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ON Semiconductor - 9-channel LED Driver

Numéro de référence LV5237JA
Description 9-channel LED Driver
Fabricant ON Semiconductor 
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LV5237JA fiche technique
LV5237JA
Advance Information
Bi-CMOS IC
9-channel LED Driver
www.onsemi.com
Overview
The LV5237JA is a 9-channel LED driver IC that is capable of switching
between constant-current output and open drain output. Peak output current is
IO max=100mA. It enables 2-wire/3-wire serial bus control (address
designation) to be set arbitrarily using an external pin. Also possible are
9-channel LED ON/OFF control and the setting of the PWM luminance in
256 steps.
Up to 81 driver ICs can be connected using the slave address setting pins.
Function
SSOP24 (225mil)
9-channel output constant-current LED driver/open drain
output LED driver (selected by using an external pin)
Supports separate ON/OFF setting for each LED output,
high withstand voltage (VOUT<42V)
In the constant-current mode (OUTSCT: L), the reference
current is set by the value of resistor connected to the
external pin (RT1).
Built-in D/A (5 bits) for switching current level
… 0.86mA to 31.24mA (RGB drive)
Constant current (IO max=100mA) for full-color
LEDs 9 channels
In the open drain mode (OUTSCT: H), high current drive
(IO max=100mA) 9 channels
In the constant-current mode (OUTSCT: M)
Only RGB3 is open drain (IO max=100mA)
Luminance adjustment using internal PWM control (256 steps), It copes with independent PWM control for each
LED output
8-bit PWM luminance dimming (0% to 99.6%)
3-phase PWM
Selection of 2-wire/ 3-wire serial bus control signals enabled (switching using an external pin)
Schmitt trigger input (3.3V/5V)
Slave addressing (4 bits, connection of up to 81 driver ICs possible)
Input Power supply supports 12V
Internal reference output terminal (5V)
Low current consumption
Output malfunction protection circuits (thermal protection function, UVLO detection protection function, Power
on RESET)
This document contains information on a new product. Specifications and information
herein are subject to change without notice.
ORDERING INFORMATION
See detailed ordering and shipping information on page 23 of this data sheet.
© Semiconductor Components Industries, LLC, 2014
November 2014 - Rev. P0
1
Publication Order Number :
LV5237JA/D

PagesPages 23
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