RT9284 LED Boost Driver overview

Description

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Category
Sub-Category

RT9284 is a 1 channel, 5.5 V, 0.10 A/string non-sync LED Boost Driver. It can drive a maximum of 5 LED (~3.5Vfwd) per string, features a fixed 1200 kHz frequency and is available in 2 package option(s): SOT23-6 .

Further characteristics are a feedback voltage of 0.250 V, a typical inductor size of 4.7 uH and a peak efficiency of 83 %.

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 1
V-IN min. 2.7 V
V-IN max. 5.5 V
V-OUT max. 20.0 V
Nr.of LED per string typ. 5
I-OUT/string? 0.10 A
current limit typ. 0.30 A
sync/non-sync non-sync
Frequency typ. 1200 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.
Inductor size typ. 4.7 uH
feedback voltage 0.250 V
Automotive AEC-Q100 no
Topology Boost
Peak Efficiency 83 %
Component count min. 5
DC dimming yes
PWM dimming yes
PWM frequency min. 0.10 kHz
PWM frequency max. 100.0 kHz
digital dimming no
digital interface no
LED flash yes
TxMask no
Nr.of current sources 1
Nr.of package options 2
CSP
SC70
SOT SOT23-6
MSOP
QFN/DFN
SO/SOIC
SOP
DIP

RT9284 Datasheet

Link to the most up-to-date RT9284 datasheet and the product page for EVM, tools and support information.

RT9284

RT9284 inventory, samples and price

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Available Distributors with stock: 0

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Available Distributors with stock: 3

Digi-Key

ProductStockPriceBuy
RT9284A-20GJ6E 3121
10000.41 €
5000.52 €
2500.59 €
1000.68 €
250.77 €
100.86 €
10.96 €
Buy Now
RT9284A-20GJ6E 0 Buy Now
RT9284AGJ5E 0 Buy Now
RT9284B-15GJ6E 0 Buy Now
RT9284B-20GJ6E 0 Buy Now
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America II Electronics

ProductStockPriceBuy
RT9284B-15PJ6 2780 Buy Now

Bristol Electronics

ProductStockPriceBuy
RT9284A-20GJ6E 2479 Buy Now

Available Distributors without stock: 1

element14 Asia-Pacific

ProductStockPriceBuy
RT9284AGJ5E 0
10000.45 SGD
5000.48 SGD
2500.55 SGD
1000.65 SGD
250.80 SGD
10.92 SGD
Buy Now
RT9284B-15GJ6E 0
10000.45 SGD
5000.48 SGD
2500.55 SGD
1000.65 SGD
250.80 SGD
10.92 SGD
Buy Now
RT9284B-20GJ6E 0
10000.37 SGD
5000.39 SGD
2500.41 SGD
1000.45 SGD
250.49 SGD
10.55 SGD
Buy Now
RT9284A-20GJ6E 0
10000.70 SGD
5000.89 SGD
2501.01 SGD
1001.16 SGD
251.32 SGD
101.46 SGD
11.64 SGD
Buy Now

List with equivalents & alternatives

The following DC/DC LED Boost driver are similar to RT9284. Optional, compare RT9284 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 RT9284.

V-IN min. 2.7 V, V-OUT max. 20 V, current limit typ. 0.3 A, Frequency typ. 1200 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404052022 2.2 3.0 3.6 31.60 5 x 5 x 2
7440420018 1.8 2.4 2.4 40.00 4.8 x 4.8 x 2
7440430018 1.8 2.7 2.5 20.00 4.8 x 4.8 x 3
7440430022 2.2 2.5 2.4 27.00 4.8 x 4.8 x 3
7440520018 1.8 2.6 3.0 30.00 5.8 x 5.8 x 2
744052002 2.5 2.4 2.7 20.00 5.8 x 5.8 x 2
744053002 2.6 3.0 2.7 20.00 5.8 x 5.8 x 3
744062002 2.2 3.4 2.7 10.00 6.8 x 6.8 x 2.5
7440680017 1.7 2.5 2.4 41.00 8 x 8 x 1.2
7440690016 1.6 3.1 3.3 29.00 8 x 8 x 1.5
7440690022 2.2 2.8 2.9 35.00 8 x 8 x 1.5
7440700022 2.2 4.6 3.2 17.00 8 x 8 x 2
74408942022 2.2 2.5 4.0 38.00 4.8 x 4.8 x 3.1
74408943022 2.2 3.0 4.6 26.00 4.8 x 4.8 x 4.1
74438336022 2.2 2.4 4.3 67.00 3 x 3 x 2
7447462022 2.2 6.3 4.3 10.00 5.5 x 5.5 x 8.5
744773018 1.8 2.7 3.6 28.00 4 x 4.5 x 3.5
744773022 2.2 2.5 3.4 34.00 4 x 4.5 x 3.5
7447785002 2.2 2.9 3.3 43.00 5.9 x 6.2 x 3.3
7447786002 2.2 3.5 4.0 40.00 5.9 x 6.2 x 5.1
744787027 2.7 4.4 4.5 13.50 7.8 x 7 x 5
784773018 1.8 2.7 3.6 28.00 4 x 4.5 x 3.5
784773022 2.2 2.5 3.4 34.00 4 x 4.5 x 3.5
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