LT1932 LED Boost Driver overview

Description

Manufacturer
 
Category
Sub-Category

LT1932 is a 1 channel, 10.0 V, 0.04 A/string non-sync LED Boost Driver. It can drive a maximum of 8 LED (~3.5Vfwd) per string, features a fixed 1200 kHz frequency and is available in 1 package option(s): TSOT23-6 .

Further characteristics are a feedback voltage of 0.100 V, a typical inductor size of 6.8 uH and a peak efficiency of 80 %.

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 1
V-IN min. 1.0 V
V-IN max. 10.0 V
V-OUT max. 36.0 V
Nr.of LED per string typ. 8
I-OUT/string? 0.04 A
current limit typ. 0.55 A
sync/non-sync non-sync
Frequency typ. 1200 kHz
Frequency fixed
Frequency min.
Frequency max.
Softstart no
Softstart adjustable no
Down-Mode yes
Quiescent current max. 1600 uA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 6.8 uH
feedback voltage 0.100 V
Automotive AEC-Q100 no
Topology Boost
Peak Efficiency 80 %
Component count min. 5
DC dimming yes
PWM dimming yes
PWM frequency min. 5.00 kHz
PWM frequency max. 40.0 kHz
digital dimming no
digital interface no
LED flash no
TxMask no
Nr.of current sources 1
Nr.of package options 1
CSP
SC70
SOT TSOT23-6
MSOP
QFN/DFN
SO/SOIC
SOP
DIP

LT1932 Datasheet

Link to the most up-to-date LT1932 datasheet and the product page for EVM, tools and support information.

LT1932

LT1932 inventory, samples and price

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with LT1932 stock available

Available Distributors with stock: 0

no online Distributor with LT1932 stock available

List with equivalents & alternatives

The following DC/DC LED Boost driver are similar to LT1932. Optional, compare LT1932 side-by-side with other LED driver via the comparison function.

no alternatives found

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT1932.

V-IN min. 1 V, V-OUT max. 36 V, current limit typ. 0.55 A, Frequency typ. 1200 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744302007 0.1 30.0 60.0 0.24 6.95 x 6.8 x 4.7
744302010 0.1 30.0 45.0 0.24 6.95 x 6.8 x 4.7
744303012 0.1 31.0 55.0 0.33 10 x 6.8 x 5
744304010 0.1 26.0 52.0 0.17 11.5 x 11.8 x 4
744307012 0.1 29.0 48.0 0.33 7.4 x 7.2 x 7.2
7443081012 0.1 38.0 85.0 0.29 9.4 x 6.2 x 8.1
744310013 0.1 22.0 48.0 0.91 7 x 6.9 x 3.3
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.