CXLE8115 is a highly integrated and cost effective Light Emitting Diode (LED) driver optimized for LCD monitor and LCD TV backlighting application. It provides a high performance LED backlight solution with minimized BOM count.
The CXLE8115 contains a PWM boost driver which uses current mode control and fixed frequency operation to regulate the LED current. The LED current is sensed through an external current sense resistor. The voltage across the sensing resistor is compared with reference level of 200mV, the error is amplified to control the pulse width of the power switch thus to regulate the current flowing the LED.
The CXLE8115 offers external low frequency PWM (LPWM) dimming method for a wide range of dimming control. The CXLE8115 offers comprehensive protection such as power MOSFET over current protection (OCP), output over voltage protection (OVP), IC power supply under voltage lockout (UVLO), and LED open protection
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[ CXLE8115 ]"
目录
产品概述 返回TOP
CXLE8115 is a highly integrated and cost effective Light Emitting Diode (LED) driver optimized for LCD monitor and LCD TV backlighting application. It provides a high performance LED backlight solution with minimized BOM count.
The CXLE8115 contains a PWM boost driver which uses current mode control and fixed frequency operation to regulate the LED current. The LED current is sensed through an external current sense resistor. The voltage across the sensing resistor is compared with reference level of 200mV, the error is amplified to control the pulse width of the power switch thus to regulate the current flowing the LED.
The CXLE8115 offers external low frequency PWM (LPWM) dimming method for a wide range of dimming control. The CXLE8115 offers comprehensive protection such as power MOSFET over current protection (OCP), output over voltage protection (OVP), IC power supply under voltage lockout (UVLO), and LED open protection
产品特点 返回TOP
Current Mode PWM Controller with Good Dynamic Response
10V to 35V Input Voltage Range
External PWM Dimming Mode
Over Voltage Protection
Over Current Protection
Under Voltage Lockout (UVLO)
Thermal Shutdown
应用范围 返回TOP
LCD Monitor
LCD TV
Flat panel display
技术规格书（产品PDF) 返回TOP
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产品封装图 返回TOP
电路原理图 返回TOP
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型号 |
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工作电 压范围 |
过压保 护电压 |
反馈电压 |
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效率 |
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PWM |
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29V |
0.1V |
320mA |
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0.1uA |
1.3MHz |
PWM |
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PWM |
2.2V-6.0V |
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0.25V |
400mA |
82% |
3mA |
1.4MHz |
PWM |
100Hz-1KHz |
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型号 |
工作模式 |
工作电 压范围 |
过压保 护电压 |
反馈电压 |
开关电 流限制 |
效率 |
静态电流 |
工作频率 |
调光形式 |
调光频 率范围 |
封装 |
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PWM |
2.2V-6.0V |
17V |
0.25V |
700mA |
82% |
3mA |
1.4MHz |
PWM |
100Hz-1KHz |
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PWM |
2.5V-6.0V |
23V |
0.25V |
1.0A |
88% |
0.4mA |
1.0MHz |
PWM |
100Hz-10KHz |
SOT-26 |
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PWM |
2.5V-6.0V |
30V |
0.104V |
400mA |
87% |
0.2mA |
1.2MHz |
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PWM |
2.7V-6.0V |
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0.2V |
1A |
91% |
5uA |
0.8MHz |
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PWM |
2.7V-6.0V |
37V |
0.3V |
900mA |
90% |
0.28mA |
0.9MHz |
PWM |
100Hz-200KHz |
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PWM |
2.5V-6.0V |
28V |
0.1V/0.25V /0.3V |
1.5A |
90% |
0.1uA |
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PWM |
20KHz-1MHz |
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PWM |
3.0V-25V |
28V |
0.2V |
2A |
90% |
1uA |
1.2MHz |
PWM |
20KHz-1MHz |
SOT-26 |
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PWM |
2.7V-6.5V |
22V |
0.2V |
2.8A |
95% |
5uA |
1MHz |
PWM |
SOT-26 |
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PWM |
3.0V-6.0V |
24V |
0.2V |
2.5A |
88% |
1uA |
1.2MHz |
PWM |
10KHz-100KHz |
SOT-26 |
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工作频率 |
调光形式 |
调光频 率范围 |
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PWM |
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0.2V |
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100uA |
800KHz |
PWM |
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PWM |
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100uA |
800KHz |
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PWM |
10V-35V |
200V |
0.2V |
扩流 |
400uA |
200KHz |
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PWM |
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0.22V |
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PWM |
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PWM |
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PWM |
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型号 |
工作模式 |
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