参数资料
型号: LDS8720
厂商: IXYS
文件页数: 4/10页
文件大小: 0K
描述: IC LED DRIVER PWM 25MA 8TDFN
标准包装: 1
拓扑: PWM,升压(升压)
输出数: 1
内部驱动器:
类型 - 主要: 背光
类型 - 次要: 白色 LED
频率: 700kHz
电源电压: 2.7 V ~ 5.5 V
安装类型: 表面贴装
封装/外壳: 8-WFDFN 裸露焊盘
供应商设备封装: 8-TDFN
包装: 标准包装
工作温度: -40°C ~ 85°C
其它名称: LDS8720DKR
LDS8720
TYPICAL CHARACTERISTICS
Vin = 3.6V, I OUT = 30mA (10 LEDs per string), C IN = 1 μ F, C OUT = 1 μ F, L = 22 μH, T AMB = 25°C unless otherwise specified
Waveforms at PWM LED Current Regulation
Ch 1 (yellow) – PWM signal at 1 kHz 5% duty cycle
C2 (green) – SW node voltage, Ch 3(red) – LED Current.
Ch4 (blue) - V OUT
Waveforms at PWM LED Current Regulation
Ch 1 (yellow) – PWM signal at 30 kHz 25% duty cycle
C2 (green) – SW node voltage, Ch 3(red) – LED Current.
Ch4 (blue) - V OUT
Waveforms at PWM LED Current Regulation
Ch 1 (yellow) – PWM signal at 1 kHz 98% duty cycle
C2 (green) – SW node voltage, Ch 3(red) – LED Current.
Ch4 (blue) - V OUT
Waveforms at PWM LED Current Regulation
Ch 1 (yellow) – PWM signal at 30 kHz 98% duty cycle
C2 (green) – SW node voltage, Ch 3(red) – LED Current.
Ch4 (blue) - V OUT
? 2011 IXYS Corp.
Characteristics subject to change without notice
4
Doc. No. 8720DS, Rev. N1.1
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