G5994

Global Mixed-mode Technology Inc. G5994 4-Channels HB-LED Driver with High Voltage DC-DC Controller Features „ 4 Channels „ Drive 20mA to 150mA Each Channel „ 100Hz to 25kHz Dimming Frequency „ Current Mode Boost Controller „ 10V to 30V Input Supply „ 50kHz to 2MHz Programmable Switching Frequency „ External Switching Frequency Synchronization „ Current Matching 2% „ Highest Vf String Detection for Regulation „ Protections: Š Open LED Protection (OLP) Š Short LED Protection (SLP) Š Switch Over Current Protection (OCP) Š Output Over Voltage Protection (OVP) Š Over Temperature Protection (OTP) „ TSSOP-20 (FD) Package „ RoHS Compliant Applications „ LCD TV LED Backlighting „ LCD Monitor LED Backlighting General Description The G5994 is an integrated HB-LED backlight driver that controls 4 channels of LED current for LCD backlight applications such as LCD TV and LCD monitor. The G5994 is capable for driving 20mA to 150mA white LEDs. The G5994’s 4 channels of volta...