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Features The RT4539A is a high efficiency driver for white LEDs. It is suitable for single/two cell battery input to drive LED light bars which contains six strings in parallel. The internal current sinks support a maximum of ±2% current mismatching for excellent brightness uniformity in each string of LEDs. To provide enough headroom for current sink oper.
The RT4539A is a high efficiency driver for white LEDs. It is suitable for single/two cell battery input to drive LED light bars which contains six strings in parallel. The internal current sinks support a maximum of ±2% current mismatching for excellent brightness uniformity in each string of LEDs. To provide enough headroom for current sink operation, the Boost converter monitors the minimum voltage of the feedback pins and regulates an optimized output voltage for power efficiency. The RT4539A has a wide input voltage operating range from 2.7V to 24V and contains I2C interface for controll.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | RT4532 |
Richtek Technology |
High Efficiency Backlight LED Driver |
|
| 2 | RT4533 |
Richtek |
Asynchronous Boost Converter |
|
| 3 | RT4533A |
Richtek |
Asynchronous Boost Converter |
|
| 4 | RT4501 |
Richtek Technology |
High Efficiency Backlight LED Driver |
|
| 5 | RT4501A |
Richtek Technology |
High Efficiency Backlight LED Driver |
|
| 6 | RT4503 |
Richtek Technology |
Asynchronous Boost Converter |
|
| 7 | RT4503A |
Richtek Technology |
Asynchronous Boost Converter |
|
| 8 | RT4526 |
Richtek |
Asynchronous Boost LED Driver |
|
| 9 | RT4528 |
Richtek Technology |
High Voltage Buck LED Driver |
|
| 10 | RT4002A-1 |
Shenzhen |
LCD Module |
|
| 11 | RT4002ASRB |
ETC |
LCD Module |
|
| 12 | RT4004ASRB |
ETC |
LCD Module |
|