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ALT80600KESJSR

LED Driver, Boost, SEPIC, AEC-Q100, 4 Outputs, 4.5V to 40V In, 120mA Out, 2.3MHz, QFN-24

ALLEGRO MICROSYSTEMS ALT80600KESJSR
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Manufacturer Part No:
ALT80600KESJSR
Order Code:
2859372
Technical Datasheet:
ALT80600KESJSR   Datasheet
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Product Information

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:
Boost, SEPIC

:
4.5V

:
40V


:
120mA

:
2.3MHz

:
4Outputs

:
Surface Mount

:
QFN

:
24Pins

:
-40°C

:
125°C


:
AEC-Q100

:
MSL 1 - Unlimited

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Technical Documents (2)

CAD Downloads

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Terms and Conditions

CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
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Product Overview

The ALT80600 is a multi-output LED driver for small-size LCD backlighting. It integrates a current-mode boost converter with internal power switch and four current sinks. The boost converter can drive up to 44 white LEDs, 11 LED per string, at 120 mA (VF = 3.3 V max). LED sinks can be paralleled together to achieve higher currents up to 480 mA. The ALT80600 operates from single power supply from 4.5 to 40 V; once started, it can continue to operate down to 3.9 V. This allows the part to withstand stop/start, cold crank, and load dump conditions encountered in automotive systems.
  • Wide input voltage range of 4.5 to 40 V for start/stop, cold crank, and load dump requirements
  • Fully integrated LED current sinks and boost converter with internal power MOSFET
  • Operate in Boost or SEPIC mode for flexible output
  • Drives up to 11 series white LED in 4 parallel strings, at up to 120 mA per string (VF = 3.3 V max).
  • Programmable boost switching frequency or sync externally from 200 kHz to 2.3 MHz
  • Clock-Out feature for internal switching frequency
  • Adjustable boost frequency dithering to reduce EMI
  • Advanced control allows minimum PWM on-time down to 0.3 µs, and avoids MLCC audible noises
  • LED contrast ratio: 15,000:1 at 200 Hz using PWM dimming alone, 150,000:1 when combining PWM and analog dimming

Applications

Lighting, Automotive

Warnings

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.
Packaging type Cut Tape

Available for back order

More stock available to supplier lead times which is approximately 27/11/23

Due to market conditions delivery times are for general guidance only and may be subject to change at short notice

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