TB62737FUG 恒流LED驱动电源IC PWM,升压 背光 770KHz ~ 1.43MHz 2.8V ~ 5.5V SOT-163/SSOP6 LA6 高功率效率/热保护
恒流Constant Current | 是 YES |
恒压Constant Voltage | |
拓扑Topology | PWM,升压(升压) PWM, Step-Up (Boost) |
输出数Number of Outputs | 1 |
内部驱动器Internal Driver | 是 YES |
初级类型Type - Primary | 背光 Backlight |
次级类型Type - Secondary | 白色 LED White LED |
频率Frequency | 770KHz ~ 1.43MHz |
电源电压Voltage - Supply | 2.8V ~ 5.5V |
输出电压Voltage - Output | |
Description & Applications | FEATURES • TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic • Step-up DC-DC Converter for White LED Driver • Brightness control function with changing drive current: LED current IF = 25% to 100% (analog input) • LED current values controlled by external resistance : 20mA (typ.) @ RSENS=16Ω • Output power : 400 mW • High efficiency : maximum 87% (when used with components as recommended herein) • Switching Frequency : 1.1MHz(Typ.) • Package : SSOP6-P-0.95 (SOT23-6) |
描述与应用 | 特点 •东芝双极型线性集成电路硅单片 •升压型DC-DC转换器,白光LED驱动器 •亮度控制功能改变驱动电流: LED电流IF= 25%到100%(模拟输入) •通过外部电阻控制LED电流值:20MA(典型值)@ RSENS中=16Ω •输出功率:400毫瓦 •高效率:最大87%(此处建议使用组件时) •开关频率:1.1MHz的(典型值) •封装:SSOP6-P-0.95(SOT23-6) |
规格书PDF |