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ISL97671AIRZ Datasheet (PDF) - Intersil Corporation

ISL97671AIRZ Datasheet PDF - Intersil Corporation
Part # ISL97671AIRZ
Download  ISL97671AIRZ Download

File Size   922.99 Kbytes
Page   28 Pages
Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation
Description 6-Channel SMBus/I2C or PWM Dimming LED Driver with Phase Shift Control

ISL97671AIRZ Datasheet (PDF)

Go To PDF Page Download Datasheet
ISL97671AIRZ Datasheet PDF - Intersil Corporation

Part # ISL97671AIRZ
Download  ISL97671AIRZ Click to download

File Size   922.99 Kbytes
Page   28 Pages
Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation
Description 6-Channel SMBus/I2C or PWM Dimming LED Driver with Phase Shift Control

ISL97671AIRZ Datasheet (HTML) - Intersil Corporation

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ISL97671AIRZ Product details

The ISL97671A is a 6-Channel 45V dual dimming capable LED
driver that can be used with either SMBus/I2C or PWM signal
for dimming control. The ISL97671A can drive six channels of
LEDs from an input of 4.5V~26.5V to an output of up to 45V. It
can also operate from an input as low as 3V to an output of up
to 26.5V in bootstrap configuration (see Figure 38).
The ISL97671A features optional channel phase shift control
to minimize the input: output ripple characteristics and load
transients to improve efficiency and eliminate audible noise.
The device can also be configured in Direct PWM Dimming
with minimum dimming duty cycle of 0.007% at 200Hz.
The ISL97671A headroom control circuit monitors the highest
LED forward voltage string for output regulation, to minimize
the voltage headroom and power loss in a typical multi-string
operation.
The ISL97671A is offered in compact and thermally efficient
20 Ld QFN 4mmx3mm package.

Features
• 6 x 50mA channels
• 4.5V to 26.5V input with max 45V output
• 3V (see Figure 38) to 21V input with max 26.5V output
• PWM dimming with phase shift control
• SMBus/I2C controlled PWM or DC dimming
• Direct PWM dimming
• PWM dimming linearity
- PWM dimming with adjustable dimming frequency and
duty cycle linear from 0.4% to 100% <30kHz
- Direct PWM dimming duty cycle linear from 0.007% to
100% at 200Hz
• Current matching ±0.7%
• 600kHz/1.2MHz selectable switching frequency
• Dynamic headroom control
• Fault protection
- String open/short circuit, OVP, OTP, and optional output
short circuit fault protection
• 20 Ld 4mmx3mm QFN package.

Applications
• Tablet PC to notebook displays LED backlighting
• LCD monitor LED backlighting
• Field sequential RGB LED backlighting




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About Intersil Corporation


Intersil Corporation was an American semiconductor company that specialized in the design and manufacture of high-performance analog and mixed-signal integrated circuits.
The company was founded in 1967 and was known for its expertise in power management, data conversion, and radio frequency (RF) technologies.
Intersil's products were used in a wide range of applications such as consumer electronics, industrial, telecommunications, and aerospace and defense.
In 2016, Intersil was acquired by Renesas Electronics Corporation, a Japanese semiconductor company.
The Intersil brand and technology continue to be developed and sold as part of Renesas' portfolio of products.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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