S-881300BPE LED驱动电源IC 背光 600KHz 2.7V ~ 4.5V 10-Pin SON(B) IOQ 恒流电路/软启动
| 恒流Constant Current | |
| 恒压Constant Voltage | |
| 拓扑Topology | |
| 输出数Number of Outputs | 3 |
| 内部驱动器Internal Driver | |
| 初级类型Type - Primary | 背光 Backlight |
| 次级类型Type - Secondary | 白色 LED White LED |
| 频率Frequency | 600KHz |
| 电源电压Voltage - Supply | 2.7V ~ 4.5V |
| 输出电压Voltage - Output | |
| Description & Applications | FEATURES • 3-CHANNEL WHITE LED DRIVER IC (CHARGE PUMP IC WITH BUILT-IN CONSTANT-CURRENT CIRCUIT) • PFM control CMOS charge pump • Built-in constant-current circuit • Power supply voltage: 2.7 V to 4.5 V • Output current value: A current variable is possible between 5.0 mA and 18 mA (At VIOUT1,2,3≤4.0 V, VIN=3.0 V) Variable voltage type and Variable current setting resistance type are available. • Terminal output current matching: ±1% max. • Built-in soft start circuit: 1.5 ms typ. • Constant current output pins: 3 channels, ±5% accuracy • Oscillation frequency: 600 kHz typ. • ON/OFF function provided (During standby: 1 µA max.) • Lead-free Applications • Power supply for white LED display backlights • Constant-current circuit • Cellular phones and PDAs using 1-cell lithium batteries • Power supply for flat panel displays |
| 描述与应用 | 特点 •3通道输出白色LED驱动IC（内置恒流电路充电泵IC） •PFM控制CMOS电荷泵 •内置恒流电路 •电源电压：2.7 V至4.5 V •输出电流值：电流5.0毫安和18毫安之间的变量是可能 （在VIOUT1，2,3≤VIN=4.0 V，3.0 V） 可变电压型和电流设置电阻式可供选择。 •端子输出电流匹配度：±1％最大。 •内置软启动电路：1.5毫秒（典型值）。 •恒流输出端子：3通道，精度±5％ •振荡频率：600 kHz的典型。 •开/关功能（待机时：最大1μA）。 •无铅 应用 •白光LED显示器背光电源 •恒流电路 •蜂窝电话和PDA使用1芯锂电池 •平板显示器的电源 |
| 规格书PDF |
