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 |  |
|
| Softstart adjustable |  |
|
| Down-Mode | |
|
| 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 | |
|
| Topology | Boost | |
| Peak Efficiency | 83 % | |
| Component count min. | 5 | |
| DC dimming | |
|
| PWM dimming | |
|
| PWM frequency min. | 0.10 kHz | |
| PWM frequency max. | 100.0 kHz | |
| digital dimming | |
|
| digital interface | |
|
| LED flash | |
|
| TxMask | |
|
| 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 |
