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Microchip MCP1642B-ADJI/MS, Boost Converter, Step Up 800mA Adjustable, 1.15 MHz 8-Pin, MSOP


10 In stock - FREE next working day delivery available
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Price Each (In a Pack of 5)

£0.778

(exc. VAT)

£0.934

(inc. VAT)

Units

Added

Packaging Options:
RS Stock No.:
869-6104
Mfr. Part No.:
MCP1642B-ADJI/MS
Brand:
Microchip
UnitsPer unitPer Pack*
5 - 20£0.778£3.89
25 - 95£0.758£3.79
100 +£0.74£3.70
*price indicative

MCP1642 Synchronous Boost Converter


The MCP1642 family of devices from Microchip are compact, high-efficiency, fixed-frequency, synchronous step-up DC-DC converters. These regulators are designed for applications powered by alkaline, NiCd, NiMH, Li-Ion or Li-Polymer batteries.


Features


Up to 96% Typical Efficiency
1.8A Typical Peak Input Current Limit
IOUT > 175 mA @ 1.2V VIN, 3.3V VOUT
IOUT > 600 mA @ 2.4V VIN, 3.3V VOUT
IOUT > 800 mA @ 3.3V VIN, 5.0V VOUT
IOUT > 1A @ VIN > 3.6V, 5.0V VOUT
Low Start-up Voltage: 0.65V
Minimum Operating Input Voltage: 0.35V
Maximum Input Voltage < VOUT < 5.5V
Adjustable Output Voltage Range: 1.8V to 5.5V
PWM Operation at 1 MHz
Shutdown Current (All States): < 1 μA
Internal Synchronous Rectifier
Internal Compensation
Inrush Current Limiting and Internal Soft-Start
True Load Disconnect Shutdown (MCP1642B)
Input-to-Output Bypass Option (MCP1642D)
Low Noise, Anti-Ringing Control
Over-temperature Protection


AttributeValue
Regulator FunctionStep Up
Maximum Output Current800mA
Number of Outputs1
Line Regulation±0.5 %/V
Load Regulation±1.5 %
Mounting TypeSurface Mount
Package TypeMSOP
Pin Count8
Output TypeAdjustable
Maximum Switching Frequency1.15 MHz
Switching RegulatorYes
Dimensions3 x 3 x 0.95mm
Height0.95mm
Maximum Input Voltage5.5 V
Length3mm
Maximum Output Voltage5.5 V
Maximum Operating Temperature+85 °C
Minimum Input Voltage0.65 V
Minimum Output Voltage1.8 V
Minimum Operating Temperature-40 °C
Width3mm