SKU: 36898077947

MICROCHIP MCP1640-I/MC DC-DC Switching Boost Step Up Regulator, Adjustable, 650mV-5.5Vin, 2V-5.5Vout, 350mAout, DFN-8

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Description

MICROCHIP MCP1640-I/MC DC-DC Switching Boost Step Up Regulator, Adjustable, 650mV-5.5Vin, 2V-5.5Vout, 350mAout, DFN-8The MCP1640 I MC is a 0. 65V start up synchronous Boost Regulator with true output disconnect or input output bypass option. The MCP1640 is a compact high efficiency fixed frequency synchronous step up DC DC converter provides an easy to use power supply solution for applications powered by either one cell, two cell or three cell alkaline, NiCd, NiMH, one cell Li ion or Li polymer batteries. It provides very high efficiency through integration of the

The MCP1640-I/MC is a 0.65V start-up synchronous Boost Regulator with true output disconnect or input/output bypass option. The MCP1640 is a compact high-efficiency fixed frequency synchronous step-up DC-DC converter provides an easy-to-use power supply solution for applications powered by either one-cell, two-cell or three-cell alkaline, NiCd, NiMH, one-cell Li-ion or Li-polymer batteries. It provides very high efficiency through integration of the low resistance N-channel boost switch and synchronous P-channel switch. Low-voltage technology allows the regulator to start-up without high inrush current or output voltage overshoot from a low 0.65V input. High efficiency is accomplished by integrating the low resistance N-channel boost switch and synchronous P-channel switch. All compensation and protection circuitry is integrated to minimize the number of external components.
  • Up to 96% typical efficiency
  • 800mA Typical peak input current limit
  • 0.65V Low start-up voltage
  • 0.35V Operating input voltage
  • Automatic PFM/PWM operation
  • PWM operation at 500kHz
  • 19µA Typical PFM mode low device quiescent current
  • <1µA Shutdown current (all states)
  • Internal synchronous rectifier
  • Internal compensation
  • Inrush current limiting and internal soft-start
  • True load disconnect shutdown
  • Low noise, anti-ringing control
  • Over-temperature protection

Applications

Power Management, Medical, Wireless, Sensing & Instrumentation, Automotive

Warnings

ESD sensitive device, take proper precaution while handling the device.
:
5.5V
:
350mA
:
1Outputs
:
85°C
:
8Pins
:
5.5V
:
2V
:
650mV
:
-
:
Synchronous Boost (Step Up)
:
AEC-Q100
:
DFN
:
575kHz
:
Each
:
MSL 1 - Unlimited
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Product details

Input Voltage Max 5.5V
Output Current 350mA
No. of Outputs 1Outputs
Operating Temperature Max 85°C
No. of Pins 8Pins
Output Voltage Max 5.5V
Output Voltage Min 2V
Input Voltage Min 650mV
Product Range -
Topology Synchronous Boost (Step Up)
Automotive Qualification Standard AEC-Q100
DC / DC Converter IC Case DFN
Switching Frequency 575kHz
Packaging Each
MSL MSL 1 - Unlimited

Other details

Brand MICROCHIP
Part Number MCP1640-I/MC
Quantity Each
Technical Data Sheet EN
Product Change Notice EN

All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them. Image is for illustrative purposes only. Please refer to product description.

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Exchange/Return Notes
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SKU: 36898077947

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★★★★★ 5
Cleanser
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Reviewed in the United States on February 10, 2026
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Sensitive skin wipes
Perfect for highly reactive, sensitive skin
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Mars
Lexington, US
★★★★★ 5
stay moist if close package back up properly. also store in zip loc bag for better preservation.
very handy and convenient for use in car glove compartment for on the go quick clean ups.
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kbhatia
New York, US
★★★★★ 5
Good, irritant-free face wash, decent lather
Size: 8 Fl Oz (Pack of 1)
So far so good. My dermatologist recommended this brand as a daily skincare routine, and I think I’ll be using it from now on. I had been using CeraVe for quite some time, and it seemed to work okay, but I like the lather VANICREAM provides. It results in a cleaner feel even if it is a placebo effect. I also prefer the irritant-free formula just because it puts my mind at ease using something without unnecessary ingredients, not because I absolutely need it. Side note: My doc recommended this during a perioral dermatitis flare-up caused by medication. The CeraVe was potentially irritating my skin even more at the time. Otherwise, I would’ve just continued using the CeraVe. This appears to be good for extremely sensitive skin, including dermatitis and acne flares.
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Reviewed in the United States on May 16, 2026

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