
Fairchild Semiconductor
Description
The FAN5701 is a highly integrated and efficient charge-pump-based multi-LED driver. The device can drive up to six LEDs in parallel with a total output current of 180mA.
FEATUREs
■ Six (6) Parallel LEDs (up to 30mA each)
■ Total Package Load Current Capability: 180mA
■ Two Default Groups of Four (4) and Two (2) LEDs for Main and Sub-Display Lighting with Individual PWM Dimming Controls that Operate up to 20kHz
■ >600:1 Dimming Ratio for 100Hz PWM Frequency
■ Up to 92% Efficiency
■ Built-in 1.5x Charge Pump with Low-Dropout Bypass Switch
■ Wide Input Range: 2.7V to 5.5V
■ VOUT Over-Voltage and Short-Circuit Protection
■ Over-Temperature Protection
■ 1.2MHz Switching Frequency for Small-Sized Capacitors
■ 16-Bump 1.61mm x 1.61mm WLCSP (0.6mm Height)
■ 16-Lead 3.0mm x 3.0mm UMLP (0.55mm Height)
APPLICATIONs
■ LCD Backlighting
■ Keypad Backlighting
■ Mobile Handsets
■ Portable Media Player