参数资料
型号: DS3882E+T&R/C
厂商: Maxim Integrated
文件页数: 21/31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)
Dual-Channel Automotive CCFL Controller
Table 5a. Soft-Start Protocol Registers (SSPx) [Shadowed-EEPROM, F0h, F1h, F2h, F3h]
SSP#
ADDR
FACTORY
DEFAULT
MSB
7
6
5
4
3
2
1
LSB
0
SSP1
SSP2
SSP3
SSP4
F0h
F1h
F2h
F3h
21h
43h
65h
77h
LST1
RSVD
RSVD
RSVD
Lamp Cycles 3 and 4
Lamp Cycles 7 and 8
Lamp Cycles 11 and 12
Lamp Cycles 15 and 16
LST0
RSVD
RSVD
RSVD
Lamp Cycles 1 and 2
Lamp Cycles 5 and 6
Lamp Cycles 9 and 10
Lamp Cycles 13 and 14
Table 5b. MOSFET Duty Cycle (MDC) ? Codes for Soft-Start Settings
BIT
0
R/W
R/W
NAME
MDC0
FUNCTION
MDC0/1/2: These bits determine a MOSFET duty cycle that will repeat twice in the
16 lamp cycle soft-start.
1
R/W
MDC1
MDC CODE
MOSFET DUTY CYCLE
MDC CODE
MOSFET DUTY CYCLE
2
R/W
MDC2
0h
1h
Fixed at 0%
Fixed at 3%
4h
5h
Fixed at 13%
Fixed at 16%
2h
Fixed at 6%
6h
Fixed at 19%
3
R/W
LST0 / RSVD
3h
Fixed at 9%
7h
Most Recent Value
4
R/W
MDC0
LST0/1: These bits select strike and lamp-out timeout. LST0 and LST1
control fault behavior for all lamps.
5
6
7
R/W
R/W
R/W
MDC1
MDC2
LST1 / RSVD
LST1
0
0
1
1
LST0
0
1
0
1
STRIKE AND LAMP-OUT TIMEOUT
(LAMP FREQUENCY CYCLES)
32,768
65,536
98,304
Reserved
EXAMPLE TIMEOUT IF
LAMP FREQUENCY IS 50kHz
0.66 Seconds
1.31 Seconds
1.97 Seconds
____________________________________________________________________
21
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