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ISL97682IRTZ Fiches technique (PDF) - Intersil Corporation

ISL97682IRTZ Datasheet PDF - Intersil Corporation
No de pièce ISL97682IRTZ
Télécharger  ISL97682IRTZ Télécharger

Taille du fichier   525.76 Kbytes
Page   17 Pages
Fabricant  INTERSIL [Intersil Corporation]
Site Internet  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation
Description Compact 2-3-4-Ch LED Drivers with Phase Shift Control

ISL97682IRTZ Datasheet (PDF)

Go To PDF Page Télécharger Fiches technique
ISL97682IRTZ Datasheet PDF - Intersil Corporation

No de pièce ISL97682IRTZ
Télécharger  ISL97682IRTZ Click to download

Taille du fichier   525.76 Kbytes
Page   17 Pages
Fabricant  INTERSIL [Intersil Corporation]
Site Internet  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation
Description Compact 2-3-4-Ch LED Drivers with Phase Shift Control

ISL97682IRTZ Fiches technique (HTML) - Intersil Corporation

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ISL97682IRTZ Détails du produit

The ISL97682, ISL97683, ISL97684 are Intersil’s highly
integrated 2-3-4-channels LED drivers that are suitable for
medium size TFT-LCD backlights. These parts can drive multiple
channels of LEDs from inputs as low as 4V to outputs of up to
45V. They can also operate from inputs as low as 3V to outputs of
up to 26.5V in bootstrap configuration (see Figure 26 for 3V
operation).
The ISL97682, ISL97683, ISL97684 feature optional channels
phase shift control. This feature is used to minimize the input,
output ripple characteristics and load transient, which help
eliminate or reduce the video and audio noise interference from
the backlight driver operation.
The ISL97682, ISL97683, ISL97684 offer 8-bit PWM dimming for
systems that need frequency tuning flexibility. With the unique
adaptive boost switching architecture, the ISL97682, ISL97683,
ISL97684 also offer Direct PWM dimming with output, which
follows input and achieves linearity as low as 0.009% at 200Hz
or 1.35% at 30kHz.
The drivers incorporate dynamic headroom control that monitors
the highest LED forward voltage string and uses its feedback signal
for the minimum output regulation. The ISL97682, ISL97683,
ISL97684 incorporates extensive fault protection functions including
string open and short circuit detections, OVP, and OTP. The switching
frequency can be selected at either 600kHz or 1.0MHz in PFM or
PWM mode. These parts are available in the thin and compact
16 Ld 3mmx3mm TQFN package and operate in ambient
temperature from -40°C to +85°C.

Features
• ISL97682 - 2 x 100mA Channels
• ISL97683 - 3 x 50mA Channels
• ISL97684 - 4 x 50mA Channels
• Input Voltage 4.0V~26.5V with Max VOUT of 45V
• Input Voltage 3.0V (see Figure 26)~24V with Max VOUT of 26.5V
• PWM Dimming Linearity
- PWM Dimming with Adjustable Dimming Frequency with
Duty Cycle Linear from 0.4% to 100% <30kHz
- Direct PWM Dimming with Duty Cycle Linear from 0.009%
to 100% at 200Hz
• Current Matching of 0.7% typical from 1%~100% Dimming
• Selectable 600kHz or 1MHz Switching Frequency in PWM/PFM
Mode
• Dynamic Headroom Control
• Fault Protection
- String Open/Short Circuit Protections, OVP, OTP
• Thin and Compact TQFN-16 3mmx3mm Package

Applications
• Tablet to Notebook PC Displays LED Backlighting
• PMP LED Backlighting




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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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