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ST1S09

STMicroelectronics
Part Number ST1S09
Manufacturer STMicroelectronics
Description 1.5 MHz PWM step-down switching regulator
Published Jan 12, 2009
Detailed Description ST1S09 2A, 1.5 MHz PWM step-down switching regulator with synchronous rectification Features ■ 1.5MHz fixed frequency P...
Datasheet PDF File ST1S09 PDF File

ST1S09
ST1S09

Overview
ST1S09 2A, 1.
5 MHz PWM step-down switching regulator with synchronous rectification Features ■ 1.
5MHz fixed frequency PWM with current control mode ■ 2A output current capability www.
DataSheet4U.
com ■ Typical efficiency: > 90% ■ ■ ■ ■ ■ ■ ■ ■ 2% DC output voltage tolerance Two versions available: Power Good or Inhibit Integrated output over-voltage protection Non switching quiescent current: (typ) 1.
5mA over temperature range RDSON (typ) 100mΩ Utilizes tiny capacitors and inductors Operating junction temp.
-30°C to 125°C Available in DFN6 3x3mm exposed pad Moreover, since the required synchronous rectifier is integrated, the number of the external components is reduced to minimum: a resis...


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