MCP1603-330I/MC Microchip Integrated Circuit (Small Outline No-lead) In Stock
Microchip MCP1603-330I/MC is a 2.0 MHz synchronous buck regulator with 500 mA output current and 3.3 V fixed output. It operates from 2.7 V to 5.5 V input and supports both PWM and PFM modes for high efficiency across load ranges. Compact DFN-8 package enables space-constrained designs.
- Manufacturer
- Microchip
- Package
- Small Outline No-lead
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP1603-330I/MC Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.4926(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 2.0 MHz switching frequency enables use of tiny external inductors and capacitors, minimizing board space
- Dual-mode PWM/PFM operation maximizes efficiency from light to full 500 mA load
- Wide input range of 2.7 V to 5.5 V suits single-cell Li-ion and USB-powered applications
Applications
The MCP1603-330I/MC is well suited for battery-powered portable devices such as smartphones, wearables, and handheld medical instruments where board space is limited and battery life is critical. Its 3.3 V fixed output and high switching frequency allow designers to use small passive components, reducing BOM cost and PCB area in IoT sensors and wireless modules.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | DFN-8 |
| Factory Lead Time | 22Weeks |
| YTEOL | 8 |
| Additional Feature | IT CAN ALSO OPERATE WITH PULSE FREQUENCY MODULATION |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 5.5V |
| Input Voltage-Min | 2.7V |
| Input Voltage-Nom | 3.6V |
| JESD-30 Code | R-PDSO-N8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Current-Max | 0.5A |
| Output Voltage-Max | 3.399V |
| Output Voltage-Min | 3.201V |
| Output Voltage-Nom | 3.3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC8,.08,20 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Screening Level | TS 16949 |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 2800kHz |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| 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 switching frequency does the MCP1603-330I/MC operate at, and why does it matter for component sizing?
The MCP1603-330I/MC switches at 2.0 MHz, which allows designers to use inductors as small as 1 µH and ceramic capacitors in the nF range, significantly reducing the overall footprint compared to regulators running at 200 to 400 kHz.
What input voltage range is supported by the MCP1603-330I/MC?
The device accepts an input voltage from 2.7 V to 5.5 V, making it compatible with single-cell Li-ion batteries, USB 5 V rails, and two-cell alkaline battery stacks in portable consumer and industrial designs with up to 500 mA output.
How does PFM mode benefit light-load efficiency in the MCP1603-330I/MC?
At light loads below roughly 50 mA, the regulator automatically transitions to Pulse Frequency Modulation (PFM), skipping switching cycles and reducing quiescent current, extending battery life in duty-cycled IoT and wearable applications where standby current is critical.
Is the MCP1603-330I/MC RoHS compliant, and what package is used?
Yes, the MCP1603-330I/MC is Pb-free and RoHS compliant. It is housed in an 8-pin DFN package with a compact 3 mm x 3 mm footprint, suitable for high-density PCB layouts requiring minimal board space at up to 500 mA load.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.7300 | $0.73 |
| 25+ | $0.6100 | $15.25 |
| 100+ | $0.5500 | $55.00 |
| 1000+ | $0.5300 | $530.00 |
| 7500+ | $0.4938 | $3703.50 |
| 10050+ | $0.4926 | $4950.63 |
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