参数资料
型号: DS3881E+T&R
厂商: Maxim Integrated
文件页数: 20/28页
文件大小: 0K
描述: IC CCFL CONTROL 24TSSOP
标准包装: 1,000
类型: CCFL 控制器
频率: 40 ~ 100 kHz
电流 - 电源: 12mA
电源电压: 4.75 V ~ 5.25 V
工作温度: -40°C ~ 105°C
封装/外壳: 24-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 24-TSSOP
包装: 带卷 (TR)
Single-Channel Automotive CCFL Controller
Table 5. Control Register 1 (CR1) [Shadowed-EEPROM, F4h]
BIT
R/W
FACTORY
DEFAULT
NAME
FUNCTION
Lamp Overcurrent Enable
0
R/W
0
LOCE
0 = Lamp overcurrent detection disabled.
1 = Lamp overcurrent detection enabled.
POSC Select. See POSCR0 and POSCR1 control bits in Control Register 2 to select
the oscillator range.
1
R/W
0
POSCS
0 = POSC input is connected with a resistor to ground to set the frequency of the
internal PWM oscillator.
1 = POSC input is a 22.5Hz to 440Hz clock.
Lamp Frequency Source Select
2
R/W
0
LFSS
0 = Lamp frequency generated internally and sourced from the LSYNC output.
1 = Lamp frequency generated externally and supplied to the LSYNC input.
DPWM Signal Source Select
3
R/W
0
DPSS
0 = DPWM signal generated internally and sourced from the PSYNC output.
1 = DPWM signal generated externally and supplied to the PSYNC input.
Ramp Generator Source Option
4
R/W
0
RGSO
0 = Source DPWM at the PSYNC output.
1 = Source internal ramp generator at the PSYNC output.
Autoretry Disable
5
R/W
0
ARD
0 = Autoretry function enabled.
1 = Autoretry function disabled.
6
R/W
0
RSVD
Reserved. Should be set to 0.
DPWM Disable
7
R/W
0
DPD
0 = DPWM function enabled.
1 = DPWM function disabled.
20
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