LTM8040 LED driver IC overview

Description

Manufacturer
 
Category
Sub-Category

LTM8040 is a sync DC/DC LED driver IC from . Maximum input voltage is 36.0 V and it drives an output current of up to 1.00 A. Assuming a typical 3.5V LED forward voltage LTM8040 can drive up to 4 LED in series.

The LED driver IC features adjustable 500 kHz switching frequency, a feedback voltage of 0.00 V and requires a typical inductor size of 0.0 uH. This combination results in a peak efficiency of ~90 %. LTM8040 comes in 1 package option(s) - LGA-10 .

Parameter and feature overview

ParameterValueReplacement
Search Filter
Nr. of Channel 1
V-IN min. 4.0 V
V-IN max. 36.0 V
Nr.of LEDs max. 4
I-OUT? 1.00 A
MOSFET intern
ext.clock sync. no
sync/non-sync sync
Frequency typ. 500 kHz
Frequency adjustable adjustable
Frequency min. 215 kHz
Frequency max. 650 kHz
Softstart no
Softstart adjustable no
Quiescent current max. 400 uA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ.
Inductor size 0.0 uH
Inductor suggested by Würth Elektronik
Feedback Voltage 0.00 V
Automotive AEC-Q100 no
Topology
Peak Efficiency 90 %
Component count min. 2
DC Dimming yes
PWM Dimming yes
digital dimming no
Nr. of package options 1
SC70
SOT
MSOP
QFN/DFN
SO/SOIC
SOP
DIP
TO
Variation LGA-10
LED temperature compensation no

LTM8040 Datasheet

Link to the most up-to-date LTM8040 datasheet and the product page for EVM, tools and support information.

LTM8040

LTM8040 inventory, samples and price

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with LTM8040 stock available

Available Distributors with stock: 0

no online Distributor with LTM8040 stock available

Equivalents and alternatives

The following DC/DC LED driver are similar to LTM8040. Optional, compare LTM8040 side-by-side with other LED driver via the Comparison function.

Variation Compare Product Manufacturer Package
25% ILD4071 ILD4071 product overviewILD4071 product overview Infineon DSO-8
25% LTM8042 LTM8042 product overviewLTM8042 product overview Linear Technology LGA-10

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTM8040.

V-IN min. 4 V, V-IN max. 36 V, I-OUT 1 A, Frequency typ. 500 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
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.