SY8751 - Silergy

SY8751 500kHz White LED Driver

SY8751 is a high efficiency, 5V-80V wide input voltage range DC/DC regulator targeting at LED applications. The device integrates the low RDS(ON) MOSFET and internal compensation.SY8751 supports analog dimming with PWM signal/Analog signal. Ordering Information SY8751 □(□□)□ Ordering Number SY8751FCC Tempera ture Code Packa ge Code Optiona l Spec Code Pac.

Features

 Wide input range: 5-80 V
 500kHz switching frequency
 Integrated low RDS(ON) FET
 Analog dimming with PWM signal/Analog signal
 Maximum output LED current 1.2A
 Compact package: SO8E Applications
 LED lighting Figure 1. Schematic diagram AN_SY8751 Rev. 0.1 Silergy Corp. Confidential- Prepared for Customer Use Only 1 Pinout (top view) SY8751 SO8E Top Mark: BJAxyz (device code: BJA, x=year code, y=week code, z= lot number code) Pin Name SEN IN TM GND LX EN CF S08E 1 2 3 4 5,6 7 8 Pin Description Negative Current Sense Pin. Input pin. Decouple this pin to GND pin with 1uF ceramic.