参数资料
型号: ISL97672AIRZ-TK
厂商: Intersil
文件页数: 8/16页
文件大小: 0K
描述: IC LED DRVR LOW DIMMING 20QFN
标准包装: 1,000
拓扑: PWM,升压(升压)
输出数: 6
内部驱动器:
类型 - 主要: 背光
频率: 200kHz ~ 1.5MHz
电源电压: 4.5 V ~ 26.5 V
输出电压: 45V
安装类型: 表面贴装
封装/外壳: 20-VFQFN 裸露焊盘
供应商设备封装: 20-QFN(3x4)
包装: 带卷 (TR)
工作温度: -40°C ~ 85°C
ISL97672A
V_OUT
Typical Performance Curves
V_OUT
(Continued)
6P12S, 20mA/CH
V IN = 10V/DI          V
V_EN
V_EN
10.0ms/DIV
V_LX
ILED = 20mA/DIV
I _V IN = 1A/DI        V
I_INDUCTOR
I_INDUCTOR
EN
FIGURE 13. STARTUP WAVEFORMS AT V IN = 12V FOR 6P12S AT
20mA/CHANNEL
6P12S, 20mA/CH
V IN = 10V/DIV
10.0ms/DIV
I_V IN = 1A/DIV
FIGURE 14. LINE REGULATION WITH V IN CHANGE FROM 6V TO 26V,
6P12S AT 20mA/CHANNEL
6P12S, 20mA/CH
V O = 1V/DIV
10.0ms/DIV
ILED = 20mA/DIV
ILED = 20mA/DIV
EN
FIGURE 15. LINE REGULATION WITH V IN CHANGE FROM 26V TO 6V
FOR 6P12S AT 20mA/CHANNEL
6P12S, 20mA/CH
FIGURE 16. BOOST OUTPUT VOLTAGE WITH BRIGHTNESS CHANGE
FROM 0% TO 100%, V IN = 12V, 6P12S AT
20mA/CHANNEL
6P12S, 20mA/CH
V O = 10V/DIV
20.0ms/DIV
V O = 1V/DIV
10.0ms/DIV
ILED = 20mA/DIV
EN
ILED = 20mA/DIV
I_V IN = 1A/DIV
FIGURE 17. BOOST OUTPUT VOLTAGE WITH BRIGHTNESS CHANGE
FROM 100% TO 0%, V IN = 12V, 6P12S AT
20mA/CHANNEL
8
FIGURE 18. ISL97672A SHUTS DOWN AND STOPS SWITCHING
~30ms AFTER EN GOES LOW
FN7710.3
November 22, 2013
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