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S-8357 - PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER

Download the S-8357 datasheet PDF. This datasheet also covers the S-8355 variant, as both devices belong to the same pwm/pfm switchable switching regulator controller family and are provided as variant models within a single manufacturer datasheet.

Features

  • Low voltage operation : Startup at 0.9 V min. (IOUT = 1 mA) guaranteed.
  • Low current consumption : During operation 25.9 μA (3.3 V, 100 kHz, typ. ) During shutdown 0.5 μA (max. ).
  • Duty ratio : Built-in PWM/PFM switching control circuit (S-8356/58 Series) 15 to 83% (100 kHz models) 15 to 78% (250 kHz, 300 kHz, and 600 kHz models).
  • External parts : Coil, diode, capacitor, and transistor.
  • Output voltage : Selectable in 0.1 V steps between 1.5 and 6.5 V (f.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (S-8355_SeikoInstruments.pdf) that lists specifications for multiple related part numbers.

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
S-8355/56/57/58 Series STEP-UP, SUPER-SMALL PACKAGE, 600 kHz, PWM CONTROL or www.sii-ic.com PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER © SII Semiconductor Corporation, 2002-2015 Rev.8.1_01 The S-8355/56/57/58 Series is a CMOS step-up switching regulator controller which mainly consists of a reference voltage source, an oscillation circuit, an error amplifier, a phase compensation circuit, a PWM control circuit (S-8355/57 Series) and a PWM/PFM switching control circuit (S-8356/58 Series). With an external low-ON-resistance Nch Power MOS, this product is ideal for applications requiring high efficiency and a high output current.
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