AAT4900_06 ANALOGICTECH [Advanced Analogic Technologies], AAT4900_06 Datasheet
AAT4900_06
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AAT4900_06 Summary of contents
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General Description The AAT4900 FastSwitch is a member of AnalogicTech's Application MOSFET™ (ASPM™) product family. buffered power half-bridge, consisting of low on resistance power MOSFETs with integrated control logic. This device operates with inputs ranging from 2.0V to 5.5V, making ...
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Pin Descriptions Pin # SOT23-5 SC70JW Pin Configuration SOT23-5 (Top View GND Control Logic Table CLK Symbol ...
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Absolute Maximum Ratings T = 25°C, unless otherwise noted. A Symbol Description GND EN, CLK to GND EN CLK V OUT to GND OUT I Maximum Continuous Switch Current MAX T Operating Junction ...
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Electrical Characteristics -40°C to +85°C, unless otherwise noted. Typical values are Symbol Description V Operation Voltage Quiescent Current QAC I DC Quiescent Current QDC I Off-Supply Current Q(OFF) ...
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Typical Characteristics Operating Current vs. Input Voltage (F = 1MHz 2.5 3.0 3.5 4.0 4.5 Input Voltage (V) Operating Current vs. Temperature (F = 1MHz ...
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Typical Characteristics High Side R 0. 2.7V, 0. 2.2A D 0.20 0.15 0. 5.5V 0.2A to 2.2A 0.05 D 0.00 -40 - Temperature (°C) Propagation Delay vs. ...
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Functional Block Diagram CLK EN Typical Applications DC/DC Converter The most common AAT4900 applications include a DC/DC converter output power stage and a MOS- FET gate drive buffer. Figure 1 shows a common configuration when used as a DC/DC converter ...
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Synchronous Buck DC/DC Converter Application The losses associated with the AAT4900 high side switching MOSFET are due to switching losses and conduction losses. The conduction losses are asso- ciated with the R characteristics of the output DS(ON) switching device. At ...
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Gate Drive When used as a MOSFET gate driver, the break- before-make shoot-through protection significantly reduces losses associated with the driver at high frequencies. (See Figure 2.) The low R of the output stage allows for a DS(ON) high peak ...
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Motor Drive The AAT4900 is also ideally suited for use as an effi- cient output driver for DC brushless motor control. The inductive load switching capability of the AAT4900 eliminates the need for external diodes. A typical motor control circuit ...
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CLK LX Figure 5: Timing Diagram. 50% CLK 50 PLH 90% LX 10% Figure 6: Switching Time Waveforms CLK GND Figure 7: Propagation Delay Test Circuit. AAT4900 Buffered Power Half-Bridge PHL t ...
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Ordering Information Package SOT23-5 SC70JW-8 All AnalogicTech products are offered in Pb-free packaging. The term “Pb-free” means semiconductor products that are in compliance with current RoHS standards, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. ...
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BSC 0.50 BSC 0.50 BSC 2.00 ± 0.20 7° ± 3° All dimensions in millimeters. © Advanced Analogic Technologies, Inc. AnalogicTech cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in an AnalogicTech product. No ...