RT9293A LED Boost Driver overview

Description

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RT9293A is a 1 channel, 5.5 V, 0.30 A/string non-sync LED Boost Driver. It can drive a maximum of 10 LED (~3.5Vfwd) per string, features a fixed 1000 kHz frequency and is available in 2 package option(s): SOT23-6 WDFN-8 .

Further characteristics are a feedback voltage of 0.104 V, a typical inductor size of 22.0 uH and a peak efficiency of 91 %.

Parameter and features overview

ParameterValueReplacement
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Nr. of Channel 1
V-IN min. 2.5 V
V-IN max. 5.5 V
V-OUT max. 46.0 V
Nr.of LED per string typ. 10
I-OUT/string? 0.30 A
current limit typ. 1.00 A
sync/non-sync non-sync
Frequency typ. 1000 kHz
Frequency fixed
Frequency min.
Frequency max.
Softstart yes
Softstart adjustable no
Down-Mode no
Quiescent current max. 600 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. 22.0 uH
feedback voltage 0.104 V
Automotive AEC-Q100 no
Topology Boost
Peak Efficiency 91 %
Component count min. 5
DC dimming yes
PWM dimming yes
PWM frequency min. 0.20 kHz
PWM frequency max. 200.0 kHz
digital dimming no
digital interface no
LED flash no
TxMask no
Nr.of current sources 1
Nr.of package options 2
CSP
SC70
SOT SOT23-6
MSOP
QFN/DFN WDFN-8
SO/SOIC
SOP
DIP

RT9293A Datasheet

Link to the most up-to-date RT9293A datasheet and the product page for EVM, tools and support information.

RT9293A

RT9293A inventory, samples and price

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List with equivalents & alternatives

The following DC/DC LED Boost driver are similar to RT9293A. Optional, compare RT9293A side-by-side with other LED driver via the comparison function.

Variation Compare Product Manufacturer Package
25% IS31PW3506A IS31PW3506A product overviewIS31PW3506A product overview ISSI DFN-8, SOT23-6
25% IS31PW3506B IS31PW3506B product overviewIS31PW3506B product overview ISSI TSOT23-6

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of RT9293A.

V-IN min. 2.5 V, V-OUT max. 46 V, current limit typ. 1 A, Frequency typ. 1000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744305033 0.3 28.0 26.0 0.16 13.5 x 13.3 x 5.2
744305040 0.4 28.0 20.0 0.16 13.5 x 13.3 x 5.2
744306025 0.3 26.0 32.0 0.30 10.5 x 10.3 x 5.5
744306030 0.3 26.0 24.0 0.30 10.5 x 10.3 x 5.5
744308033 0.3 27.0 30.0 0.37 10.1 x 7 x 7
744308040 0.4 25.0 26.0 0.37 10.1 x 7 x 7
7443081030 0.3 38.0 32.0 0.29 9.4 x 6.2 x 8.1
7443081040 0.4 38.0 21.0 0.29 9.4 x 6.2 x 8.1
744311047 0.4 19.0 25.0 1.85 7 x 6.9 x 4
744314024 0.2 20.0 28.0 1.00 7 x 6.9 x 5
744325040 0.4 24.0 37.0 0.67 10.5 x 10.2 x 5
7443340030 0.3 20.5 36.0 2.30 8.4 x 7.9 x 7.5
744355230 0.3 22.0 35.0 1.10 10.5 x 10.2 x 4.2
744373770033 0.3 24.0 35.0 0.88 13.5 x 12.6 x 3.5
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