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| 型号： | MAX1916EZT+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/7页 |
| 文件大小： | 0K |
| 描述： | IC LED DVR WHITE BCKLGT 6TSOT |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 恒定电流： | 是 |
| 拓扑： | 线性（LDO） |
| 输出数： | 3 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光 |
| 类型 - 次要： | 白色 LED |
| 电源电压： | 2.5 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 细型，TSOT-23-6 |
| 供应商设备封装： | TSOT-23-6 |
| 包装： | 标准包装 |
| 工作温度： | -40°C ~ 85°C |
| 其它名称： | MAX1916EZT+TDKR |
19-2067; Rev 0; 7/01
Low-Dropout, Constant-Current
Triple White LED Bias Supply
General Description
The MAX1916 low-dropout bias supply for white LEDs
is a high-performance alternative to the simple ballast
resistors used in conventional white LED designs. The
MAX1916 uses a single resistor to set the bias current
for three LEDs, which are matched to 0.3%. The
MAX1916 consumes only 40μA of supply current when
enabled and 0.05μA when disabled.
The MAX1916 ’s advantages over ballast resistors
include significantly better LED-to-LED bias matching,
much lower bias variation with supply voltage variation,
significantly lower dropout voltage, and in some appli-
cations, significantly improved efficiency. The MAX1916
requires a 200mV dropout at a 9mA load on each out-
put to match the LED brightness.
The MAX1916 is available in a space-saving 6-pin Thin
SOT23 package.
Applications
Features
o Low 200mV Dropout at 9mA
o Up to 60mA/LED Bias Current
o 0.3% LED Current Matching
o Simple LED Brightness Control
o Low 40μA Supply Current
o Low 0.05μA Shutdown Current
o 2.5V to 5.5V Supply Voltage Range
o Thermal Shutdown Protection
o Tiny 6-Pin Thin SOT23 Package (1mm High)
Ordering Information
Next-Generation Wireless Handsets
PDAs, Palmtops, and Handy Terminals
Digital Cameras, Camcorders
PART
MAX1916EZT
TEMP. RANGE
-40 ° C to +85 ° C
PIN-
PACKAGE
6 Thin SOT23
TOP
MARK
AAAG
Battery-Powered Equipment
Typical Operating Circuit
Pin Configuration
V CTRL
V+
TOP VIEW
EN 1
6
LED1
SET
LED1 LED2
LED3
GND 2
MAX1916
5
LED2
ON
OFF
EN
MAX1916
SET 3
4
LED3
GND
THIN SOT23-6
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
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| MAX1917EEE | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1917EEE+ | 功能描述:直流/直流开关转换器 Track/Sink/Source Synchronous Buck RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1917EEE+T | 功能描述:直流/直流开关转换器 Track/Sink/Source Synchronous Buck RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1917EEE-T | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1917EEE-TG068 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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