High Efficiency,23V,2.0A Synchronous Step Down Regulator For Dimmable LED Driver
- Parameters
- Features
- Description
| Part Number | SY22728B1ADC |
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| Description | SYN Buck, Int. 23V/125mΩ&23V/75mΩ MOS,PWM dimming, Small dimming scale accuracy |
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| Topology | Buck |
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| Package | TSOT23-6 |
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| Vin_min (V) | 4 |
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| Vin_max (V) | 23 |
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| Io_max (A) | 1.5 |
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| Application | IR LED |
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- Wide Input Range: 4V-23V
- Up to 2.0A Output Current Capability
- Low RDS(ON) for Internal Switches High Side/Low Side:125mΩ/75mΩ
- Fixed 1MHz Switching Frequency
- Cycle by Cycle 3.5A Peak Current Limit for High Side and 2.5A Valley Current Limit for Low Side
- High Accuracy for Low Dimming Scale
- Output Voltage Discharging
- Over Temperature Protection
- RoHS Compliant and Halogen Free
- Compact Package: TSOT23-6
The SY22728B1 is a high efficiency synchronous step-down LED regulator that achieves up to 2.0A output current. It operates at 1MHz and integrates two very low RDS(ON) power switches to minimize and reduce the external components.
It supports the analog dimming signal 0.65V-1.2V to achieve dimmable LED lighting application.
Evaluation Board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
The EVB_SY22728B1ADC is intended for evaluating High Efficiency,23V,2A Synchronous Step Down Regulator For Dimmable LED Driver
