LED Driver IC 12 Output Linear I2C, PWM Dimming 42mA 40-QFN (5x5)
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IS31FL3737B-QFLS4-TR

DigiKey Part Number
2521-IS31FL3737B-QFLS4-TR-ND - Tape & Reel (TR)
2521-IS31FL3737B-QFLS4-CT-ND - Cut Tape (CT)
2521-IS31FL3737B-QFLS4-DKR-ND - Digi-Reel®
Manufacturer
Manufacturer Part Number
IS31FL3737B-QFLS4-TR
Description
IC LED DRVR LIN I2C 42MA 40QFN
Manufacturer Standard Lead Time
20 Weeks
Customer Reference
Detailed Description
LED Driver IC 12 Output Linear I2C, PWM Dimming 42mA 40-QFN (5x5)
Datasheet
 Datasheet
EDA/CAD Models
IS31FL3737B-QFLS4-TR Models
Product Attributes
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Category
Current - Output / Channel
42mA
Manufacturer
Lumissil Microsystems
Frequency
1MHz
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Dimming
I2C, PWM
Part Status
Active
Applications
General Purpose
Type
Linear
Operating Temperature
-40°C ~ 125°C (TA)
Internal Switch(s)
No
Mounting Type
Surface Mount
Number of Outputs
12
Package / Case
40-WFQFN Exposed Pad
Voltage - Supply (Min)
2.7V
Supplier Device Package
40-QFN (5x5)
Voltage - Supply (Max)
5.5V
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
In-Stock: 0
2,500 estimated in stock on 08-Mar-2027
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All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$2.16000$2.16
10$1.60000$16.00
25$1.45920$36.48
100$1.30440$130.44
250$1.23056$307.64
500$1.18604$593.02
1,000$1.14939$1,149.39
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
2,500$1.05324$2,633.10
5,000$1.03091$5,154.55
7,500$1.01974$7,648.05
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.