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  • Model：TB62731FUG
  • Manufacturer：HUABAN
  • Date Code：05+NOPB
  • Standard Package：3000
  • Min Order：10
  • Mark/silk print/code/type：JA1
  • Package：SOT-163/SSOP6

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 & ApplicationsFEATURES • 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

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