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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MCP19035 датащи(PDF) 1 Page - Microchip Technology |
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MCP19035 датащи(HTML) 1 Page - Microchip Technology |
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1 / 44 page  2012 Microchip Technology Inc. DS22326A-page 1 MCP19035 Features • Input Voltage Range: from 4.5V to 30V • Targeted for Low Voltage Power Trains with Output Current up to 20A • High-Speed Voltage Mode, Analog Pulse-Width Modulation Control • Power Good Output • Internal Oscillator, Reference Voltage and Overcurrent Limit threshold for Stand-Alone Applications. • Fixed Switching Frequency (fSW): 300 kHz • Integrated Synchronous MOSFET Drivers • Multiple Dead-Time Options • Internal Blocking Device for Bootstrap Circuit • Integrated Current Sense Capability for Short Circuit Protection • Internal Overtemperature Protection • Under Voltage Lockout (UVLO) • Integrated Linear Voltage Regulator • 10-LD 3X 3mm DFN Package Applications • Point of Loads • Set-Top Boxes • DSL Cable Modems • FPGA’s/DSP’s Power Supply • PC’s Graphic/Audio Cards General Description The MCP19035 is an application-optimized, high- speed synchronous buck controller that operates from input voltage sources up to 30V. This controller implements a voltage-mode control architecture with a fixed switching frequency of 300 kHz. The high- switching frequency facilitates the use of smaller passive components, including the inductor and input/output capacitors, allowing a compact, high- performance power supply solution. The MCP19035 implements an adaptive anti-cross conduction scheme to prevent shoot-through in the external power MOSFETs. Further more, the MCP19035 offers multiple dead-time options, enabling an additional degree of optimization, allowing a higher efficiency power supply design. The MCP19035 controller is intended to be used for applications providing up to 20A of output currents across a wide input voltage range, up to 30V. The SHDN input is used to turn the device on and off. While turned off, the current consumption is minimized. The MCP19035 offers a Power Good feature (PWRGD), enabling fault detection and simplifying sequencing. Package Types MCP19035 3x3 DFN* COMP FB VIN PHASE BOOT 1 2 3 4 10 9 8 7 LDRV HDRV SHDN * Includes Exposed Thermal Pad (EP); see Table 3-1. EP 11 6 PWRGD +VCC 5 High-Speed Synchronous Buck Controller |
Аналогичный номер детали - MCP19035 |
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Аналогичное описание - MCP19035 |
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ссылки URL |
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