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ISL97698IIZ-T Fiches technique (PDF) - Intersil Corporation

ISL97698IIZ-T Datasheet PDF - Intersil Corporation
No de pièce ISL97698IIZ-T
Télécharger  ISL97698IIZ-T Télécharger

Taille du fichier   722.6 Kbytes
Page   22 Pages
Fabricant  INTERSIL [Intersil Corporation]
Site Internet  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation
Description High Efficient 2-Channel White LED Driver for Smartphone Backlighting

ISL97698IIZ-T Datasheet (PDF)

Go To PDF Page Télécharger Fiches technique
ISL97698IIZ-T Datasheet PDF - Intersil Corporation

No de pièce ISL97698IIZ-T
Télécharger  ISL97698IIZ-T Click to download

Taille du fichier   722.6 Kbytes
Page   22 Pages
Fabricant  INTERSIL [Intersil Corporation]
Site Internet  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation
Description High Efficient 2-Channel White LED Driver for Smartphone Backlighting

ISL97698IIZ-T Fiches technique (HTML) - Intersil Corporation

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ISL97698IIZ-T Détails du produit

The ISL97698 is a highly integrated 2-channel LED driver for
white LED (WLED) backlit TFT-LCD panels. The device is
comprised of a synchronous boost converter and two low-side
current sinks that are capable of driving an output voltage up
to 23.5V and 25mA LED current, per string. The IC operates
from an input supply of 2.5V to 5.5V.
The driver features Dynamic Headroom Control that monitors
the highest LED forward voltage string to determine the
requested boost output voltage. With a controlled low 70mV
headroom voltage and low 0.35mA IC supply current, the
device provides very high efficiency.
The ISL97698 offers 8-bit linear or 11-bit logarithmic
controlled analog output current, with dimming control from a
PWM, SWIRE, or I2C interface. Internally, the PWM duty cycle,
SWIRE, and I2C digital inputs are converted to a DC LED
current. This analog dimming scheme provides high efficiency
and eliminates audible noise and PWM dimming related EMI
concerns. The ISL97698 also features Content Adaptive
Backlight Control (CABC), which uses the product of the PWM
and SWIRE, or PWM and I2C, or SWIRE and I2C inputs to
determine the LED string current. The I2C interface is also
used for configuration settings and fault detection. The
ISL97698 incorporates various protections including: open
circuit, short circuit, and thermal shutdown.
The device is offered in a 1.39mmx 1.69mm, 3x4 array
WLCSP package. It is specified for operation over the -40°C to
+85°C ambient temperature range

Features
• High Efficiency Operation:
- Up to 91% with 2P4S configuration
- Up to 90% with 2P6S configuration
• Extremely Low Supply Current (0.35mA)
• Dynamic Headroom Control
- Very low headroom voltage (70mV)
• 20mm2 Total Solution PCB Area
- Only three external components required
• Analog Dimming Control by PWM, SWIRE, or I2C
• 8-bit Linear or 11-bit Logarithmic Analog Output Current
Control
• Content Adaptive Backlight Control (CABC)
• Input Voltage from 2.5V to 5.5V
• 23.5V Maximum Output Voltage
• Drives 50µA to 25mA LED Strings
• Open Circuit and Short Circuit Fault Protection
• 12 Bump, 0.4mm Pitch Chip Scale Package

Applications
• WLED backlit LCD displays for Smartphones, digital
cameras, GPS, etc.




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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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