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AS1313 Datasheet(PDF) 1 Page - ams AG |
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AS1313 Datasheet(HTML) 1 Page - ams AG |
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1 / 26 page  ams Datasheet Page 1 [v1-43] 2015-Jul-23 Document Feedback AS1313 Ultra Low Quiescent Current, DC-DC Step Down Converter The AS1313 is an ultra-low quiescent current hysteretic step-down DC-DC converter optimized for light loads and with efficiencies of up to 95%. AS1313 operates from a 2.4V to 5.5V supply and supports output voltages between 1.2V and 3.6V. Besides the available AS1313 standard variants, any variant with output voltages in 50mV steps are available. In order to save power the AS1313 features a shutdown mode, where it draws less than 100nA. During shutdown mode the battery is disconnected from the output. In light load operation, the device enters an idle mode when most of the internal operating blocks are turned off in order to save power. This mode is active approximately 100μs after a current pulse provided that the output is in regulation. The capacitor connected to the REF pin is an essential part of this feature. The AS1313 is available in an 8-pin MLPD (2mm x 2mm) and a 6-pin WL-CSP (0.4mm pitch). Ordering Information and Content Guide appear at end of datasheet. Key Benefits & Features The benefits and features of AS1313, Ultra Low Quiescent Current, DC-DC Step Down Converter are listed below: Figure 1: Added Value of Using AS1313 Benefits Features Ideal for single Li-Ion battery powered applications • Wide input voltage range (2.4V to 5.5V) Extended battery life • High efficiency up to 95% Less power consumption • Low quiescent current of typ. 1μA • Low shutdown current of less than 100nA Supports a variety of end applications • Fixed output voltage range (1.2V to 3.6V) • Output current of 150mA Over–temperature protection and shutdown • Integrated temperature monitoring Cost effective, small package • 6-pin WL-CSP with 0.4mm pitch • 8-pin MLPD (2mm x 2mm) General Description |
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