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S-8356 Datasheet Pwm/pfm Switchable Switching Regulator Controller

Manufacturer: Seiko Instruments

Overview: S-8355/56/57/58 Series STEP-UP, SUPER-SMALL PACKAGE, 600 kHz, PWM CONTROL or .sii-ic. 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 pensation 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. The S-8355/57 Series realizes low ripple, high efficiency, and excellent transient characteristics due to its PWM control circuit whose duty ratio can be varied linearly from 0 to 83% (from 0 to 78% for 250 kHz, 300 kHz, and 600 kHz models), an excellently designed error amplifier and a phase pensation circuits.

This datasheet includes multiple variants, all published together in a single manufacturer document.

Key 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.

S-8356 from other manufacturers

Brand Logo Part Number Description Other Manufacturers
ABLIC Logo S-8356 Switching Regulators ABLIC

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S-8356 Distributor