参数资料
型号: MAX1984ETP+
厂商: Maxim Integrated
文件页数: 5/17页
文件大小: 0K
描述: IC LED DRVR WHITE BCKLGT 20-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 75
拓扑: PWM,升压(升压)
输出数: 8
内部驱动器:
类型 - 主要: 背光
类型 - 次要: 白色 LED
频率: 800kHz ~ 1.2MHz
电源电压: 2.7 V ~ 5.5 V
安装类型: 表面贴装
封装/外壳: 20-WFQFN 裸露焊盘
供应商设备封装: 20-TQFN-EP
包装: 管件
工作温度: -40°C ~ 85°C
Ultra-High-Efficiency White
LED Drivers
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1; V IN = 3.3V, SETI = BITA = BITB = BITC = SEL = IN, MODE = GND, C OUT = 4.7μF, C REF = 0.22μF, T A = -40 ° C to
+85 ° C , unless otherwise noted.) (Note 3)
PARAMETER
LD1 to LD8 Regulation Voltage
SETI High-Level Threshold
(18mA LED Default Current)
SETI Low-Level Threshold
(0.5mA LED Default Current)
SETI Output Current
CONDITIONS
SETI = IN, I LX = 120mA (MAX1984),
110mA (MAX1985), 98mA (MAX1986)
2.7V < V IN < 5.5V
2.7V < V IN < 5.5V
SETI = GND
MIN
80
V IN - 0.4
50
40
TYP
MAX
120
125
100
UNITS
mV
V
mV
μA
OUTPUT CURRENT SOURCE
LD1 to LD8 On-Resistance
LD1 to LD8 Current-Source
Compliance
I LD_ = 25mA, V OUT = 3.5V
BITA = BITB = BITC = IN, 80mV < V LD_ < 1V (Note 1)
4
8
?
%
DIGITAL BRIGHTNESS CONTROL
2-Bit Control DAC LSB
3-Bit Control DAC LSB
MODE = SETI = BITB = IN, BITA = BITC = GND
SETI = BITC = IN, MODE = BITA = BITB = GND
(Note 2)
26
7
39
21
%
%
DPWM BRIGHTNESS CONTROL
DPWM Input Supply Range
DPWM Shutdown Duty Cycle
MODE = BITC = IN
BITC = GND
2.3
3
5.5
7
V
%
Note 1: Current variation is caused by the current source voltage changes.
Note 2: Measurement is with respect to 100% of the programmed LED output current.
Note 3: Specifications to -40 ° C are guaranteed by design, not production tested.
_______________________________________________________________________________________
5
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MAX1984ETP+ 功能描述:LED照明驱动器 High-Efficiency White LED Driver RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
MAX1984ETP+T 功能描述:LED照明驱动器 High-Efficiency White LED Driver RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
MAX1984ETP-T 功能描述:LED照明驱动器 RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
MAX1985ETP 功能描述:LED照明驱动器 RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
MAX1985ETP+ 功能描述:LED照明驱动器 High-Efficiency White LED Driver RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N