The DS3984 is a 4-channel controller for cold-cathode fluorescent lamps (CCFLs) used to backlight liquid crystal displays (LCDs) in TV and PC monitor applications. The DS3984 supports configurations of 1 to 4 lamps, and multiple DS3984 controllers can be cascaded to support applications requiring more than 4 lamps. Features ♦ High-Density CCFL Controller fo.
♦ High-Density CCFL Controller for LCD TV and PC Monitor Backlights ♦ Can Be Easily Cascaded to Support More Than 4 Lamps ♦ Minimal External Components ♦ Analog Brightness Control ♦ Per-Channel Lamp Control Ensures Equal Brightness Among Lamps and Maximizes Lamp Life ♦ Gate Driver Phasing Minimizes DC Supply Current Surges ♦ Per-Channel Lamp Fault Monitoring for Lamp Open, Lamp Overcurrent, Failure to Strike, and Overvoltage Conditions ♦ Accurate (±5%) Independent On-Board Oscillators for Lamp Frequency (40kHz to 80kHz) and DPWM Burst Dimming Frequency (22.5Hz to 440Hz) ♦ Can Be Synchronized t.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | DS3988 |
Maxim Integrated Products |
8-Channel Cold-Cathode Fluorescent Lamp Controller | |
2 | DS3900 |
Dallas Semiconducotr |
Serial Communications Module | |
3 | DS3900P2 |
Maxim Integrated |
USB HID Communications Module | |
4 | DS3901 |
Maxim Integrated Products |
8-Bit NV Variable Resistor | |
5 | DS3903 |
Maxim Integrated Products |
Triple 128-Position Nonvolatile Digital Potentiometer | |
6 | DS3904 |
Dallas Semiconducotr |
Triple 128-Position Nonvolatile Digital Variable Resistor/Switch | |
7 | DS3905 |
Dallas Semiconducotr |
Triple 128-Position Nonvolatile Digital Variable Resistor/Switch | |
8 | DS3920 |
Maxim Integrated Products |
Fast Current Mirror | |
9 | DS3923 |
Maxim Integrated |
High-Speed Current Mirror | |
10 | DS3930 |
Maxim Integrated Products |
Hex Nonvolatile Potentiometer | |
11 | DS3992 |
Maxim Integrated Products |
2-Channel Push Pull CCFL Controller | |
12 | DS3994 |
Maxim Integrated Products |
4-Channel Cold Cathode Fluorescent Lamp Controller |