy Now |
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DISTI #
MP4350DQ-LF-Z
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Avnet Americas | Conv DC-DC Single Step Down 4.5V to 20V 10-Pin QFN EP T/R - Tape and Reel (Alt: MP4350DQ-LF-Z) RoHS: Compliant Min Qty: 5000 Package Multiple: 5000 Lead time: 20 Weeks, 0 Days Container: Reel | 0 |
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$1.7280 / $1.8414 | Buy Now |
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DISTI #
946-MP4350DQLFZ
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Mouser Electronics | Switching Voltage Regulators 2.5A, 4MHz, 20V Nonsync Step-Down RoHS: Compliant | 0 |
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Order Now |
Part Details for MP4350DQ-LF-Z
MP4350DQ-LF-Z CAD Models
MP4350DQ-LF-Z Part Data Attributes
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MP4350DQ-LF-Z
Monolithic Power Systems
Buy Now
Datasheet
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Compare Parts:
MP4350DQ-LF-Z
Monolithic Power Systems
Switching Regulator, Current-mode, 3.5A, 4800kHz Switching Freq-Max, 3 X 3 MM, ROHS COMPLIANT, MO-229VEED-5, QFN-10
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Not Recommended | |
| Ihs Manufacturer | MONOLITHIC POWER SYSTEMS INC | |
| Part Package Code | SON | |
| Package Description | HVSON, SOLCC10,.12,20 | |
| Pin Count | 10 | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Factory Lead Time | 20 Weeks | |
| Samacsys Manufacturer | Monolithic Power Systems (MPS) | |
| Analog IC - Other Type | SWITCHING REGULATOR | |
| Control Mode | CURRENT-MODE | |
| Control Technique | PULSE WIDTH MODULATION | |
| Input Voltage-Max | 20 V | |
| Input Voltage-Min | 4.5 V | |
| Input Voltage-Nom | 12 V | |
| JESD-30 Code | S-XDSO-N10 | |
| JESD-609 Code | e3 | |
| Length | 3 mm | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 1 | |
| Number of Terminals | 10 | |
| Operating Temperature-Max | 85 °C | |
| Operating Temperature-Min | -40 °C | |
| Output Current-Max | 3.5 A | |
| Output Voltage-Max | 16 V | |
| Output Voltage-Min | 0.8 V | |
| Package Body Material | UNSPECIFIED | |
| Package Code | HVSON | |
| Package Equivalence Code | SOLCC10,.12,20 | |
| Package Shape | SQUARE | |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE | |
| Peak Reflow Temperature (Cel) | 260 | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 1 mm | |
| Supply Current-Max (Isup) | 0.125 mA | |
| Supply Voltage-Nom (Vsup) | 12 V | |
| Surface Mount | YES | |
| Switcher Configuration | BUCK | |
| Switching Frequency-Max | 4800 kHz | |
| Temperature Grade | INDUSTRIAL | |
| Terminal Finish | MATTE TIN | |
| Terminal Form | NO LEAD | |
| Terminal Pitch | 0.5 mm | |
| Terminal Position | DUAL | |
| Time@Peak Reflow Temperature-Max (s) | 40 | |
| Width | 3 mm |
Alternate Parts for MP4350DQ-LF-Z
This table gives cross-reference parts and alternative options found for MP4350DQ-LF-Z. 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 MP4350DQ-LF-Z, 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 |
|---|---|---|---|---|
| MP4350DQ-LF | Monolithic Power Systems | Check for Price | Switching Regulator, Current-mode, 3.5A, 4800kHz Switching Freq-Max, 3 X 3 MM, ROHS COMPLIANT, MO-229VEED-5, QFN-10 | MP4350DQ-LF-Z vs MP4350DQ-LF |
MP4350DQ-LF-Z Frequently Asked Questions (FAQ)
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A good PCB layout for the MP4350DQ-LF-Z should prioritize thermal dissipation. Place the device near a thermal pad or a heat sink, and ensure that the thermal vias are connected to a solid copper plane on the bottom layer. Keep the input and output capacitors close to the device to minimize parasitic inductance.
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To optimize output voltage accuracy, use a high-precision resistor divider network for the feedback resistors (RFBT and RFBG). Choose resistors with low temperature coefficients and ensure that the resistors are properly matched. Additionally, consider using a voltage reference IC with high accuracy and low drift.
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For the MP4350DQ-LF-Z, a low-ESR ceramic capacitor (X5R or X7R dielectric) with a value between 4.7uF to 10uF is recommended. This helps to filter out high-frequency noise and ensure stable operation.
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During power-up, ensure that the EN pin is pulled high after the input voltage has reached the minimum operating voltage (VIN(min)). During power-down, pull the EN pin low before the input voltage drops below VIN(min). This helps to prevent unwanted switching and ensures proper shutdown.
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The MP4350DQ-LF-Z has a built-in overcurrent protection (OCP) feature that limits the output current during a short-circuit event. The maximum allowed output current is typically around 2.5A to 3A, depending on the specific application and PCB design.