RT6575A Buck Controller overview
Description
Manufacturer
Category
Sub-Category
RT6575A is a 2 channel, 2 phase sync Buck Controller. The maximum input voltage ranges from 5.00 V to 25.00 V and output current goes up to 8.00 A.
The Controller features fixed 300 kHz switching frequency which results in a typical inductor size of 3.3 uH and a peak efficiency of 96 %. The RT6575A is available in 1 package option(s): WQFN-20 .
Parameter and features overview
| Parameter | Value | Replacement Search Filter |
| Nr. of Channel | 2 | |
| V-IN min. | 5.00 V | |
| V-IN max. | 25.00 V | |
| I-OUT? | 8.00 A | |
| V-OUT min. | 2.00 V | |
| V-OUT max. | 5.50 V | |
| V-OUT | adjustable | |
| V-OUT programmable |  |
|
| sync/non-sync | sync | |
| Frequency typ. | 300 kHz | |
| Frequency adj. | fixed | |
| Frequency adj. min. | ||
| Frequency adj. max. | ||
| ext.clock sync. | |
|
| ext.clock Frequency min. | ||
| ext.clock Frequency max. | ||
| Softstart |  |
|
| Softstart adjustable | |
|
| Tracking | |
|
| Power Good (PG) | |
|
| Enable | |
|
| Operating min. | -40 °C | |
| Operating max. | 85 °C | |
| Junction min. | -40 °C | |
| Junction max. | 125 °C | |
| thermal shutdown typ. | 150 °C | |
| Inductor size typ. | 3.3 uH | |
| Automotive AEC-Q100 | |
|
| Light-Load Mode | |
|
| Single/ Multiphase | multi | |
| Nr. of Phases | 2 | |
| Peak Efficiency | 96 % | |
| component count min. | 20 | |
| current limit adjustable | |
|
| Nr.of package options | 1 | |
| CSP | ||
| SOT | ||
| MSOP | ||
| QFN/DFN | WQFN-20 | |
| SO/SOIC | ||
| SOP | ||
| DIP |
RT6575A Datasheet
Link to the most up-to-date RT6575A datasheet and the product page for EVM, tools and support information.
RT6575A inventory, samples and price
Available Distributors with stock: 0
no online Distributor with RT6575A stock available
Available Distributors with stock: 0
no online Distributor with RT6575A stock available
Table with equivalents and alternatives
The following Buck Controller are similar to RT6575A. Or, compare RT6575A side-by-side with other Buck Controller via the Comparison function.
| Variation | Compare | Product | Manufacturer | Package | |
| 0% | TPS53128 |  TPS53128 product overview |
Texas Instruments | VQFN-24, TSSOP-24 | |
| 0% | TPS53129 | TPS53129 product overview |
Texas Instruments | VQFN-24, TSSOP-24 | |
| 0% | TPS59124 | TPS59124 product overview |
Texas Instruments | VQFN-24 | |
| 0% | RT6575B | RT6575B product overview |
Richtek | WQFN-20 | |
| 25% | FAN5236 | FAN5236 product overview |
Fairchild | TSSOP 28L | |
| 50% | FAN5026 | FAN5026 product overview |
Fairchild | TSSOP 28L |
Inductor suggestions
Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of RT6575A.
V-IN max. 25 V, I-OUT 8 A, V-OUT min. 2 V, Frequency typ. 300 kHz
| Order Code | Spec | L (µH) | IR (A) | ISAT (A) | RDC (mΩ) | L x W x H (mm) |
| 744311220 | 2.2 | 9.0 | 13.0 | 11.40 | 7 x 6.9 x 4 | |
| 744313220 | 2.2 | 14.0 | 18.0 | 5.70 | 12.9 x 12.8 x 3.5 | |
| 744323220 | 2.2 | 9.0 | 15.0 | 11.38 | 10.6 x 10.6 x 3.1 | |
| 744325180 | 1.8 | 16.0 | 18.0 | 3.50 | 10.5 x 10.2 x 5 | |
| 744325240 | 2.4 | 14.0 | 17.0 | 4.75 | 10.5 x 10.2 x 5 | |
| 7443340220 | 2.2 | 16.5 | 12.5 | 5.30 | 8.4 x 7.9 x 7.5 | |
| 7443550230 | 2.3 | 17.5 | 17.0 | 3.60 | 13 x 12.8 x 5 | |
| 7443551280 | 2.8 | 19.0 | 17.5 | 3.40 | 13.2 x 12.8 x 6.5 | |
| 7443552200 | 2.0 | 11.0 | 13.0 | 7.30 | 10.5 x 10.2 x 4.2 | |
| 7443552280 | 2.8 | 9.5 | 11.0 | 10.60 | 10.5 x 10.2 x 4.2 | |
| 74437356022 | 2.2 | 8.5 | 15.5 | 13.60 | 8.64 x 8.5 x 3 | |
| 7447471022 | 2.2 | 8.2 | 10.0 | 7.50 | 10.5 x 10.5 x 11.5 | |
| 74477002 | 2.4 | 10.1 | 14.3 | 9.00 | 12 x 12 x 8 | |
| 7447709002 | 2.2 | 11.5 | 20.0 | 4.90 | 12 x 12 x 10 | |
| 744771002 | 2.2 | 10.0 | 11.0 | 5.00 | 12 x 12 x 6 | |
| 7447797180 | 1.8 | 9.4 | 13.0 | 7.40 | 10.2 x 10.2 x 4.5 | |
| 7447797250 | 2.5 | 8.4 | 10.5 | 9.00 | 10.2 x 10.2 x 4.5 | |
| 7447798180 | 1.8 | 14.5 | 12.8 | 3.80 | 10.2 x 10.2 x 6.4 | |
| 7447798250 | 2.5 | 13.7 | 10.1 | 4.40 | 10.2 x 10.2 x 6.4 |
