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參數(shù)資料
| 型號： | MX881R |
| 廠商： | IXYS CORP |
| 元件分類： | 顯示驅(qū)動器 |
| 中文描述： | LED DISPLAY DRIVER, PDSO16 |
| 封裝： | 3 X 5 MM, DFN-16 |
| 文件頁數(shù)： | 9/13頁 |
| 文件大?。?/td> | 398K |
| 代理商： | MX881R |
MX881
IXYS
AC Characteristics
Junction temperature range 0 to + 115
°C
Symbol
Parameter
Condition
Min
Typ
Max
Unit
TSTART
CHARGE High to Beginning of
Charge Cycle
110
S
TEND
CHARGE Low to End of Charge
Cycle
100
nS
TIGBT-ON
FLASH High to IGBTGATE High
CL = 6.8nF, 10% to
90%
100
nS
TIGBT-OFF
FLASH Low to IGBTGATE Low
CL = 6.8nF, 90% to
10%
100
nS
TLED-ON
LED_EN High to Iout > 90mA
TBD
S
TLED-OFF
LED_EN Low to Iout < 1mA
TBD
S
Control Register
The MX881 control register is a 5 bit register that allows the user to program the maximum output
voltage and the maximum average battery current during the charge cycle. Table1 shows how the bits in
the control register are assigned. ABC(2:0) are used to set the average battery current and OVS(1:0) are
used to set the output voltage selection reference.
Table 1 – Control Register
BIT:
D4
D3
D2
D1
D0
Control:
OVS1
OVS0
ABC2
ABC1
ABC0
Output Voltage Selection
The MX881 limits the high voltage placed on the external capacitor by comparing a divided down version
of the secondary flyback voltage to an internal voltage. This internal voltage is programmable to 4
discrete values to allow the user to change the flash energy. The external voltage divider ratio needed to
obtain 330V maximum output voltage should be 269 to 1. This external resistor divider network is also
used to form a low pass filter with an internal capacitor so it is important that the equivalent resistance of
the voltage divider network be 3K ohms. Table 2 shows the internal reference values used for possible
values of the capacitor charge voltage. The default value is 11.
Table 2 - Output Voltage Selection
OVS Value (Binary)
Reference Voltage (VTRIP)
Capacitor Voltage
11
1.23
330
10
1.19
320
01
1.15
310
00
1.12
300
MX881
5
7/30/07
Drawing No. 088109
www.claremicronix.com
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MX881RTR | 功能描述:LED照明驅(qū)動器 Amps V RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| MX882 | 制造商:Behringer 功能描述:ULTRALINK Pro 8 Channel Splitter / Mixer 制造商:BEHRINGER 功能描述:ULTRALINK PRO 8 INPUT LINE SPLITTER / MIXER |
| MX882AEST | 制造商:BLACK BOX 功能描述:FIBRE OPTIC MULTIPLEXER |
| MX-883 | 制造商:MURATA 制造商全稱:Murata Manufacturing Co., Ltd. 功能描述:Precision, High-Speed 8-Channel, Analog Multiplexers |
| MX884 | 制造商:IXYS 制造商全稱:IXYS Corporation 功能描述:High-Side Current Monitor With 10-Bit Serial Digital Output |
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