A8131 Buck LED driver IC overview

Description

Manufacturer
 
Category
Sub-Category

A8131 is a sync DC/DC Buck LED driver IC from . Maximum input voltage is 6.0 V and it drives an output current of up to 0.80 A. Assuming a typical 3.5V LED forward voltage A8131 can drive up to 1 LED in series.

The LED Buck driver IC features fixed 1400 kHz switching frequency, a feedback voltage of 0.10 V and requires a typical inductor size of 2.2 uH. This combination results in a peak efficiency of ~92 %. A8131 comes in 1 package option(s) - SOT25-5 .

Parameter and feature overview

ParameterValueReplacement
Search Filter
Nr. of Channel 1
V-IN min. 2.0 V
V-IN max. 6.0 V
Nr.of LEDs max. 1
I-OUT? 0.80 A
MOSFET intern
ext.clock sync. no
sync/non-sync sync
Frequency typ. 1400 kHz
Frequency adjustable fixed
Frequency min.
Frequency max.
Softstart no
Softstart adjustable no
Quiescent current max. -200 uA
Operating min. -40 °C
Operating max. -85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size 2.2 uH
Inductor suggested by Würth Elektronik inductive
Feedback Voltage 0.10 V
Automotive AEC-Q100 no
Topology Buck
Peak Efficiency 92 %
Component count min. 4
DC Dimming no
PWM Dimming no
digital dimming no
Nr. of package options 1
SC70
SOT SOT25-5
MSOP
QFN/DFN
SO/SOIC
SOP
DIP
TO
Variation
LED temperature compensation

A8131 Datasheet

Link to the most up-to-date A8131 datasheet and the product page for EVM, tools and support information.

A8131

A8131 inventory, samples and price

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with A8131 stock available

Available Distributors with stock: 0

no online Distributor with A8131 stock available

Equivalents and alternatives

The following DC/DC LED Buck driver are similar to A8131. Optional, compare A8131 side-by-side with other LED driver via the Comparison function.

Variation Compare Product Manufacturer Package
0% PAM2804 PAM2804 product overviewPAM2804 product overview Diodes TSOT25-5
10% LDS9001 LDS9001 product overviewLDS9001 product overview IXYS TQFN-16
10% LTC3454 LTC3454 product overviewLTC3454 product overview Linear Technology QFN-10
10% SY8006 SY8006 product overviewSY8006 product overview Silergy SOT23-5
50% LT3519 LT3519 product overviewLT3519 product overview Linear Technology MSOP-16
50% LT3519-1 LT3519-1 product overviewLT3519-1 product overview Linear Technology MSOP-16
50% LT3519-2 LT3519-2 product overviewLT3519-2 product overview Linear Technology MSOP-16
50% LTC3453 LTC3453 product overviewLTC3453 product overview Linear Technology QFN-16

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of A8131.

V-IN min. 2 V, V-IN max. 6 V, I-OUT 0.8 A, Frequency typ. 1400 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025003 3.3 1.5 1.8 85.00 2.8 x 2.8 x 3
744031002 2.5 1.5 1.3 50.00 3.8 x 3.8 x 1.8
744031003 3.6 1.4 1.1 66.00 3.8 x 3.8 x 1.8
74404020033 3.3 0.9 1.1 279.00 2 x 1.6 x 1
74404024033 3.3 1.4 1.3 120.00 2.5 x 2 x 1.2
74404032033 3.3 1.5 1.5 70.00 3 x 3 x 1.5
74404041033 3.3 1.8 2.1 69.00 4 x 4 x 1.2
74404043033A 3.3 3.2 1.8 33.00 4 x 4 x 2.5
7440420027 2.7 2.0 2.2 47.00 4.8 x 4.8 x 2
744042003 3.3 2.0 1.8 50.00 4.8 x 4.8 x 2
7440420039 3.9 1.8 1.7 60.00 4.8 x 4.8 x 2
7440430027 2.7 2.4 2.0 25.00 4.8 x 4.8 x 3
744043003 3.3 2.2 1.8 30.00 4.8 x 4.8 x 3
7440430039 3.9 1.7 1.7 50.00 4.8 x 4.8 x 3
74405020022 2.5 1.3 2.2 142.00 2 x 1.6 x 1
74405024033 3.3 1.3 2.1 136.00 2.5 x 2 x 1.2
7440520039 3.9 2.0 2.1 50.00 5.8 x 5.8 x 2
744053004 4.2 2.5 2.2 30.00 5.8 x 5.8 x 3
74406032033 3.3 1.6 1.3 64.00 3.8 x 3.8 x 2
74406042033 3.3 2.7 2.1 51.00 4.8 x 4.8 x 2
74406043027 2.7 2.9 2.1 27.00 4.8 x 4.8 x 2
7440680027 2.7 2.2 1.9 52.00 8 x 8 x 1.2
7440680033 3.3 2.0 1.8 61.00 8 x 8 x 1.2
74438323033 3.3 1.3 2.1 220.00 2.5 x 2 x 1
74479888233 3.3 1.1 1.1 250.00 2.5 x 2 x 1
74479889233 3.3 1.3 1.3 250.00 2.5 x 2 x 1.2
78438323033 3.3 1.3 2.1 220.00 2.5 x 2 x 1
0Results
Module
Fresh Search
Replacement Search with
0% tolerance (0)
10% tolerance (0)
25% tolerance (0)
50% tolerance (0)
add to Compare
Feedback
ajax-loader.gif
Loading. Please wait.