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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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RT7247A датащи(PDF) 1 Page - Richtek Technology Corporation |
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RT7247A датащи(HTML) 1 Page - Richtek Technology Corporation |
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1 / 15 page  RT7247A ® DS7247A-01 September 2012 www.richtek.com 1 Copyright 2012 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. © Applications Wireless AP/Router Set-Top-Box Industrial and Commercial Low Power Systems LCD Monitors and TVs Green Electronics/Appliances Point of Load Regulation of High-Performance DSPs 2A, 18V, 340kHz Synchronous Step-Down Converter General Description The RT7247A is a high efficiency, monolithic synchronous step-down DC/DC converter that can deliver up to 2A output current from a 4.5V to 18V input supply. The RT7247A's current mode architecture and external compensation allow the transient response to be optimized over a wide input range and loads. Cycle-by- cycle current limit provides protection against shorted outputs, and soft-start eliminates input current surge during start-up. The RT7247A also provides under voltage protection and thermal shutdown protection. The low current (<3 μA) shutdown mode provides output disconnection, enabling easy power management in battery-powered systems. The RT7247A is available in an SOP-8 (Exposed Pad) package. Features ±±±±±1.5% High Accuracy Reference Voltage 4.5V to 18V Input Voltage Range 2A Output Current Integrated N-MOSFET Switches Current Mode Control Fixed Frequency Operation : 340kHz Output Adjustable from 0.8V to 15V Stable with Low ESR Ceramic Output Capacitors Up to 95% Efficiency Programmable Soft-Start Cycle-by-Cycle Over Current Protection Input Under Voltage Lockout Output Under Voltage Protection Thermal Shutdown Protection RoHS Compliant and Halogen Free Marking Information RT7247Ax GSPYMDNN RT7247AxGSP : Product Number x : H or L or N YMDNN : Date Code Simplified Application Circuit VIN EN GND BOOT FB SW L R1 R2 VOUT VIN RT7247A SS CSS COMP CC RC CP CBOOT CIN COUT Chip Enable |
Аналогичный номер детали - RT7247A |
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Аналогичное описание - RT7247A |
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ссылки URL |
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