MCP1650/51/52/53 Data Sheet
http://www.microchip.com/stellent/images/mchpsiteimages/dwnfolder.gifMCP1650/51/52/53 Data SheetMCP1650/51/52/53 is a 750 kHz gated oscillator boost controller packaged in an 8 or 10-pin MSOP package. Developed for high-power, portable applica-tions, the gated oscillator controller can deliver 5 watts of power to the load while consuming only 120 µA of quiescent current at no load. MCP1650/51/52/53 can operate over a wide input voltage range (2.0V to 5.5V) to accommodate multiple primary-cell and single-cell Li-Ion battery-powered applications, in addition to 2.8V, 3.3V and 5.0V regulated input voltages. Additional features integrated on the MCP1650/51/52/ 53 family include peak input current limit, adjustable output voltage/current, low battery detection and power-good indication.
Parameter NameValue
SW Reg OutputVariable
Typical Active Supply (µA)120
Switching Frequency (kHz)750
Output Voltage (V)2.5 to ext. tx limited
Input Voltage Range (V)2.7 to 5.5
Features
Output Power Capability Over 5 Watts
560/440 Output Current (mA)
Output Voltage Capability From 3.3V to Over 100V
750 kHz Gated Oscillator Switching Frequency
Adaptable Duty Cycle for Battery or Wide-Input, Voltage-Range Applications
Input Voltage Range: 2.0V to 5.5V
Capable of SEPIC® and Flyback Topologies
Shutdown Control with IQ < 0.1 µA (Typical)
Low Operating Quiescent Current: IQ = 120 µA
Voltage Feedback Tolerance (0.6%, Typical)
Popular MSOP-8 Package
Peak Current Limit Feature
Two Undervoltage Lockout (UVLO) Options: 2.0V or 2.55VOperating Temperature Range: -40°C to +125°C
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