The internal control circuit offers the following benefits. Oscillator sectionpwm comparator sectionovertemperature sectionsymbolparameter datasheet search, datasheets, datasheet search site for electronic components and. The main specification is related to the cost of the power. For this purpose, an hysteresis comparator monitors the datasheet search, datasheets, datasheet search site for electronic. Low power offline switchedmode power supply primary switcher. Viper12a datasheet, viper12a pdf, viper12a data sheet, datasheet, data sheet, pdf home all manufacturers by category part name, description or manufacturer contain. Also provides a charging current during start up thanks to a highvoltage current source connected to the drain. Pdf an1916 viper1222a viper12a viper22a viper22a led driver viper22a transformer design st viper 22a viper12a led driver an1916 zener diode 4. The main specification is related to the cost of the power converter. Pdf an74 viper12a viper12a, viper12 design viper12a application note zener diode 5. February 2006 rev1 120 20 viper22adip e viper22as e low power offline smps primary switcher features fixed 60khz switching frequency 9v to 38v wide range vdd voltage current mode control auxiliary undervoltage lockout with hysteresis high voltage startup current source overtemperature, overcurrent and overvoltage protection with autorestart. This is the case when the vdd voltage has reached vddon and remains above v ddoff.
Viper12a pdf, viper12a description, viper12a datasheets. Viper12a datasheet pdf, viper12a data sheet, viper12a. Thermal data symbol parameter so8 dip8 unit rthjc thermal resistance junctioncase max 25 15 cw rthja thermal resistance ambientcase 1 1. Our cookies are necessary for the operation of the website, monitoring site performance and to. Viper12adip viper12as215pin functioncurrent and voltage conventionsconnection diagramnamefunctionvddpower supply of the control circuits. This parameter applies when the start up current source is off. Viper12a e fixed frequency off line converter, viper12adipe, viper12astre, viper12ase. Viper12a e electrical data doc id 11977 rev 2 321 1 electrical data 1. R2 receives this current and the current coming from the fb pin. Low power off line smps primary switcher, viper12a datasheet, viper12a circuit, viper12a data sheet. It transforms data centers by increasing agility, futureproofing infrastructure and reducing costs. The viper12a is a smps controller ic that consists of a pwm controller with a power mosfet.
February 2017 docid022794 rev 2 128 this is information on a product in full production. Viper22ae, viper22adipe, viper22ase operations doc id 12050 rev 2 921 the power mosfet delivers a sense current i s which is proportional to the main current id. Nonisolated power supply viper12a viper22a desinger. Operating temperature case operating temperature storage temperature see note 1 see note 2.
Note when the viper12a u1 is on, energy is stored in the primary winding of. A custom ferrite inductor must be used in case of high output power. The voltage across r2 is then compared to a fixed reference voltage of about 0. Capacitance reduction and isolation mass storage, work. Data sheet pure storage flasharrayx accelerate core applications and provide a modern data experience. Viper22adip viper22as 315 absolute maximum ratings note. Nonisolated power supply viper12a viper22a desinger electronics software tools, smps circuits.
When mounted on a standard singlesided fr4 board with 200 mm. Figure 8 presents a secondary feedback throughan optocoupler driven by a tsm101. Viper12 datasheet, viper12 pdf, viper12 data sheet, viper12 manual, viper12 pdf, viper12, datenblatt, electronics viper12, alldatasheet, free, datasheet, datasheets. Oscillator sectionpwm comparator sectionovertemperature sectionsymbolparameter datasheet search, datasheets, datasheet. Viper12a datasheetpdf guangdong kexin industrial co. Viper12a datasheet off line smps primary switcher st. Mouser electronics uses cookies and similar technologies to help deliver the best experience on our site. Mains type european 265 vac us wide range 265 vac so8 dip8. Datasheet no part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, for any purpose, without the express written permission of marvell.
