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参数资料
| 型号： | MX881R |
| 厂商： | IXYS CORP |
| 元件分类： | 显示驱动器 |
| 中文描述： | LED DISPLAY DRIVER, PDSO16 |
| 封装： | 3 X 5 MM, DFN-16 |
| 文件页数： | 6/13页 |
| 文件大小： | 398K |
| 代理商： | MX881R |
MX881
IXYS
Boost Switch: When turned on, current flows in the primary of the flyback transformer. The energy
stored in the transformer is transferred to the secondary as high voltage when the boost switch is turned
off.
IGBT Driver: Switches the VCC supply to the IGBT gate when the FLASH signal is brought high. If
FLASH is low, the IGBT gate is driven to ground.
LED Driver: When LED_EN is high, the LED pin will sink 100mA to GND. If LED_EN is low, the LED
pin is high impedance.
Pin Description
Pin No.
Pin Name
Description
11
VCC
Supply voltage from battery, (3.0V – 5.5V). Must be connected to VDVCC.
7
DVCC
Digital supply voltage for I/O logic (1.65V-5.5V)
15
CHARGE
Low level stops the charging cycle and puts the device into power down mode.
Charge remains on the high voltage capacitor. A high level starts a charging cycle.
Charging continues until either the correct voltage is reached or CHARGE is brought
low.
6
DONE
Open drain output that transitions high when the capacitor reaches the desired
voltage. This output is normally high except when charging so that standby current is
minimized. (Pull-up resistor not sourcing current).
12
VFB
Feedback voltage input from voltage divider that determines when the output has
reached the desired voltage.
14
FLASH
A high level will cause the IGBT to turn on firing the flash. A low level will turn the
IGBT off. FLASH can be brought low to shorten the flash pulse for red-eye reduction.
16
ISEL
High level enables the I
2C interface, low level enables SPI interface.
1
SCEn
Serial port chip enable. A low on this pin enables the SPI interface to receive data. If
SCEn is asserted low while in the I2C mode, the serial interface and control register
are reset.
4
SCLK
Clock input for SPI and I
2C interface.
2
SDATA
Data input and output for SPI interface. Data input and acknowledge/data output for
I
2C interface. This output is open drain for I2C output data.
3
SW
Connection to internal power transistor that drives the negative terminal of the
transformer primary coil.
13
LSEC
Connection to negative terminal of the transformer secondary. This input is grounded
internally through a low impedance used to sense the secondary transformer current.
9
IGBTGATE
IGBT Gate driver output.
5
LED_EN
A high level will cause the 100mA LED current regulator to turn on.
VF = VBATT
10
LED
100mA LED current regulator. Connect the cathode of the torch LED to this pin.
VF = VBATT
Exposed
Pad
GND
Ground Terminal.
8
N/C
No Connect. Do not connect to any signal, ground or power source.
MX881
2
7/30/07
Drawing No. 088109
www.claremicronix.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MX881RTR | 功能描述:LED照明驱动器 Amps V RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体: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 制造商全称:Murata Manufacturing Co., Ltd. 功能描述:Precision, High-Speed 8-Channel, Analog Multiplexers |
| MX884 | 制造商:IXYS 制造商全称:IXYS Corporation 功能描述:High-Side Current Monitor With 10-Bit Serial Digital Output |
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