Silergy SY7201A
The SY7201 and SY7201A are ideal for driving up to eight white LEDs in series or up to 30V. Application Note: AN_SY7201/SY7201A 30V High Current Boost LED Driver General Description SY7201 and SY7201A are DC/DC step-up converters that deliver an accurate constant current for driving LEDs.| Part No. | SY7201A |
|---|---|
| Datasheet | SY7201A Download |
| Manufacturer |  Silergy |
| Description | 30V High Current Boost LED Driver |
| Buy | Stock & Price |
FEATURES
● Input voltage range: 2.8 to 30V● Switch current limit 2A
● Drives LED strings up to 30V
● 1MHz fixed frequency minimizes the external components
● Dimming frequency for EN/PWM pin: ο SY7201: 20kHz~1MHz ο SY7201A: 100Hz~10kHz
● Internal softstart limits the inrush current
● Open LED over voltage protection
● RoHS Compliant and Halogen Free
● Compact package: SOT23-6 pin
APPLICATIONS
● GPS Navigation Systems● Handheld Devices
● Portable Media Players Typical
APPLICATIONS
L D Vin Cin Dimming IN LX EN/PWM OVP GND FB R1 Figure 1. Schematic Diagram Vout Cout AN_SY7201/A Rev. 0.9 Silergy Corp. Confidential- Prepared for Customer Use Only 1 Pinout (top view) AN_SY7201/SY7201A Pin Name LX GND FB EN/PWM OVP IN (SOT23-6, TSOT23-6) Part Number Package type Top Mark① SY7201ABC SOT23-6 DQxyz SY7201ADC TSOT23-6 GJxyz SY7201AABC SOT23-6 FDxyz Note① ： x=year code, y=week code, z= lot number code. Pin Number PinDESCRIPTION
1 Inductor node. Connect an inductor between IN pin and LX pin. 2 Ground pin.
