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S-8365 Dataheets PDF



Part Number S-8365
Manufacturers Seiko
Logo Seiko
Description 1.2 MHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
Datasheet S-8365 DatasheetS-8365 Datasheet (PDF)

S-8365/8366 Series STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or www.sii-ic.com PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER © SII Semiconductor Corporation, 2009-2015 Rev.2.1_01 The S-8365/8366 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 timer latch short-circuit protection circuit, a PWM control circuit (S-8365 Series) and a PWM / PFM sw.

  S-8365   S-8365



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S-8365/8366 Series STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM CONTROL or www.sii-ic.com PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER © SII Semiconductor Corporation, 2009-2015 Rev.2.1_01 The S-8365/8366 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 timer latch short-circuit protection circuit, a PWM control circuit (S-8365 Series) and a PWM / PFM switching control circuit (S-8366 Series). With an external low-ON-resistance Nch Power MOS FET, this product is ideal for applications requiring high efficiency and a high output current. The S-8365 Series efficiently works on voltage’s condition of large I/O difference due to the PWM control circuit linearly varies the duty ratio to 90%. During light-load, the S-8366 Series switches its operation to the PFM control by the PWM / PFM switching control circuit in order to prevent efficiency decl.



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