S-8355 PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER

Seiko Instruments

Description

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 © SI.

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Datasheet Specifications

Part number: S-8355
Manufacturer: Seiko Instruments
File Size: 1.51 MB
Datasheet: S-8355_SeikoInstruments.pdf
Description: PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER

Features

* a PWM/PFM switching controller that can switch the operation to a PFM controller with a duty ratio is 15% under a light load to prevent a decline in the efficiency due to the IC operating current.
* Features
* Low voltage operation : Startup at 0.9 V min. (IOUT = 1 mA) guaranteed

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 ex

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S-8355 PWM PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER Seiko Instruments

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