RT9269 LED Boost Driver overview
Description
Manufacturer
Category
Sub-Category
RT9269 is a 1 channel, 6.5 V, 0.02 A/string non-sync LED Boost Driver. It can drive a maximum of 4 LED (~3.5Vfwd) per string, features a fixed 500 kHz frequency and is available in 1 package option(s): SOT23-6 .
Further characteristics are a feedback voltage of 0.250 V, a typical inductor size of 47.0 uH and a peak efficiency of 85 %.
Parameter and features overview
| Parameter | Value | Replacement Search Filter |
| Nr. of Channel | 1 | |
| V-IN min. | 2.0 V | |
| V-IN max. | 6.5 V | |
| V-OUT max. | 20.0 V | |
| Nr.of LED per string typ. | 4 | |
| I-OUT/string? | 0.02 A | |
| current limit typ. | 0.50 A | |
| sync/non-sync | non-sync | |
| Frequency typ. | 500 kHz | |
| Frequency | fixed | |
| Frequency min. | ||
| Frequency max. | ||
| Softstart |  |
|
| Softstart adjustable | |
|
| Down-Mode | |
|
| Quiescent current max. | -30 uA | |
| Operating min. | -40 °C | |
| Operating max. | 85 °C | |
| Junction min. | ||
| Junction max. | ||
| thermal shutdown typ. | 165 °C | |
| Inductor size typ. | 47.0 uH | |
| feedback voltage | 0.250 V | |
| Automotive AEC-Q100 | |
|
| Topology | Boost | |
| Peak Efficiency | 85 % | |
| Component count min. | 8 | |
| DC dimming |  |
|
| PWM dimming | |
|
| PWM frequency min. | ||
| PWM frequency max. | ||
| digital dimming | |
|
| digital interface | |
|
| LED flash | |
|
| TxMask | |
|
| Nr.of current sources | 1 | |
| Nr.of package options | 1 | |
| CSP | ||
| SC70 | ||
| SOT | SOT23-6 | |
| MSOP | ||
| QFN/DFN | ||
| SO/SOIC | ||
| SOP | ||
| DIP |
RT9269 Datasheet
Link to the most up-to-date RT9269 datasheet and the product page for EVM, tools and support information.
RT9269 inventory, samples and price
Available Distributors with stock: 0
no online Distributor with RT9269 stock available
Available Distributors with stock: 0
no online Distributor with RT9269 stock available
Available Distributors without stock: 1
Digi-Key
| Product | Stock | Price | Buy |
| RT9269GE | 0 | Buy Now |
List with equivalents & alternatives
The following DC/DC LED Boost driver are similar to RT9269. Optional, compare RT9269 side-by-side with other LED driver via the comparison function.
| Variation | Compare | Product | Manufacturer | Package | |
| 0% | LT1932 |  LT1932 product overview |
Linear Technology | TSOT23-6 | |
| 25% | MAX1561 | MAX1561 product overview |
Maxim | TDFN-EP-8 | |
| 25% | MAX1582 | MAX1582 product overview |
Maxim | TQFN-12 | |
| 25% | MAX1599 | MAX1599 product overview |
Maxim | TDFN-EP-8 | |
| 25% | MP1518 | MP1518 product overview |
MPS | QFN-8, TSOT23-6 | |
| 25% | MP3204 | MP3204 product overview |
MPS | TSOT23-6 | |
| 25% | MP3205 | MP3205 product overview |
MPS | TSOT23-6 | |
| 25% | MP3304 | MP3304 product overview |
MPS | TSOT23-6 | |
| 25% | XC9116 | XC9116 product overview |
Torex | USP-6C, SOT25-5 | |
| 25% | XC9133 | XC9133 product overview |
Torex | SOT25-5 | |
| 50% | LT3593 | LT3593 product overview |
Linear Technology | DFN-6, SOT23-6 | |
| 50% | MAX1554 | MAX1554 product overview |
Maxim | TDFN-EP-8 | |
| 50% | TB62755F | TB62755F product overview |
Toshiba | SON-6 |
Inductor suggestions
Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of RT9269.
V-IN min. 2 V, V-OUT max. 20 V, current limit typ. 0.5 A, Frequency typ. 500 kHz
| Order Code | Spec | L (µH) | IR (A) | ISAT (A) | RDC (mΩ) | L x W x H (mm) |
| 74404084015 | 1.5 | 5.7 | 9.0 | 10.00 | 8 x 8 x 4.2 | |
| 74404084022 | 2.2 | 5.2 | 7.8 | 12.00 | 8 x 8 x 4.2 | |
| 7440650015 | 1.5 | 7.2 | 7.5 | 7.30 | 10 x 10 x 3.1 | |
| 7440650022 | 2.2 | 6.2 | 5.9 | 11.00 | 10 x 10 x 3.1 | |
| 7440660015 | 1.5 | 7.2 | 10.0 | 5.20 | 10 x 10 x 4.1 | |
| 7440660022 | 2.2 | 6.7 | 6.8 | 7.70 | 10 x 10 x 4.1 | |
| 744071022 | 2.2 | 5.4 | 6.3 | 10.00 | 8 x 8 x 4.6 | |
| 744310200 | 2.0 | 6.5 | 9.0 | 14.20 | 7 x 6.9 x 3.3 | |
| 744314150 | 1.5 | 13.0 | 11.0 | 4.30 | 7 x 6.9 x 5 | |
| 744314200 | 2.0 | 11.5 | 9.0 | 5.85 | 7 x 6.9 x 5 | |
| 744316150 | 1.5 | 9.0 | 9.0 | 8.15 | 5.5 x 5.3 x 4.3 | |
| 744316220 | 2.2 | 7.5 | 7.5 | 11.30 | 5.5 x 5.3 x 4.3 | |
| 74437336015 | 1.5 | 5.1 | 11.0 | 16.00 | 5.7 x 5.2 x 3 | |
| 74438356015 | 1.5 | 5.8 | 7.8 | 16.00 | 4.1 x 4.1 x 2.1 | |
| 744732015 | 1.5 | 7.0 | 9.0 | 7.00 | 9 x 9 x 8 | |
| 7447471022 | 2.2 | 8.2 | 10.0 | 7.50 | 10.5 x 10.5 x 11.5 | |
| 744771002 | 2.2 | 10.0 | 11.0 | 5.00 | 12 x 12 x 6 | |
| 7447713015 | 1.5 | 6.2 | 9.5 | 13.70 | 10 x 10 x 3 | |
| 7447713022 | 2.2 | 5.1 | 8.5 | 16.80 | 10 x 10 x 3 | |
| 7447714022 | 2.2 | 8.6 | 9.5 | 6.80 | 10 x 10 x 5 | |
| 7447715001 | 1.8 | 7.6 | 10.2 | 7.50 | 12 x 12 x 4.5 | |
| 744772022 | 2.2 | 6.0 | 8.0 | 7.25 | 7.8 x 7.8 x 10 | |
| 744777002 | 2.2 | 6.0 | 6.5 | 13.00 | 7.3 x 7.3 x 4.5 | |
| 784771022 | 2.2 | 7.2 | 10.5 | 10.50 | 12 x 12 x 8.3 | |
| 784775022 | 2.2 | 6.0 | 6.0 | 8.00 | 7 x 7.8 x 5.5 | |
| 784776022 | 2.2 | 7.0 | 8.0 | 7.00 | 9 x 10 x 5.9 |
