参数资料
型号: AOZ1977AI
厂商: Alpha & Omega Semiconductor Inc
文件页数: 8/16页
文件大小: 0K
描述: IC LED DRVR BCKLGT 16SOIC
标准包装: 3,000
系列: EZBoost™
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: 高亮度 LED(HBLED)
频率: 50kHz ~ 300kHz
电源电压: 8 V ~ 30 V
输出电压: 16V
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.154",3.90mm 宽)
供应商设备封装: 16-SOIC
包装: 带卷 (TR)
工作温度: -40°C ~ 85°C
AOZ1977
PWM Dimming Waveforms for PVIN = 130 V, VOUT = 195 V, ILED = 0.2 A, DBRT = 400 Hz
DBRT = 10%
1ms/div
DBRT = 90%
1ms/div
LED
Voltage
(50V/div)
LED
Current
(0.2A/div)
DBRT
(2V/div)
LED
Voltage
(50V/div)
LED
Current
(0.2A/div)
DBRT
(2V/div)
DBRT = 50%
1ms/div
Zoomed DBRT = 0.5%
2μs/div
LED
Voltage
(50V/div)
LED
Current
(0.2A/div)
DBRT
(2V/div)
LED
Voltage
(50V/div)
LED
Current
(0.2A/div)
DBRT
(2V/div)
PVIN = 130 V, VOUT = 195 V, ILED = 0.2 A, DBRT Duty Cycle = 100%
LED
Voltage
(50V/div)
LED
Current
(100mA/div)
VDD
(5V/div)
20ms/div
Rev. 2.1 May 2012
www.aosmd.com
Page 8 of 16
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