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Part Number LM3352
Manufacturers National Semiconductor
Logo National Semiconductor
Description Regulated 200 mA Buck-Boost Switched Capacitor DC/DC Converter
Datasheet LM3352 DatasheetLM3352 Datasheet (PDF)

  LM3352   LM3352
LM3352 Regulated 200 mA Buck-Boost Switched Capacitor DC/DC Converter September 1999 LM3352 Regulated 200 mA Buck-Boost Switched Capacitor DC/DC Converter General Description The LM3352 is a CMOS switched capacitor DC/DC converter that produces a regulated output voltage by automatically stepping up (boost) or stepping down (buck) the input voltage. It accepts an input voltage between 2.5V and 5.5V. The LM3352 is available in three standard output voltage versions: 2.5V, 3.0V and 3.3V. If other output voltage options between 1.8V and 4.0V are desired, please contact your National Semiconductor representative. The LM3352’s proprietary buck-boost architecture enables up to 200 mA of load current at an average efficiency greater than 80%. Typical operating current is only 400 µA and the typical shutdown current is only 2.5 µA. The LM3352 is available in a 16-pin TSSOP package. This package has a maximum height of only 1.1 mm. The high efficiency of the LM3352, low operating and shutdown.



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