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IMP527/D1 PDF预览

IMP527/D1

更新时间： 2024-01-15 13:26:33
品牌 Logo 应用领域
IMP 驱动器电池
页数 文件大小 规格书
8页 151K
描述
SINGLE CELL BATTERY POWERED ELECTROLUMINESCENT LAMP DRIVER/INVERTER

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中文翻译

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IMP527/D1 技术参数

生命周期：Obsolete零件包装代码：DIE
包装说明：,Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.84其他特性：180V PEAK-TO-PEAK TYPICAL AC OUTPUT VOLTAGE
接口集成电路类型：HALF BRIDGE BASED PERIPHERAL DRIVERJESD-30 代码：X-XUUC-N
功能数量：1输出电流流向：SOURCE AND SINK
封装主体材料：UNSPECIFIED封装形状：UNSPECIFIED
封装形式：UNCASED CHIP认证状态：Not Qualified
表面贴装：YES技术：CMOS
端子形式：NO LEAD端子位置：UPPER
Base Number Matches：1

IMP527/D1 数据手册

 浏览型号IMP527/D1的Datasheet PDF文件第1页浏览型号IMP527/D1的Datasheet PDF文件第2页浏览型号IMP527/D1的Datasheet PDF文件第3页浏览型号IMP527/D1的Datasheet PDF文件第5页浏览型号IMP527/D1的Datasheet PDF文件第6页浏览型号IMP527/D1的Datasheet PDF文件第7页 
IMP527  
Pin Descriptions  
Pin Number  
Name  
VDD  
Function  
1
Positive voltage supply for the IMP527. Inductor L may be connected here or to a  
separate supply.  
2
3
RSW-OSC  
CS  
Switch-mode resistor pin. Switching frequency is determined by external resistor RSW,  
connected between pin 2 and VDD  
.
Boost converter storage capacitor. The voltage across the EL lamp is equal to twice the  
voltage at CS.  
4
5
6
LX  
GND  
VB  
Connection to flyback inductance, L.  
Ground pin.  
EL lamp drive. The lamp is connected to a high-voltage bridge circuit with VB providing  
the complementary connection to V .  
A
7
8
V
EL lamp drive. (See above)  
A
REL-OSC  
The EL lamp oscillator frequency-setting pin. The frequency is controlled by resistor REL  
,
connected from pin 8 to VDD  
.
Disable Pad  
DIS  
Available only in die form. Setting DIS HIGH disables the chip.  
External Components  
External Component  
Diode  
Description and Selection Guide  
A fast reverse recovery diode, with BV > 100, such as a 1N4148.  
Capacitor CS  
The high voltage capacitor that stores the inductive energy transferred through the  
catch diode. A 100 volt capacitor between 10nF and 100nF is recommended.  
Resistor REL  
The EL lamp oscillator frequency-setting resistor. REL is connected between pin 8 and VDD,  
providing a frequency inversely proportional to REL; as REL increases, the EL lamp frequency  
decreases along with the current drawn by the lamp. Lamp color is also determined by this  
frequency. A 1MΩ resistor between the REL-OSC pin and the VDD supply results in a lamp  
frequency around 500Hz.  
Resistor RSW  
Switching Oscillator frequency-setting resistor. RSW is connected between the RSW-OSC pin and  
the VDD supply. The switching frequency is inversely proportional to the resistor value, dropping  
as the resistance increases.  
Capacitor CSW  
Inductor L  
This is an optional noise-suppression capacitor connected from ground to the RSW-OSC pin.  
A 100pF capacitor is recommended.  
The inductor provides the voltage boost needed by means of inductive “flyback”. The internal  
MOSFET switch alternately opens and closes the ground connection for the inductor at the  
LX pin. When the switch opens, the inductor potential will forward-bias the diode  
and the current will pass through to the storage capacitor CS, charging it to a high voltage.  
As the value of the inductor is increased, the switching frequency set by RSW should also be  
increased to prevent saturation. In general, smaller value inductors that can handle more current  
are more desirable when larger-area EL lamps must be driven.  
A small electrolytic capacitor (10µF, 16V), normally present across the inductor supply VIN,  
will likely eliminate the need for CSW  
.
ꢀ
4
408-432-9100/www.impweb.com  
© 2000 IMP, Inc.  
12345678

中文翻译

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