参数资料
| 型号： | DS3984T+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 17/24页 |
| 文件大小： | 0K |
| 描述： | IC CCFL CNTRLR 4CH 32-TQFP |
| 标准包装： | 1 |
| 类型： | CCFL 控制器 |
| 频率： | 40 ~ 80 kHz |
| 电流 - 电源： | 12mA |
| 电源电压： | 4.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 32-TQFP |
| 供应商设备封装： | 32-TQFP（7x7） |
| 包装： | 托盘 |
4-Channel Cold-Cathode
Fluorescent Lamp Controller
Table 3. Control Register 1 (CR1)
BIT
0
NAME
LOC
FUNCTION
Lamp Overcurrent.
0 = Lamp overcurrent detection disabled.
1 = Lamp overcurrent detection enabled.
Note: Gate duty cycle changes during soft-start larger than 5% can cause false LOC fault.
POSC Select. See POSCR0 and POSCR1 bits in Control Register 2 to select the oscillator range.
1
POSCS 0 = Connect POSC to ground with a resistor to set the dimming frequency.
1 = Connect POSC to an external 22.5Hz to 440Hz dimming clock to set the dimming frequency.
Lamp Frequency Source Select.
2
3
4
5
6
7
LFSS
DPSS
RGSO
ARD
FRS
DPD
0 = Lamp frequency source mode. The lamp frequency is generated internally and sourced at the LSYNC
output for use by lamp frequency receivers.
1 = Lamp frequency receiver mode. The lamp frequency must be provided at the LSYNC input.
DPWM Signal Source Select.
0 = DPWM source mode. DPWM signal is generated internally, and can be output at PSYNC pin (see RGSO bit).
1 = DPWM receiver mode. DPWM signal is generated externally and supplied at the PSYNC input.
Ramp Generator Source Option.
0 = Sources DPWM at the PSYNC output.
1 = Sources the internal ramp generator at PSYNC output.
Autoretry Disable.
0 = Autoretry function enabled.
1 = Autoretry function disabled.
Fault Response Select.
0 = Disable only the malfunctioning channel.
1 = Disable all channels upon fault detection at any channel.
DPWM Disable.
0 = DPWM function enabled.
1 = DPWM function disabled. DPWM set to 100% duty cycle.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS3984T+ | 功能描述:显示驱动器和控制器 RoHS:否 制造商:Panasonic Electronic Components 工作电源电压:2.7 V to 5.5 V 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Reel |
| DS3984Z | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:4-Channel Cold-Cathode Fluorescent Lamp Controller |
| DS3984Z+ | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:4-Channel Cold-Cathode Fluorescent Lamp Controller |
| DS3988 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:8-Channel Cold-Cathode Fluorescent Lamp Controller |
| DS3988T | 功能描述:显示驱动器和控制器 RoHS:否 制造商:Panasonic Electronic Components 工作电源电压:2.7 V to 5.5 V 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Reel |
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