MCP16322T-500E/NG Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
The MCP16322T-500E/NG is a synchronous step-down DC/DC converter from Microchip, delivering 2 A output current at 5.0 V with 1.1 MHz switching frequency and 6 V to 24 V input range. It integrates current-mode PWM control with optional PFM for improved light-load efficiency. Packaged in a compact 16-pin QFN for space-constrained power designs.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- MCP16322T-500E/NG Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.1700(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
- 2 A synchronous step-down regulator with 1.1 MHz switching frequency for compact 6 V to 24 V input applications
- Current-mode PWM with automatic PFM mode at light loads to maximize efficiency across the full load range
- Fixed 5.0 V output in a 16-pin QFN package enabling dense PCB layouts with minimal external components
Applications
The MCP16322T-500E/NG is well-suited for industrial power supplies, embedded systems, and IoT gateways requiring a regulated 5.0 V rail from 12 V or 24 V bus voltages. Its 1.1 MHz switching frequency enables use of small inductors and capacitors, making it ideal for space-constrained boards in automation, smart metering, and communication equipment. The PFM light-load mode extends battery life in portable and always-on IoT applications drawing only a few milliamps.
Specifications
| YTEOL | 0 |
| Additional Feature | PFM CONTROL TECHNIQUE IS ALSO AVAILABLE |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 24V |
| Input Voltage-Min | 6V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | S-PQCC-N16 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Current-Max | 2A |
| Output Voltage-Nom | 5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC16,.12SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 1100kHz |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | MATTE TIN |
| 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) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What input voltage range does MCP16322T-500E/NG accept for 5 V output regulation?
The MCP16322T-500E/NG accepts a 6 V to 24 V input voltage range, making it compatible with standard 12 V and 24 V industrial and embedded system power buses while delivering a regulated 5.0 V output at up to 2 A.
How does MCP16322T-500E/NG's PFM mode benefit battery-powered or light-load applications?
In PFM mode, the MCP16322T-500E/NG reduces switching losses at light loads below 100 mA, improving conversion efficiency compared to continuous PWM at 1.1 MHz and extending runtime in IoT and battery-backed 5 V systems.
What switching frequency does MCP16322T-500E/NG use and how does it affect passive component sizing?
The MCP16322T-500E/NG switches at 1.1 MHz, allowing designers to use smaller inductors in the microhenry range and compact ceramic output capacitors, reducing board area in 5 V 2 A power stages significantly.
In which industrial or embedded applications is MCP16322T-500E/NG a strong fit for power rail generation?
MCP16322T-500E/NG is a strong fit for 5 V rail generation in industrial sensors, smart meters, PLCs, and communication modules powered from 12 V or 24 V supplies, where the 16-pin QFN footprint saves board space at 2 A load.
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| 25+ | $1.2300 | $30.75 |
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