Datasheet Microchip MCP1642DT-ADJI/MS The MCP1642B/D is a compact, high-efficiency, fixed frequency, synchronous step-up DC-DC converter Datasheets- Download » Datasheet, PDF, 802 Kb, Revision: 12-18-2014
MCP1642B/D Data Sheet Docket ↓MCP1642B/D 1.8A Input Current Switch, 1 MHz Low-Voltage Start-Up Synchronous Boost Regulator Features General Description 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, typical 3.3V VOUT @ 1 mA Low Operating Input Voltage: 0.35V, typical 3.3V VOUT @ 1 mA Output Voltage Range: -Reference Voltage, VFB = 1.21V -1.8V to 5.5V for the adjustable device option -1.8V, 3.0V, 3.3V and 5.0V for fixed VOUT options Maximum Input Voltage п‚Ј VOUT < 5.5V PWM Operation: 1 MHz -Low Noise, Anti-Ringing Control Power Good Open-Drain Output Internal Synchronous Rectifier Internal Compensation Inrush Current Limiting and Internal Soft-Start Selectable, Logic-Controlled Shutdown States: -True Load Disconnect Option (MCP1642B) -Input-to-Output Bypass Option (MCP1642D) Shutdown Current (All States): 1 ВµA Overtemperature Protection Available Packages: -8-Lead MSOP -8-Lead 2x3 DFN The MCP1642B/D devices are compact, ...
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StatusLifecycle Status | Production (Appropriate for new designs but newer alternatives may exist) |
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PackagingParametricsAutomotive Qual | No |
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Duty Cycle Max | 90 % |
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Input Voltage Range Max | 5.5 V |
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Input Voltage Range Min(V) | 0.65 |
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Light Load Efficiency Mode | No |
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Operating Temperature Range | -40 to 85 °C |
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Output Voltage Range Max | 5.5 V |
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Output Voltage Range Min | 1.8 V |
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Quiescent Current | 0.4 mA) typ |
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SHUTDOWN Current | 1 µA |
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Switch current | 1.8 A) typ |
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Switching Frequency | 1000 kHz |
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Synchronous Rectifier | Yes |
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Vfb | 1.21 V |
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Eco PlanMoldel LineSeries: MCP1642 (40) Other Names:MCP1642DTADJI/MS, MCP1642DT ADJI/MS
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