dm115b通用8位恒流驱动芯片
the dm115b is the constant current driver specifically designed for led display applications. the value of constant current can be varied using an external resistor. the devices include an 8-bit shift register, latches, and constant current drivers on a single silicon cmos chip
features:maximum output voltage: 17v; maximum clock frequency: 25mhz (cascade operation);power supply voltage: 3.3v to 5.0v; cmos compatible input;package: pdip16, sop16, ssop16 pin layout and functionality are similar to those of the st2221a(each characteristic value is different.)。
constant current matching: (ta = 25°c、vdd= 5.0v)
chip-to-chip:±10.0%
bit-to-bit:±4.0% @ iout= 20 ~ 60ma
±6.0% @ iout= 5 ~ 20ma
dd311 单信道大功率恒流驱动IC最大1a最高耐压36v线性恒流ic
dd312 单信道大功率恒流驱动ic最大1a最高耐压18v线性恒流ic
dd313 三信道大功率恒流驱动ic 500ma r/g/b恒流驱动ic
dm412 三通道装饰照明专用可直接数据级联恒流ic 200ma r/g/b恒流驱动ic
dm413 三通道装饰照明专用pwm输出驱动ic 100ma r/g/b恒流驱动ic
dm114a,dm115a 新版8位驱动ic 主要是用于屏幕及灯饰
dm115b通用8位恒流驱动ic 恒流一致性及稳定性高
dm11c 8位驱动ic 具有短断点侦测及温度保护功能,屏幕灯饰使用
dm13c 16位驱动ic 具有短断点侦测及温度保护功能,屏幕灯饰使用 mbi5024gf tb62726afg
dm13a 16位恒流驱动,面对低端屏幕客户
dm132 16位1024级pwm输出驱动ic
dm133 16位开路检测&64级电流调整&过温警示驱动ic
dm134,dm135, dm136 16位驱动ic 主要用于led屏幕及护栏管
dm137 16位开,短路,过温智能侦测驱动ic
dm163 8x3信道4096级pwm驱动ic
dd211 二倍升压驱动ic 2-3.3v 最大升压100ma固定式恒流ic
dd212 1.5-5.5v二倍升压最大400ma电流输出驱动单颗led恒流ic
dd231 3信道驱动ic 5-30ma 可设置小体上电即亮型ic
dd233 4信道驱动ic 5-30ma 可设置小体、可开关型ic
pc112,pc113 2.8-5v四倍升压驱动20ma小功率多颗led恒流ic
st2225a 35输出信道之数字/字母led驱动芯片
详细规格书请参阅:http://www.yuketek.com/product/37.html