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参数资料
| 型号： | DS3988T+T&R |
| 厂商： | Maxim Integrated |
| 文件页数： | 12/23页 |
| 文件大小： | 0K |
| 描述： | IC CCFL CNTRLR 8CH 48TQFP |
| 标准包装： | 2,000 |
| 类型： | CCFL 控制器 |
| 频率： | 40 ~ 80 kHz |
| 电流 - 电源： | 15mA |
| 电源电压： | 4.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 48-LQFP |
| 供应商设备封装： | 48-LQFP（7x7） |
| 包装： | 带卷 (TR) |
8-Channel Cold-Cathode
Fluorescent Lamp Controller
ANALOG
ANALOG
BRIGHTNESS
0.5V
2.0V
BRIGHT
BRIGHTNESS
0.5V
2.0V
BRIGHT
RESISTOR-SET
DIMMING
FREQUENCY
RESISTOR-SET
PSYNC
LSYNC
POSC
LOSC
DS3988
LAMP FREQUENCY SOURCE
DPWM SOURCE
LAMP CLOCK
(40kHz TO 80kHz)
RESISTOR-SET
PSYNC
LSYNC
POSC
LOSC
DS3988
LAMP FREQUENCY RECEIVER
DPWM SOURCE
LAMP FREQUENCY
BRIGHT
DIMMING FREQUENCY
BRIGHT
PSYNC
DS3988
PSYNC
DS3988
ANALOG
LSYNC LAMP FREQUENCY RECEIVER
POSC DPWM RECEIVER
LOSC
ANALOG
LSYNC LAMP FREQUENCY RECEIVER
POSC DPWM RECEIVER
LOSC
BRIGHTNESS
0.5V
2.0V
BRIGHT
BRIGHTNESS
0.5V
2.0V
BRIGHT
DIMMING CLOCK
(22.5Hz TO 440Hz)
RESISTOR-SET
PSYNC
LSYNC
POSC
LOSC
DS3988
LAMP FREQUENCY SOURCE
DPWM SOURCE
LAMP CLOCK
(40kHz TO 80kHz)
DIMMING CLOCK
(22.5Hz TO 440Hz)
PSYNC
LSYNC
POSC
LOSC
DS3988
LAMP FREQUENCY RECEIVER
DPWM SOURCE
LAMP FREQUENCY
BRIGHT
BRIGHT
PSYNC
DS3988
PSYNC
DS3988
LSYNC LAMP FREQUENCY RECEIVER
POSC DPWM RECEIVER
LOSC
LSYNC LAMP FREQUENCY RECEIVER
POSC DPWM RECEIVER
LOSC
DPWM SIGNAL
(22.5Hz TO 440Hz)
BRIGHT
PSYNC
LSYNC
POSC
DS3988
LAMP FREQUENCY SOURCE
DPWM RECEIVER
DPWM SIGNAL
(22.5Hz TO 440Hz)
LAMP CLOCK
(40kHz TO 80kHz)
BRIGHT
PSYNC
LSYNC
POSC
DS3988
LAMP FREQUENCY RECEIVER
DPWM RECEIVER
RESISTOR-SET
LAMP FREQUENCY
LOSC
BRIGHT
LOSC
BRIGHT
PSYNC
DS3988
PSYNC
DS3988
LSYNC LAMP FREQUENCY RECEIVER
POSC DPWM RECEIVER
LOSC
Figure 5. Frequency Configuration Options for Designs Using Multiple DS3988s
LSYNC LAMP FREQUENCY RECEIVER
POSC DPWM RECEIVER
LOSC
Configuring Systems with
Multiple DS3988s
The source and receiver options for the lamp frequency
clock and DPWM signal allow multiple DS3988s to be
synchronized in systems requiring more than 8 lamps.
The lamp and dimming clocks can either be generated
on board the DS3988 using external resistors to set the
frequency, or they can be sourced by the host system
to synchronize the DS3988 to other system resources.
Figure 5 shows various multiple DS3988 configurations
that allow both lamp and/or DPWM synchronization for
all DS3988s in the system.
12
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS3991 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Low-Cost CCFL Controller |
| DS3991V | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Low-Cost CCFL Controller |
| DS3991VC | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Low-Cost CCFL Controller |
| DS3991VR | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Low-Cost CCFL Controller |
| DS3991VRC | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Low-Cost CCFL Controller |
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