MCP19111-E/MQ Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
Microchip MCP19111-E/MQ is a current-mode PWM switching controller operating from 4.5 V to 32 V in a compact QFN-28 package. It supports programmable switching frequency and high-efficiency power conversion. Available with 6-week lead time and worldwide shipping.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- MCP19111-E/MQ Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.2093(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Current-mode PWM control with input voltage range of 4.5 V to 32 V for versatile power supply designs
- QFN-28 package enabling compact PCB layouts with excellent thermal performance for high-density power modules
- Programmable switching frequency and soft-start for optimized efficiency across wide load ranges
Applications
The MCP19111-E/MQ is designed for DC-DC buck, boost, and buck-boost converter designs in industrial and telecom power systems. Its 4.5 V to 32 V input range and current-mode control make it suitable for battery-powered equipment, point-of-load regulators, and multi-phase power stages. The QFN-28 package suits space-constrained applications requiring high power density and efficient heat dissipation.
Specifications
| Manufacturer Package Code | QFN-28 |
| Factory Lead Time | 6Weeks |
| YTEOL | 13 |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 32V |
| Input Voltage-Min | 4.5V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | S-PQCC-N28 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Voltage-Max | 3.6V |
| Output Voltage-Min | 0.5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC28,.2SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER |
| Qualification Status | Not Qualified |
| Screening Level | TS 16949 |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 1600kHz |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input voltage range does the MCP19111-E/MQ support, and which power topologies is it suited for?
The MCP19111-E/MQ operates across an input voltage range of 4.5 V to 32 V, making it compatible with 5 V, 12 V, and 24 V bus architectures commonly used in industrial and telecom systems. It supports buck, boost, and inverting converter topologies under current-mode PWM control for precise output regulation.
How does the QFN-28 package benefit high-density power module layouts for the MCP19111-E/MQ?
The QFN-28 package exposes a thermal pad on the bottom that improves heat dissipation, allowing the MCP19111-E/MQ to operate reliably in compact multi-rail power modules. With a 28-pin footprint smaller than equivalent SOIC packages, it enables tighter component placement and shorter power loop traces, reducing switching noise in sensitive 12 V rail designs.
When planning procurement, what lead time should be expected for the MCP19111-E/MQ?
The MCP19111-E/MQ carries a factory lead time of approximately 6 weeks from Microchip authorized distributors. Engineers designing new power supply boards should account for this lead time by ordering early in the design phase to avoid production delays, particularly when targeting 32 V industrial input rails with multi-phase configurations.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $5.2200 | $5.22 |
| 20+ | $3.5659 | $71.32 |
| 50+ | $3.3520 | $167.60 |
| 150+ | $3.2093 | $481.39 |
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