MCP1640C-I/MC Microchip Integrated Circuit (Small Outline No-lead) In Stock
The MCP1640C-I/MC is a step-up DC/DC boost regulator from Microchip supporting 350 mA output and 500 kHz switching frequency with a 1.2 V nominal input. It operates in both fixed and adjustable output modes from 2 V to 5.5 V using PFM current-mode control. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline No-lead
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MCP1640C-I/MC Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Ultra-low 1.2 V nominal input voltage enables operation from a single alkaline or NiMH cell for battery-powered designs
- Adjustable output voltage range of 2 V to 5.5 V with PFM control technique for high light-load efficiency
- Compact 8-pin DFN (2x3 mm) package minimizes PCB footprint in space-constrained portable applications
Applications
The MCP1640C-I/MC is ideal for single-cell battery-powered devices such as wireless sensors, IoT nodes, and handheld instruments where boosting a 1.2 V alkaline or NiMH cell to a regulated 3.3 V or 5 V rail is required. Its PFM control mode delivers excellent efficiency at light loads, extending battery life in always-on connected devices. The adjustable output mode also supports custom voltage rails in portable medical devices and wearable electronics.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | DFN-8 |
| YTEOL | 7 |
| Additional Feature | ALSO OPERATES IN ADJUSTABLE MODE FROM 2V TO 5.5V; PFM CONTROL TECHNIQUE |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Nom | 1.2V |
| JESD-30 Code | R-PDSO-N8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Voltage-Max | 5.5V |
| Output Voltage-Min | 2V |
| Output Voltage-Nom | 3.3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOLCC8,.11,20 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Switcher Configuration | BOOST |
| Switching Frequency-Max | 575kHz |
| 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 | 8542.39.00.60 |
| Country of Origin | Malaysia, Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for MCP1640C-I/MC:
Microchip Technology Inc PFM/PWM Enabled, Input to Output Bypass
Frequently Asked Questions
What is the minimum input voltage of the MCP1640C-I/MC?
The MCP1640C-I/MC operates from a nominal input voltage of 1.2 V, making it suitable for single-cell alkaline, NiMH, or lithium battery applications where input voltage can drop as low as 0.65 V during discharge.
What output voltage range does the MCP1640C-I/MC support?
The MCP1640C-I/MC supports an adjustable output voltage range from 2 V to 5.5 V, allowing designers to set custom regulated output rails using external resistors for a wide variety of portable applications.
What is the switching frequency and output current of the MCP1640C-I/MC?
The MCP1640C-I/MC operates at a 500 kHz switching frequency and can deliver up to 350 mA output current, enabling the use of small external inductors and capacitors to reduce total solution size.
What package does the MCP1640C-I/MC come in and is it RoHS compliant?
The MCP1640C-I/MC is available in an 8-pin DFN (2x3 mm) Small Outline No-lead package. It is fully RoHS compliant (Pb-free) as indicated by its JESD-609 e3 code, suitable for lead-free assembly processes.
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