参数资料
型号: ISL97691IRTZ
厂商: Intersil
文件页数: 9/19页
文件大小: 0K
描述: IC LED DRVR BACKLIGHT 3D 16TQFN
标准包装: 100
拓扑: PWM,升压(升压)
输出数: 4
内部驱动器:
类型 - 主要: 背光
频率: 400kHz ~ 1.5MHz
电源电压: 2.4 V ~ 5.5 V
输出电压: 26V
安装类型: 表面贴装
封装/外壳: 16-WFQFN 裸露焊盘
供应商设备封装: 16-TQFN(3x3)
包装: 管件
工作温度: -40°C ~ 85°C
ISL97691
Typical Performance Curves
I_L
V_OUT
V_LX
V_CH
(Continued)
I_L
V_OUT
V_LX
V_CH
FIGURE 9. 100% DIRECT PWM DIMMING (V IN = 3.7V, I CH = 20mA,
f DIM = 200Hz, LEDs = 4P7S)
I_L
V_OUT
V_LX
V_CH
FIGURE 11. BOOST SWITCHING AND CHANNEL VOLTAGE RIPPLE
(V IN = 3.7V , I CH = 20mA, f DIM = 200Hz, LEDs = 4P7S,
22μH, f SW = 600kHz)
FIGURE 13. BOOST FET CURRENT LIMIT
9
FIGURE 10. 50% DIRECT PWM DIMMING (V IN = 3.7V , I CH = 20mA,
f DIM = 200Hz, LEDs = 4P7S)
PWM INPUT
I_CH
FIGURE 12. MINIMUM DIMMING DUTY CYCLE (PWM DIMMING
INPUT 0.003%, f DIM = 100Hz)
Binary: 111111 (64)
Binary: 100000 (32)
Binary: 000000 (0)
100% ILED
50% ILED
0% ILED ( LED Turned OFF)
FIGURE 14. LED DC CURRENT CONTROL WITH 1-WIRE INTERFACE
FN7840.1
February 1, 2013
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ISL97691IRTZ-T 功能描述:IC LED DRVR BACKLIGHT 3D 16TQFN RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 恒定电流:- 恒定电压:- 拓扑:升压(升压),切换式电容器(充电泵) 输出数:1 内部驱动器:是 类型 - 主要:背光 类型 - 次要:白色 LED 频率:625kHz ~ 875kHz 电源电压:2.7 V ~ 5.3 V 输出电压:5V 安装类型:表面贴装 封装/外壳:10-TFSOP,10-MSOP(0.118",3.00mm 宽) 供应商设备封装:10-µMAX 包装:带卷 (TR) 工作温度:-40°C ~ 85°C
ISL97691IRTZ-TK 功能描述:IC LED DRVR BACKLIGHT 3D 16TQFN RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 恒定电流:- 恒定电压:- 拓扑:升压(升压),切换式电容器(充电泵) 输出数:1 内部驱动器:是 类型 - 主要:背光 类型 - 次要:白色 LED 频率:625kHz ~ 875kHz 电源电压:2.7 V ~ 5.3 V 输出电压:5V 安装类型:表面贴装 封装/外壳:10-TFSOP,10-MSOP(0.118",3.00mm 宽) 供应商设备封装:10-µMAX 包装:带卷 (TR) 工作温度:-40°C ~ 85°C
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