Document
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:
Open LED Protection (OLP) Short LED Protection (SLP) Switch Over Current Protection (OCP) Output Over Voltage Protection (OVP) 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.