Datasheet Details
| Part number | RT9378A |
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| Manufacturer | Richtek |
| File Size | 186.29 KB |
| Description | 4 Channels 100mA x1/x1.5/x2 Charge Pump White LED Driver |
| Datasheet |
 RT9378A Datasheet
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General Description
The RT9378A is a 4 channel WLED driver with auto mode selection of x1, x1.5 and x2 mode with low dropout voltage in current sources.
The RT9378A can power up to 4 white LEDs with regulated constant current for uniform intensity.
Each channel (LED1 to LED4) can support up to 25mA.
Key Features
- z Efficiency Up to 93% Over Li-ion Battery Discharge z Typical 85% Average Efficiency Over Li-ion Battery Discharge z Support Up to 4 White LEDs z Support Up to 25mA/Per Channel z Support Up to 100mA Output Current z Flexible 16-step Brightness Control z 60mV Typical Current Source Dropout z 1% Typical LED Current Accuracy z 0.7% Typical LED Current Matching z Automatic x1/x1.5/x2 Charge Pump Mode Transition z Low Input Noise and EMI Charge Pump z 5V Over Voltage Protection z Power On/Mode Trans.