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MAX1574ETB+T PDF预览

MAX1574ETB+T

更新时间： 2024-11-15 12:57:59
品牌 Logo 应用领域
美信 - MAXIM 泵
页数 文件大小 规格书
9页 214K
描述
LED Driver, 3-Segment, BICMOS, 3 X 3 MM, 0.80 MM HEIGHT, ROHS COMPLIANT, MO-229WEED-3, TDFN-10

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MAX1574ETB+T 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SON
包装说明：HVSON,针数：10
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：1.11接口集成电路类型：LED DISPLAY DRIVER
JESD-30 代码：S-XDSO-N10JESD-609代码：e3
长度：3 mm湿度敏感等级：1
复用显示功能：NO功能数量：1
区段数：3端子数量：10
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：UNSPECIFIED封装代码：HVSON
封装形状：SQUARE封装形式：SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：0.8 mm最大供电电压：5.5 V
最小供电电压：2.7 V标称供电电压：3.6 V
表面贴装：YES技术：BICMOS
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
端子形式：NO LEAD端子节距：0.5 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：3 mmBase Number Matches：1

MAX1574ETB+T 数据手册

 浏览型号MAX1574ETB+T的Datasheet PDF文件第2页浏览型号MAX1574ETB+T的Datasheet PDF文件第3页浏览型号MAX1574ETB+T的Datasheet PDF文件第4页浏览型号MAX1574ETB+T的Datasheet PDF文件第5页浏览型号MAX1574ETB+T的Datasheet PDF文件第6页浏览型号MAX1574ETB+T的Datasheet PDF文件第7页 
19-3117; Rev 0; 12/03  
180mA, 1x/2x, White LED Charge Pump  
in 3mm x 3mm TDFN  
General Description  
Features  
The MAX1574 charge pump drives up to three white  
LEDs with regulated constant current for uniform intensity.  
By utilizing adaptive 1x/2x charge-pump modes and  
very-low-dropout current regulators, it achieves 180mA  
output drive capability and high efficiency over the 1-cell  
lithium-battery input voltage range. Fixed-frequency  
(1MHz) switching allows for tiny external components,  
and the regulation scheme is optimized to ensure low EMI  
and low input ripple.  
♦ Up to 180mA (60mA/LED) Drive Capability  
♦ 83% Average Efficiency (P  
/ P  
) Over Li+  
LED  
BATT  
Battery Discharge  
♦ 0.5% (typ) LED Current Matching  
♦ Adaptive 1x/2x Mode Switchover  
♦ Low Input Ripple and EMI  
♦ 5% to 100% Dimming Through Single-Wire Serial  
The MAX1574 uses an external resistor to set the full-  
scale 100% LED current. An enable input (EN) is used for  
simple on/off control or can be pulsed repeatedly to set  
lower LED current in multiple steps down to 5%. Once the  
desired brightness is set, the MAX1574 maintains con-  
stant LED current as long as EN is kept high. If EN is kept  
low for more than 2ms, the MAX1574 enters shutdown.  
Pulse Interface  
♦ Low 0.1µA Shutdown Current  
♦ 2.7V to 5.5V Supply Voltage Range  
♦ Soft-Start Limits Inrush Current  
♦ Output Overvoltage Protection  
♦ Thermal-Shutdown Protection  
♦ 10-Pin 3mm x 3mm TDFN Package  
The MAX1574 is available in a 10-pin 3mm x 3mm TDFN  
package (0.8mm max height).  
Applications  
Ordering Information  
LCD Backlighting  
PIN-  
PACKAGE  
TOP  
MARK  
PART  
TEMP RANGE  
Camera Strobes/Flashes and Movie Lights  
Cell Phones/Smart Phones  
10 TDFN  
3mm x 3mm  
MAX1574ETB  
-40°C to +85°C  
ABB  
PDAs, Digital Cameras, and Camcorders  
Typical Operating Circuit  
Pin Configuration  
0.22µF  
TOP VIEW  
CP  
CN  
10  
9
8
7
6
2.7V TO 5.5V  
UP TO 180mA  
IN  
OUT  
1µF  
1µF  
MAX1574  
GND  
EN  
MAX1574  
LED1  
LED2  
LED3  
ON/OFF AND  
DIMMING  
4
1
2
3
5
SET  
TDFN  
3mm × 3mm  
________________________________________________________________ Maxim Integrated Products  
1
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.  
1234567...9

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MAX1574ETB+T 替代型号

型号 品牌 替代类型 描述 数据表
MAX1574ETB MAXIM

类似代替

 180mA, 1x/2x, White LED Charge Pump in 3mm x 3mm TDFN
MAX1574ETB+ MAXIM

功能相似

 LED Driver, 3-Segment, BICMOS, 3 X 3 MM, 0.80 MM HEIGHT, ROHS COMPLIANT, MO-229WEED-3, TDF

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