The inductor is used for energy storage, and its selection depends on the output power and on the power switch. Oracle data sheet oracle exadata database machine x82 connects all servers and storage the oracle exadata database machine is engineered to deliver dramatically better performance, cost effectiveness, and availability for oracle databases. These test conditions obtained with a resistive load are leading to the maximum conduction time of the device. The storagetek sl150 modular tape librarys base module provides up to 360 tb with storagetek lto 8 halfheight tape drives and each expansion module adds an additional 360 tb of capacity as your storage needs grow.
Netapp fas8000 series quickly respond to changing storage needs across flash, disk, and cloud with industryleading data management the challenge enabling the datadriven business as the role of technology has expanded to cover key business operations as well as backoffice functions, it leaders have had to rethink the way they architect storage. Low power offline switchedmode power supply primary. Viper12a equivalent datasheet, cross reference, circuit and application notes in pdf format. Suse enterprise storage an intelligent softwaredefined storage management solution, powered by ceph technology, that enables organizations to deliver a unified, highly scalable, resilient and enterprisegrade storage infrastructure that is able to seamlessly adapt to changing business and data demands. The viper12a combines a dedicated current mode pwm controller with a. Viper12a e low power offline switchedmode power supply primary switcher features. Pdf an1916 viper1222a viper12a viper22a viper22a transformer design viper22a application note st viper 22a viper 22a application notes viper22a not isolated viper 22 led driver viper22a tsm103 application. Absolute maximum ratings are those values beyond which damage to. Using a viper12based power supply to replace a wall. Viper12a datasheet off line smps primary switcher st, viper12a pdf, viper12a pinout, viper12a equivalent, data, circuit, output, ic, viper12a schematic. This deviceoffers two operational amplifiers and a voltage datasheet search, datasheets, datasheet. Low cost power supplies using viper12a in non isolated applications n. Viper12a datasheet low power off line smps primary switcher.
For this purpose, an hysteresis comparator monitors the datasheet search, datasheets, datasheet search site for electronic components and. Viper12ase stmicroelectronics acdc converters 700v 0. Storedgetm single phase inverter for north america single inverter for pv, gridtied storage and backup power includes the hardware required to provide automatic backup power to. Santori introduction the industrial field is asking for an increasing number of low power low voltage applications both in isolated and non isolated topology. If the checkbox is invisible, the corresponding document cannot be downloaded in batch. The viper12a combines a dedicated current mode pwm controller with a high voltage power mosfet on the same silicon chip. Viper12a datasheet, viper12a datasheets, viper12a pdf, viper12a circuit. Stmicroelectronics low power off line smps primary switcher,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated. The output voltage is regulated with a tl431 u3 via an optocoupler u2 to the feedback pin. When the viper12a u4 is on, energy is stored in the primary winding of transformer 108. Kexin, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors.
Viper12adip viper12as415electrical characteristics tj25c, vdd18v, unless otherwise specifiedsupply sectionnote. Large input voltage, order to store the charge required by the viper12a and to properly supply the device. Datasheet at a glance hyperconverged infrastructure hci converges compute, storage and storage networking resources on industrystandard x86 servers, and uses software to abstract and pool cluster resources with unified management software. Viper12a datasheet, viper12a pdf, viper12a data sheet, viper12a manual, viper12a pdf, viper12a, datenblatt, electronics viper12a, alldatasheet, free, datasheet. Viper12a smps buck regulator ic pinout, datasheet, features.
When a viper12a is used as a power switch, a minimum dc input voltage i. Viper22a datasheet, cross reference, circuit and application notes in pdf format. Both topologies use an inductor for energy storage, charged during the turnon of. Viper22a equivalent datasheet, cross reference, circuit and application notes in pdf format. Viper12adip viper12as 315 absolute maximum ratings note. Rectangular ui output characteristics for battery chargerrectangular ui outputcharacteristica complete regulation scheme can achievecombined and accurate output characteristics. Viper22a application note datasheet, cross reference. Exadata features a modern cloudenabled architecture with scaleout high. The output voltage ripple is controlled with the capacitor, c7, with an additional lc pi filter configuration made up of l4 and c8. It is designed for low current and powermedium voltageand can operate at. Stmicroelectronics, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Energy saving high voltage converter for direct feedback. Viper06 energy saving high voltage converter for direct feedback.
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