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IS31FL3235-QFLS2-TR

Description
LED Driver,
CategoryDrivers and interfaces   
File Size353KB,13 Pages
ManufacturerIntegrated Silicon Solution ( ISSI )
Environmental Compliance
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IS31FL3235-QFLS2-TR Overview

LED Driver,

IS31FL3235-QFLS2-TR Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerIntegrated Silicon Solution ( ISSI )
package instructionHVQCCN,
Reach Compliance Codecompliant
ECCN codeEAR99
Factory Lead Time12 weeks
Samacsys DescriptionLED Lighting Drivers LED Driver 36-channel
data entry modeSERIAL
Interface integrated circuit typeLED DISPLAY DRIVER
JESD-30 codeS-XQCC-N36
length4 mm
Number of functions1
Number of segments28
Number of terminals36
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialUNSPECIFIED
encapsulated codeHVQCCN
Package shapeSQUARE
Package formCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Maximum seat height0.8 mm
Maximum supply voltage5.5 V
Minimum supply voltage2.7 V
Nominal supply voltage3.6 V
surface mountYES
Temperature levelINDUSTRIAL
Terminal formNO LEAD
Terminal pitch0.4 mm
Terminal locationQUAD
Maximum time at peak reflow temperatureNOT SPECIFIED
width4 mm
minfmax0.4 MHz
Base Number Matches1
IS31FL3235
28 CHANNELS LED DRIVER
October 2012
GENERAL DESCRIPTION
IS31FL3235 is comprised of 28 constant current
channels each with independent PWM control,
designed for driving LEDs. The output current of each
channel can be set at up to 38mA (Max.) by an external
resistor and independently scaled by a factor of 1, 1/2,
1/3 and 1/4. The average LED current of each channel
can be changed in 256 steps by changing the PWM
duty cycle through an I2C interface.
The chip can be turned off by pulling the SDB pin low or
by using the software shutdown feature to reduce
power consumption.
IS31FL3235 is available in QFN-36 (4mm × 4mm)
package. It operates from 2.7V to 5.5V over the
temperature range of -40°C to +85°C.
FEATURES
2.7V to 5.5V supply
I2C interface, automatic address increment
function
Internal reset register
Modulate LED brightness with 256 steps PWM
Each channel can be controlled independently
Each channel can be scaled independently by 1,
1/2, 1/3 and 1/4
ESD HBM 8kV
-40°C to +85°C temperature range
QFN-36 (4mm × 4mm) package
APPLICATIONS
Mobile phones and other hand-held devices for
LED display
LED in home appliances
TYPICAL APPLICATION CIRCUIT
Figure 1
Typical Application Circuit
Note:
The maximum global output current is set up to 23mA when R
EXT
= 3.3kΩ. The maximum global output current can be set by external
resistor, R
EXT
. Please refer to the detail information in Page 10.
Note:
The IC should be placed far away from the mobile antenna in order to prevent the EMI.
Integrated Silicon Solution, Inc. – www.issi.com
Rev. A, 10/17/2012
1
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