RT9284 LED Boost Driver overview
Description
Manufacturer
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
Parameter | Value | Replacement 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 | ![]() |
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Softstart adjustable | ![]() |
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Down-Mode | ![]() |
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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 | ![]() |
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Topology | Boost | |
Peak Efficiency | 83 % | |
Component count min. | 5 | |
DC dimming | ![]() |
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PWM dimming | ![]() |
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PWM frequency min. | 0.10 kHz | |
PWM frequency max. | 100.0 kHz | |
digital dimming | ![]() |
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digital interface | ![]() |
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LED flash | ![]() |
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TxMask | ![]() |
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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 inventory, samples and price


Available Distributors with stock: 0
no online Distributor with RT9284 stock available
Available Distributors with stock: 3
Digi-Key
Product | Stock | Price | Buy | ||||||||||||||
RT9284A-20GJ6E | 3121 |
| Buy Now | ||||||||||||||
RT9284A-20GJ6E | 0 | Buy Now | |||||||||||||||
RT9284AGJ5E | 0 | Buy Now | |||||||||||||||
RT9284B-15GJ6E | 0 | Buy Now | |||||||||||||||
RT9284B-20GJ6E | 0 | Buy Now |
America II Electronics
Product | Stock | Price | Buy |
RT9284B-15PJ6 | 2780 | Buy Now |
Bristol Electronics
Available Distributors without stock: 1
element14 Asia-Pacific
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.
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 |