RT8565 LED Boost Driver overview

Description

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RT8565 is a 1 channel, 4.5 V, 0.03 A/string sync LED Boost Driver. It can drive a maximum of 6 LED (~3.5Vfwd) per string, features a fixed 600 kHz frequency and is available in 1 package option(s): WQFN-8 .

Further characteristics are a feedback voltage of 0.200 V, a typical inductor size of 10.0 uH and a peak efficiency of 80 %.

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 1
V-IN min. 2.8 V
V-IN max. 4.5 V
V-OUT max. 25.0 V
Nr.of LED per string typ. 6
I-OUT/string? 0.03 A
current limit typ. 0.90 A
sync/non-sync sync
Frequency typ. 600 kHz
Frequency fixed
Frequency min.
Frequency max.
Softstart yes
Softstart adjustable no
Down-Mode no
Quiescent current max. 3000 uA
Operating min. -40 °C
Operating max. 85 °C
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ. 160 °C
Inductor size typ. 10.0 uH
feedback voltage 0.200 V
Automotive AEC-Q100 no
Topology Boost
Peak Efficiency 80 %
Component count min. 4
DC dimming no
PWM dimming no
PWM frequency min.
PWM frequency max.
digital dimming yes
digital interface 1-pin
LED flash no
TxMask no
Nr.of current sources 1
Nr.of package options 1
CSP
SC70
SOT
MSOP
QFN/DFN WQFN-8
SO/SOIC
SOP
DIP

RT8565 Datasheet

Link to the most up-to-date RT8565 datasheet and the product page for EVM, tools and support information.

RT8565

RT8565 inventory, samples and price

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Available Distributors with stock: 0

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List with equivalents & alternatives

The following DC/DC LED Boost driver are similar to RT8565. Optional, compare RT8565 side-by-side with other LED driver via the comparison function.

Variation Compare Product Manufacturer Package
0% LDS8711 LDS8711 product overviewLDS8711 product overview IXYS TDFN-8
0% TPS61158 TPS61158 product overviewTPS61158 product overview Texas Instruments SON-6

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of RT8565.

V-IN min. 2.8 V, V-OUT max. 25 V, current limit typ. 0.9 A, Frequency typ. 600 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744310095 1.0 11.0 13.0 6.20 7 x 6.9 x 3.3
744310115 1.2 8.5 13.0 8.60 7 x 6.9 x 3.3
744311150 1.5 11.0 14.0 6.60 7 x 6.9 x 4
744314110 1.1 15.0 13.0 3.15 7 x 6.9 x 5
744314150 1.5 13.0 11.0 4.30 7 x 6.9 x 5
744316100 1.0 11.5 11.5 4.75 5.5 x 5.3 x 4.3
744316150 1.5 9.0 9.0 8.15 5.5 x 5.3 x 4.3
744323120 1.2 12.0 15.0 6.60 10.6 x 10.6 x 3.1
744323150 1.5 12.0 18.0 6.60 10.6 x 10.6 x 3.1
7443552150 1.5 14.0 17.0 5.30 10.5 x 10.2 x 4.2
74437349012 1.2 9.0 18.0 7.20 7.3 x 6.6 x 5
7447471013 1.3 8.5 14.0 6.00 10.5 x 10.5 x 11.5
74477001 1.2 12.0 16.6 5.00 12 x 12 x 8
744771001 1.5 10.5 12.5 4.00 12 x 12 x 6
7447714015 1.5 10.0 12.5 5.55 10 x 10 x 5
7447715910 1.0 8.5 13.9 5.50 12 x 12 x 4.5
7447797110 1.1 11.2 16.0 5.90 10.2 x 10.2 x 4.5
7447798110 1.1 16.5 16.0 3.00 10.2 x 10.2 x 6.4
784771010 1.0 9.0 16.5 7.00 12 x 12 x 8.3
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