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ISL6334DIRZ Fiches technique (PDF) - Intersil Corporation

ISL6334DIRZ Datasheet PDF - Intersil Corporation
No de pièce ISL6334DIRZ
Télécharger  ISL6334DIRZ Télécharger

Taille du fichier   778.66 Kbytes
Page   28 Pages
Fabricant  INTERSIL [Intersil Corporation]
Site Internet  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation
Description VR11.1, 4-Phase PWM Controller with Phase Dropping, Droop Disabled and Load Current Monitoring Features

ISL6334DIRZ Datasheet (PDF)

Go To PDF Page Télécharger Fiches technique
ISL6334DIRZ Datasheet PDF - Intersil Corporation

No de pièce ISL6334DIRZ
Télécharger  ISL6334DIRZ Click to download

Taille du fichier   778.66 Kbytes
Page   28 Pages
Fabricant  INTERSIL [Intersil Corporation]
Site Internet  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation
Description VR11.1, 4-Phase PWM Controller with Phase Dropping, Droop Disabled and Load Current Monitoring Features

ISL6334DIRZ Fiches technique (HTML) - Intersil Corporation

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ISL6334DIRZ Détails du produit

The ISL6334D controls voltage regulator by driving up to 4
interleaved synchronous-rectified buck channels in parallel.
This multiphase architecture results in multiplying channel
ripple frequency and reducing input and output ripple currents.
Lower ripple results in fewer components, lower cost, reduced
power dissipation, and smaller implementation area.
Microprocessor loads can generate load transients with
extremely fast edge rates and requires high efficiency at light
load. The ISL6334D utilizes Intersil’s proprietary Active
Pulse Positioning (APP), Adaptive Phase Alignment (APA)
modulation scheme, active phase adding and dropping to
achieve and maintain the extremely fast transient response
with fewer output capacitors and high efficiency from light to
full load.
The ISL6334D is designed to be completely compliant with
Intel VR11.1 specifications. It accurately reports the load
current via IMON pin to the microprocessor, which sends an
active low PSI# signal to the controller at low power mode.
The controller then enters 1- or 2-phase operation with diode
emulation option to reduce magnetic core and switching
losses, yielding high efficiency at light load. After the PSI#
signal is de-asserted, the dropped phase(s) are added back
to sustain heavy load transient response and efficiency.
The ISL6334D senses the output current continuously by
utilizing patented techniques to measure the voltage across the
dedicated current sense resistor or the DCR of the output
inductor. Current sensing circuits also provide the needed
signals for channel-current balancing, average overcurrent
protection and individual phase current limiting. An NTC
thermistor’s temperature is sensed via the TM pin and internally
digitized for thermal monitoring and for integrated thermal
compensation of the current sense elements.
A unity gain, differential amplifier is provided for remote voltage
sensing and completely eliminates any potential difference
between remote and local grounds. This improves regulation
and protection accuracy. The threshold-sensitive enable input is
available to accurately coordinate the start-up of the ISL6334D
with any other voltage rail. Dynamic VID™ technology allows
seamless on-the-fly VID changes. The offset pin allows
accurate voltage offset settings that are independent of VID
setting.

Features
• Intel VR11.1 compliant with droop disabled
• Proprietary active pulse positioning (APP) and adaptive
phase alignment (APA) modulation scheme
• Proprietary active phase adding and dropping for high light
load efficiency
• Precision multiphase core voltage regulation
- Differential remote voltage sensing
- ±0.5% closed-loop system accuracy over load, line and
temperature
- Bi-directional, adjustable reference-voltage offset
• Precision resistor or DCR differential current sensing
- Accurate channel-current balancing
- Accurate load current monitoring via IMON pin
• Microprocessor voltage identification input
- Dynamic VID™ technology for VR11.1 requirement
- 8-Bit VID, VR11 compatible
• Average overcurrent protection and channel current limit
• Precision overcurrent protection on IMON pin
• Thermal monitoring and overvoltage protection
• Integrated programmable temperature compensation
• Integrated open sense line protection
• 1- to 4-phase operation, coupled inductor compatibility
• Adjustable switching frequency up to 1MHz per phase
• Package option
- QFN compliant to JEDEC PUB95 MO-220 QFN - quad
flat no leads - product outline
• Pb-free (RoHS compliant)




Numéro de pièce similaire - ISL6334DIRZ

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ISL6334DIRZ INTERSIL-ISL6334DIRZ Datasheet
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Description similaire - ISL6334DIRZ

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À propos de Intersil Corporation


Intersil Corporation était une société américaine de semi-conducteurs spécialisée dans la conception et la fabrication de circuits intégrés analogiques et de signaux mixtes à haute performance.
L'entreprise a été fondée en 1967 et était connue pour son expertise en matière de gestion de l'alimentation, de conversion des données et de technologies de radiofréquence (RF).
Les produits d'Intersil ont été utilisés dans un large éventail d'applications telles que l'électronique grand public, l'industrie, les télécommunications et l'aérospatiale et la défense.
En 2016, Intersil a été acquis par Renesas Electronics Corporation, une société de semi-conducteurs japonaise.
La marque et la technologie Intersil continuent d'être développées et vendues dans le cadre du portefeuille de produits de Renesas.

*Ces informations sont fournies à titre informatif uniquement, nous ne serons pas responsables des pertes ou dommages causés par les informations ci-dessus.




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