MBI6662 Buck LED driver IC overview

Description

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MBI6662 is a non-sync DC/DC Buck LED driver IC from . Maximum input voltage is 60.0 V and it drives an output current of up to 2.00 A. Assuming a typical 3.5V LED forward voltage MBI6662 can drive up to 16 LED in series.

The LED Buck driver IC features adjustable 200 kHz switching frequency, a feedback voltage of 0.10 V and requires a typical inductor size of 68.0 uH. This combination results in a peak efficiency of ~96 %. MBI6662 comes in 2 package option(s) - DFN-10 SOP-10 .

Parameter and feature overview

ParameterValueReplacement
Search Filter
Nr. of Channel 1
V-IN min. 4.5 V
V-IN max. 60.0 V
Nr.of LEDs max. 16
I-OUT? 2.00 A
MOSFET intern
ext.clock sync. no
sync/non-sync non-sync
Frequency typ. 200 kHz
Frequency adjustable adjustable
Frequency min. 100 kHz
Frequency max. 1000 kHz
Softstart yes
Softstart adjustable no
Quiescent current max. 2500 uA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ. 155.0 °C
Inductor size 68.0 uH
Inductor suggested by Würth Elektronik
Feedback Voltage 0.10 V
Automotive AEC-Q100 no
Topology Buck
Peak Efficiency 96 %
Component count min. 9
DC Dimming no
PWM Dimming yes
digital dimming no
Nr. of package options 2
SC70
SOT
MSOP
QFN/DFN DFN-10
SO/SOIC
SOP SOP-10
DIP
TO
Variation
LED temperature compensation no

MBI6662 Datasheet

Link to the most up-to-date MBI6662 datasheet and the product page for EVM, tools and support information.

MBI6662

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Equivalents and alternatives

The following DC/DC LED Buck driver are similar to MBI6662. Optional, compare MBI6662 side-by-side with other LED driver via the Comparison function.

Variation Compare Product Manufacturer Package
0% LT3955 LT3955 product overviewLT3955 product overview Linear Technology QFN-36
0% LT3956 LT3956 product overviewLT3956 product overview Linear Technology QFN-36
10% MP2483 MP2483 product overviewMP2483 product overview MPS QFN-10, SOIC-14
10% MP2488 MP2488 product overviewMP2488 product overview MPS QFN-10, SOIC-8
10% MPQ2483 MPQ2483 product overviewMPQ2483 product overview MPS QFN-10, SOIC-14
50% LT3517 LT3517 product overviewLT3517 product overview Linear Technology QFN-16, TSSOP-16
50% MP24183 MP24183 product overviewMP24183 product overview MPS QFN-10, SOIC-14
50% MP2487 MP2487 product overviewMP2487 product overview MPS SOIC-8
50% MP24830 MP24830 product overviewMP24830 product overview MPS QFN-14, SOIC-14

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of MBI6662.

V-IN min. 4.5 V, V-IN max. 60 V, I-OUT 2 A, Frequency typ. 200 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
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