SacPower
RT9378A
4 Channels 100mA x1/x1.
5/x2 Charge Pump White LED Driver
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.
The part maintains highest efficiency by utilizing x1/x1.
5/ x2 fractional charge pump and low dropout current
regulators.
An internal 5-bit DAC is used for brightness control.
Users can easily configure up to 16-step of LED current by enable pin.
The RT9378A is available in a WQFN-12L 2x2 package.
Small 0.
22uF capacitors...