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参数资料
| 型号： | DS3882E+T&R/C |
| 厂商： | Maxim Integrated |
| 文件页数： | 22/31页 |
| 文件大小： | 0K |
| 描述： | IC AUTO CCFL CTRLR 2CH 28-TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 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： | 28-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 28-TSSOP |
| 包装： | 带卷 (TR) |
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Dual-Channel Automotive CCFL Controller
Table 6. 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.
Fault Response Select
6
R/W
0
FRS
0 = Disable only the malfunctioning channel.
1 = Disable both channels upon fault detection on any channel.
DPWM Disable
7
R/W
0
DPD
0 = DPWM function enabled.
1 = DPWM function disabled.
22
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