FAN5340 — Synchronous Constant-Current Boost Series LED Driver with PWM Brightness Control
L1
April 2010
FAN5340 Synchronous Constant-Current Series Boost LED Driver with PWM Brightness Control and Integrated Load Disconnect
Features
Synchronous Current-Mode Boost Converter Up to 500mW Output Power Supports 2, 3, or 4 LEDs in Series 2.
7V to 4.
8V Input
Voltage Range 1.
2MHz Fixed Switching Frequency 1mA Maximum Quiescent Current Soft-Start Capability Input Under-
Voltage Lockout (UVLO) Output Over-
Voltage Protection (OVP) Short-Circuit Detection Thermal Shutdown (TSD) Protection 8-Lead 3.
00 x 3.
00mm MLP 8-Bump 1.
57 x 1.
57mm WLCSP
Applications
Cellular Phones, Smar...