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MCP1650

Microchip Technology
Part Number MCP1650
Manufacturer Microchip Technology
Description (MCP1650 - MCP1653) 750 kHz Boost Controller
Published Jan 9, 2009
Detailed Description M Features MCP1650/51/52/53 750 kHz Boost Controller Description The MCP1650/51/52/53 is a 750 kHz gated oscillator boo...
Datasheet PDF File MCP1650 PDF File

MCP1650
MCP1650

Overview
M Features MCP1650/51/52/53 750 kHz Boost Controller Description The MCP1650/51/52/53 is a 750 kHz gated oscillator boost controller packaged in an 8 or 10-pin MSOP package.
Developed for high-power, portable applications, the gated oscillator controller can deliver 5 watts of power to the load while consuming only 120 µA of quiescent current at no load.
The MCP1650/51/52/53 can operate over a wide input voltage range (2.
0V to 5.
5V) to accommodate multiple primary-cell and singlecell Li-Ion battery-powered applications, in addition to 2.
8V, 3.
3V and 5.
0V regulated input voltages.
An internal 750 kHz gated oscillator makes the MCP1650/51/52/53 ideal for space-limited designs.
The high switching frequency minimizes the size of the external inductor and capacitor, saving board space and cost.
The internal oscillator operates at two different duty cycles depending on the level of the input voltage.
By changing duty cycle in this fashion, the peak input current is reduced at high input vol...


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