Part Name
ST1S09PU
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PDF
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MFG CO.
STMicroelectronics
ST1S09PU Datasheet - STMicroelectronics
STMicroelectronics
Description
The ST1S09 is a step-down DC-DC converter optimized for powering low output voltage applications. It supplies a current in excess of 2A over an input voltage range from 2.7V to 6V.
A high PWM switching frequency (1.5MHz) allows the use of tiny surface-mount components.
FEATUREs
■ 1.5MHz fixed frequency PWM with current control mode
■ 2A output current capability
■ 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
Part Name
Description
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