TB62731FUG LED驱动电源IC 线性 升压 350KHz 3.0V ~ 5.5V 28V SOT-163/SSOP6 JA1 高功率效率/热保护
| 恒流Constant Current | |
| 恒压Constant Voltage | |
| 拓扑Topology | 线性 升压 Liner Set-Up |
| 输出数Number of Outputs | |
| 内部驱动器Internal Driver | |
| 初级类型Type - Primary | |
| 次级类型Type - Secondary | 白色 LED White LED |
| 频率Frequency | 350KHz |
| 电源电压Voltage - Supply | 3.0V ~ 5.5V |
| 输出电压Voltage - Output | 28V |
| Description & Applications | FEATURES • TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic • Step-up DC-DC Converter for White LED Driver • Maximum output voltage: Vo ≤ 28 V • Mean LED current values set according to external resistor 14 mA (typ.) @R_sens = 2.7 Ω 20 mA (typ.) @R_sens = 1.8 Ω • Supply power: Up to 320 mW supported • Compact package: SSOP6-P-0.95B, 6 pins • Built-in temperature derating function: LED current derated automatically depending on temperature • High power efficiency Up to 80% of peak power efficiency achieved using recommended components Ron = 2.0 Ω (typ.) @VIN = 3.2~5.5 V Built-in low Ron power MOS switch |
| 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 •最大输出电压：VO≤28 V •平均LED电流值根据外部电阻设置 14 mA（典型值）@ R_sens=2.7Ω 20 mA（典型）@ R_sens= 1.8Ω •供电：支持高达320毫瓦 •小型封装：SSOP6-P-0.95B，6针 •内置的温度降额功能：LED电流降额根据温度自动 •高功率效率 峰值功率效率高达80％，实现使用推荐的组件 罗恩= 2.0Ω（典型值）@ VIN=3.2〜5.5 V 内置低Ron功率MOS开关 |
| 规格书PDF |
