宽输入电流模式升压高亮度LED驱动集成电路

CN5815是一款固定频率电流模式PWM控制器，用于升压型高亮度LED驱动。CN5815输入电压范围为4.5V到32V，驱动外部N沟道场效应晶体管(MOSFET)，LED电流通过外部电流检测电阻设置。CN5815内部集成有基准电压源单元，误差放大器，330KHz振荡器，斜坡补偿发生器，电流模式PWM控制单元，电感过流保护电路，LED亮度调整单元，芯片关断单元，软启动电路和栅极驱动电路等模块。CN5815采用电流模式PWM控制，改善了瞬态响应特性，简化了频率补偿网络。内置的软启动电路有效降低了上电时的浪涌电流。其它功能包括芯片关断功能，过压保护，LED亮度调整，内置5V电压调制器和斜坡补偿等。C • 恒流高亮度LED驱动\r\n• LED电流通过外部电阻设置\r\n• LED电流精度±10%\r\n• 峰值电流控制模式\r\n• 输入电压范围4.5V到 32V\r\n• 开关频率：330kHz\r\n• PWM亮度调整\r\n• 每个周期电感电流限制\r\n• 内部斜坡产生电路\r\n• 内部软启动电路\r\n• 内置＋5V电压调制单元\r\n• 低关断电流\r\n• 工作环境温度范围：\r\n• 采用10管脚SSOP封装\r\n• 产品无铅，满足Rohs，不含卤素;

Consonance

上海如韵

4.5V to 32V Input, Constant Current Boost HB LED Driver

文件：352.29 Kbytes 页数：12 Pages

CONSONANCE

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BiMOS II 8-BIT LATCHED SOURCE DRIVERS

Designed primarily for use with high-voltage vacuum-fluorescent displays, the UCN5815A and UCN5815EP BiMOS II integrated circuits consist of eight npn Darlington source drivers with output pull down resistors, a CMOS latch for each driver, and common STROBE, BLANKING, and ENABLE functions. BiMO

文件：157.2 Kbytes 页数：6 Pages

ALLEGRO

BiMOS II 8-BIT LATCHED SOURCE DRIVERS

Designed primarily for use with high-voltage vacuum-fluorescent displays, the UCN5815A and UCN5815EP BiMOS II integrated circuits consist of eight npn Darlington source drivers with output pull down resistors, a CMOS latch for each driver, and common STROBE, BLANKING, and ENABLE functions. BiMO

文件：157.2 Kbytes 页数：6 Pages

ALLEGRO

BiMOS II 8-BIT LATCHED SOURCE DRIVERS

Designed primarily for use with high-voltage vacuum-fluorescent displays, the UCN5815A and UCN5815EP BiMOS II integrated circuits consist of eight npn Darlington source drivers with output pull down resistors, a CMOS latch for each driver, and common STROBE, BLANKING, and ENABLE functions. BiMO

文件：157.2 Kbytes 页数：6 Pages

ALLEGRO