MCP16322T-ADJE/NG Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
Microchip MCP16322T-ADJE/NG is a current-mode synchronous step-down DC-DC converter delivering up to 2 A with an adjustable output voltage of 0.9 V to 5 V from a 6 V to 24 V input. It supports both PWM and PFM control modes and is housed in a compact 16-pin QFN package for dense PCB layouts. Well-suited for industrial, automotive, and embedded system power supply designs.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- MCP16322T-ADJE/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 converter with adjustable output from 0.9 V to 5 V
- Wide 6 V to 24 V input voltage range covering industrial and automotive rails
- Dual PWM and PFM control modes for high efficiency across light and heavy loads
- Current-mode control for fast transient response and cycle-by-cycle protection
- Compact 16-pin QFN package for high power density power modules
Applications
MCP16322T-ADJE/NG is designed for point-of-load DC-DC conversion in industrial control boards, automotive accessory modules, and embedded computing systems powered from 12 V to 24 V supply rails. Its wide input range and adjustable output make it versatile for generating 1.0 V to 3.3 V core voltages required by FPGAs, microprocessors, and wireless communication modules.
Specifications
| YTEOL | 0 |
| Additional Feature | PFM CONTROL TECHNIQUE IS ALSO AVAILABLE; ADJUSTABLE OUTPUT VOLTAGE 0.9V TO 5V |
| 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 |
| 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 is the output current capability of MCP16322T-ADJE/NG, and what output voltage range can it produce?
MCP16322T-ADJE/NG delivers a maximum continuous output current of 2 A with an adjustable output voltage programmable between 0.9 V and 5 V using an external resistor divider. This range covers common digital core voltages such as 1.0 V, 1.2 V, 1.8 V, 2.5 V, and 3.3 V required by FPGAs, microcontrollers, and DSPs.
What input voltage range does MCP16322T-ADJE/NG support, and is it suitable for 24 V industrial panels?
The converter accepts an input voltage from 6 V to 24 V, making it directly compatible with 12 V automotive systems and 24 V industrial control panel rails. The 24 V maximum rating allows the device to operate even with typical 10% to 20% input overvoltage transients on industrial bus systems without additional input filtering.
How does the PFM mode on MCP16322T-ADJE/NG improve light-load efficiency in battery-backed designs?
In PFM (pulse frequency modulation) mode, MCP16322T-ADJE/NG reduces switching frequency at light loads below roughly 100 mA, which minimizes switching losses and can cut quiescent current significantly compared to fixed-frequency PWM operation. This translates to extended battery runtime in systems that spend the majority of time in standby or sleep states.
What are the key procurement and packaging considerations for MCP16322T-ADJE/NG in production volumes?
MCP16322T-ADJE/NG is supplied in a 16-pin QFN package with 0.5 mm pitch, offered on tape-and-reel reels of 3000 units for automated SMT assembly. Buyers should confirm the factory lead time with distributors, as Microchip switching regulator parts can carry lead times of 8 to 16 weeks during periods of constrained supply.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.3000 | $1.30 |
| 25+ | $1.2300 | $30.75 |
| 100+ | $1.1700 | $117.00 |
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