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AAT4900IJS-T1 Datasheet(PDF) 1 Page - Advanced Analog Technology, Inc. |
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AAT4900IJS-T1 Datasheet(HTML) 1 Page - Advanced Analog Technology, Inc. |
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1 / 13 page  AAT4900 Buffered Power Half-Bridge 4900.2006.05.1.3 1 FastSwitch™ General Description The AAT4900 FastSwitch is a member of AnalogicTech's Application Specific Power MOSFET™ (ASPM™) product family. It is a 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 it ideal for 2.5V, 3V, and 5V systems. The device is protected from shoot- through current with its own control circuitry. The AAT4900 is capable of very fast switching times and is ideal for use in high frequency DC/DC con- verters. The quiescent supply current is a low 4mA at 1MHz CLK frequency. In shutdown mode, the supply current decreases to less than 1µA max. The AAT4900 is available in a Pb-free 5-pin SOT23 or 8-pin SC70JW package and is specified over the -40°C to +85°C temperature range. Features • 2.0V to 5.5V Input Voltage Range • 105m Ω (typ) Low Side Switch RDS(ON) • 130m Ω (typ) High Side Switch RDS(ON) • Low Quiescent Current: —1 μA (max) DC — 4mA at 1MHz • Only 2.5V Needed for Control Signal Input • Break-Before-Make Shoot-Through Protection • Temperature Range: -40°C to +85°C • 5-Pin SOT23 or 8-Pin SC70JW Package Applications • DC Motor Drive • High Frequency DC/DC Converters • MOSFET Driver Typical Application AAT4900 EN IN LX CLK GND ENABLE 2.0V to 5.5V Input OUTPUT Control Circuit (PWM Output) SOT23 DC/DC Converter Output Stage |
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