Product Information

IS31BL3229-QFLS2-TR

Product Image X-ON

Datasheet
LED Lighting Drivers 8-ch charge-pump LED Driver

Manufacturer: ISSI
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)

1: USD 0.8926 ea
Line Total: USD 0.8926

2227 - Global Stock
Ships to you between
Tue. 20 Jun to Thu. 22 Jun
MOQ: 1  Multiples: 1
Pack Size: 1
Availability Price Quantity
2227 - Global Stock


Ships to you between Tue. 20 Jun to Thu. 22 Jun

MOQ : 1
Multiples : 1
1 : USD 0.7535
10 : USD 0.6588
100 : USD 0.4746
250 : USD 0.4449
500 : USD 0.3856
1000 : USD 0.3173
2500 : USD 0.2823
5000 : USD 0.2662

     
Manufacturer
ISSI
Product Category
LED Lighting Drivers
Series
Is31bl3229
Mounting Style
Smd/Smt
Package / Case
QFN - 20
Output Current
200 mA
Operating Frequency
1 MHz
Minimum Operating Temperature
- 40 C
Maximum Operating Temperature
+ 85 C
Packaging
Tube
Input Voltage
2.7 v to 5.5 V
Brand
ISSI
Supply Current - Max
2 mA
Factory Pack Quantity :
2500
Number Of Channels
8 Channel
Cnhts
8542319000
Hts Code
8542320051
Mxhts
85423201
Product Type
Led Lighting Drivers
Subcategory
Driver Ics
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IS31BL3229 8-LED BACKLIGHT DRIVER July 2021 GENERAL DESCRIPTION FEATURES The IS31BL3229 with a smart charge-pump circuit is a Supply voltage: 2.7V ~ 5.5V parallel white-LED driver with eight matched 20mA 1X, 1.5X operating mode current outputs. It can supply a total output current of fade in and fade out mode 160mA over an input voltage range of 2.7V to 5.5V. Output current can be 25mA 32 current level and PWM intensity control IS31BL3229 typically draws less than 1A when placed Low input current ripple, low EMI in shutdown, and 0.7mA when operating in the no-load 90% high efficiency and 1X mode condition. If any of the outputs are not used, leave the pin(s) unconnected. Brightness can be No inductors, low noise operation controlled by simple-series-control techniques and Over voltage protection on output external PWM signal. Built-in thermal protection Automatic soft start IS31BL3229 is available in QFN-20 (3mm 3mm). It Built-in thermal protection operates from 2.7V to 5.5V over the temperature range QFN-20 (3mm 3mm ) package of -40C to +85C. APPLICATIONS Cell phone, smart phone, PDA Mp3, Mp4, PMP White LED backlighting TYPICAL APPLICATION CIRCUIT Figure 1 Typical Application Circuit Note 1: PWM pin should be pulled high if modulated by EN pin only. EN pin should be pulled high if modulated with PWM pin only. Please refer to Page 8 for detail information. Note 2: The fade in and fade out mode is only available when shut down and enable the IC by EN pin. Note 3: D1 must be connected and others can be floating in less than 8 LEDs application. Note 4: The IC should be placed far away from the mobile antenna in order to prevent the EMI. Lumissil Microsystems www.lumissil.com 1 Rev.B, 07/15/2021 IS31BL3229 PIN CONFIGURATION Package Pin Configuration (Top View) QFN-20 PIN DESCRIPTION No. Pin Description 1 NC No connection. Power supply input, requires 0.1F and 1F capacitor 2 VCC connect between this pin and ground pin. 3 CP2 Flying capacitor positive terminal 2. 4 CN2 Flying capacitor negative terminal 2. Shutdown and output current control pin. Pull low to 5 EN shutdown the IC. PWM control pin. Adjust the LED intensity by PWM duty 6 PWM cycle. Pull low at least 128ms (Typ.), the IC should be shutdown. External resistor for bias current. 7 RSET I 1.25 /R 1600 MAX SET Option pin. Floating to operating in FIFO mode. Pull low to 8 OPT disable FIFO. 9 GND Ground. White LED channel 8~1. D1 must be connected and 10~17 D8~D1 others can be floating in less than 8 LEDs application. Charge pump output to drive load circuits, Requires 1F 18 OUT capacitor connected between this pin and ground pin. 19 CP1 Flying capacitor positive terminal 1. 20 CN1 Flying capacitor negative terminal 1. Thermal Pad Connect to GND. Lumissil Microsystems www.lumissil.com 2 Rev.B, 07/15/2021 PWM 6 20 CN1 RSET 7 19 CP1 OPT 8 18 OUT GND 9 17 D1 D8 10 16 D2

Tariff Desc

8542.39.23 No ..Linear/analogue and peripheral integrated circuits, timers, voltage regulators, A/D and D/A converters, telecommunication and modem integrated circuits, other than board level products Free

Electronic integrated circuits- Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
Integrated Silicon Solution
Integrated Silicon Solution ()
Integrated Silicon Solution (ISSI)
INTEGRATED SILICON SOLUTIONS INC
ISSI
ISSI(Integrated Silicon Solution)
ISSI, Integrated Silicon Solution Inc
Lumissil