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参数资料
| 型号： | DS3988T+T&R |
| 厂商： | Maxim Integrated |
| 文件页数： | 8/23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
Functional Diagram
EEPROM
I 2 C DEVICE
CONFIGURATION
PORT
SDA
SCL
A0
I 2 C-
COMPATIBLE
INTERFACE
CONTROL REGISTERS
8-BYTE USER MEMORY
SYSTEM
ENABLE/POR
UVLO
V CC
[4.5V TO 5.5V]
2.0V
SVM
SUPPLY VOLTAGE
MONITOR
DS3988
FAULT
FAULT
HANDLING
CHANNEL FAULT
CHANNEL ENABLE
LCMn
LAMP FREQUENCY
INPUT/OUTPUT LSYNC
40kHz TO 80kHz
LFSS BIT AT
CR1.2
x512
PLL
8-PHASE
GENERATOR
[40kHz
TO 80kHz]
LAMP CURRENT
MONITOR
EXTERNAL RESISTOR
LAMP FREQUENCY SET
LOSC
40kHz TO 80kHz
OSCILLATOR ( ± 5%)
[20.48MHz TO 40.96MHz]
EIGHT
INDEPENDENT
CCFL
CONTROLLERS
OVDn
OVERVOLTAGE
DETECTION
DPSS BIT
AT CR1.3
MUX
RGSO BIT
0
GAn
DPWM SIGNAL
INPUT/OUTPUT PSYNC
AT CR1.4
1
1
MUX
MOSFET
GATE
GBn DRIVERS
ANALOG BRIGHTNESS
CONTROL BRIGHT
0
DPSS BIT
AT CR1.3
EXTERNAL RESISTOR
DPWM FREQUENCY SET/
DPWM CLOCK INPUT
POSC
0
1
MUX
POSCS BIT
AT CR1.1
RAMP
GENERATOR
DPWM
SIGNAL
22.5Hz TO 440Hz
OSCILLATOR ( ± 5%)
22.5Hz TO 440Hz
GND
8
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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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