High Efficiency 2-string LED Driver For Smart Phone
- Parameters
- Features
- Description
| Part Number | SY22121POC |
|---|
| Fsw (MHz) | 1 |
|---|
| Dimming Mode | PWM |
|---|
| Channels | 1 |
|---|
| Package | CSP 1.31x1.31-9 |
|---|
| Vin_min (V) | 2.7 |
|---|
| Vin_max (V) | 28 |
|---|
| Vo_max (V) | |
|---|
| Io_max (A) | 0.03 |
|---|
| Features / Special Function | Boost+LDO |
|---|
| Application | Phone/PAD Backlight |
|---|
- Wide Input Range: 2.7V~28V
- Drive Up to 10 LEDs per String
- Integrated 40V Power MOSFET
- Integrated 2 Channel Current Source of Up to 30mA Each
- 1% Typical Current Matching Accuracy
- Low LED Regulated Voltage (150mV typical)
- High Frequency Boost Converter (1MHz)
- Internal Compensation and Soft-start
- Analog PWM Dimming with 500ns min. ON Time
- Enable and 1-wire Digital Dimming
- Up to 100:1 PWM Dimming Ratio (20kHz Dimming Frequency)
- Cycle-by-cycle Inductor Current Limit
- LED Open/Short Protection, Output Over-voltage Protection
- Thermal Shutdown Protection
- Low Quiescent Current and Low Shutdown Current
- Pb-free Package: CSP 1.31×1.31 -9
Evaluation Board
Photo of evaluation board
Photo of evaluation board
Photo of evaluation board
The EVB_SY22121POC is intended for evaluating High Efficiency 2-string LED Driver For Smart Phone
