CXLE87161是一个电流模式单片降压LED驱动器。CXLE87161在4.5V-28V的输入范围内工作，通过两个集成的N通道MOSFET提供1.2A的连续输出电流。内部同步功率开关无需使用外部肖特基二极管即可提供高效率。它将模拟调光模式和脉冲宽度调制信号合并到一个控制管脚上模拟调光模式。CXLE87161通过LED短路保护、热保护、启动电流失控保护、输入欠压锁定，确保了稳健性。
4.5V至28V工作输入范围1.2A输出电流
最高94%的效率@车辆识别号=12V，输出电压=6V，输入电压=1.2A
1MHz开关频率
输入欠压锁定
启动电流失控保护
LED短路保护
热保护
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[ CXLE87161 ]
目录
7.相关产品
产品概述 返回TOP
The CXLE87161 is a current mode monolithic buck LED driver. Operating with an input range of 4.5V-28V, CXLE87161 delivers 1.2A of continuous output current with two integrated N-Channel MOSFETs. The internal synchronous power switches provide high efficiency without the use of an external Schottky diode. It incorporates analog dimming mode and PWM signal to analogy dimming mode onto a single control pin. The CXLE87161 guarantees robustness with LED short protection, thermal protection, start-up current run-away protection, input under voltage lockout. The CXLE87161 is available in 6-pin SOT23 packages, which provide a compact solution with minimal external components.
产品特点 返回TOP
4.5V to 28V operating input range 1.2A output current
Up to 94% efficiency @ Vin=12V, Vout=6V, ILED=1.2A
1MHz Switching frequency
Input under voltage lockout
Start-up current run-away protection
LED short protection
Thermal protection
Available in SOT23-6 packages
应用范围 返回TOP
IP camera and CCD camera
Flash light
Display cabinet lamp
LED Sign
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产品封装图 返回TOP
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电路原理图 返回TOP
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产品型号 |
封装 |
拓扑 |
频率 |
输入 |
调光 |
过流保护 |
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Vin(V) |
Iout(A) |
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ESOP8 SOT23-6 |
Buck, Boost |
Constant 2us toff |
4.6~44 |
2A peak |
PWM/Analog |
Y |
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SOT23-6 |
Buck |
1MHz |
3.8~24 |
2A |
PWM/Analog |
Y |
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SOT23-6 |
Buck |
Constant 2us toff |
4.6~30 |
2A peak |
PWM/Analog |
Y |
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SOT23-6 |
Buck |
1MHz |
4.5~28 |
1.2A |
PWM/Analog |
Y |
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