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MAX1577YETA+ PDF预览

MAX1577YETA+

更新时间: 2024-09-09 12:59:03
品牌 Logo 应用领域
美信 - MAXIM 闪光灯
页数 文件大小 规格书
11页 664K
描述
Switched Capacitor Regulator, 1250kHz Switching Freq-Max, BICMOS, 3 X 3 MM, 0.8 MM HEIGHT, MO-229, TDFN-8

MAX1577YETA+ 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:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:1 week
风险等级:1.39模拟集成电路 - 其他类型:SWITCHED CAPACITOR REGULATOR
最大输入电压:5.5 V最小输入电压:2.7 V
标称输入电压:3.6 VJESD-30 代码:S-XDSO-N8
JESD-609代码:e3长度:3 mm
湿度敏感等级:1功能数量:1
端子数量:8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
表面贴装:YES切换器配置:SINGLE
最大切换频率:1250 kHz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:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:3 mmBase Number Matches:1

MAX1577YETA+ 数据手册

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19-3461; Rev 0; 11/04  
1.2A White LED Regulating Charge Pump for  
Camera Flashes and Movie Lights  
General Description  
Features  
The MAX1577Y/MAX1577Z charge pumps drive white  
LEDs, including camera strobes, with regulated current  
up to 1.2A (guaranteed to 800mA). The very low open-  
loop output resistance allows high flash brightness,  
even from a low battery input voltage. The adaptive  
1x/2x regulating charge-pump operation provides high  
efficiency (up to 92%) while in movie mode or back-  
lighting. Fast (1MHz) switching allows the use of tiny  
external components.  
Up to 1.2A Output Drive Capability (800mA  
Guaranteed)  
Up to 92% P  
/ P  
Efficiency for Movie  
BATT  
LED  
Mode  
Flexible Brightness Control  
Two-Bit Logic for 100%, 33%, 20%, and Off  
PWM for 20% to 100%  
3% Current Regulation Over Line and  
Temperature  
Current or Voltage Regulation for Flash and  
Backlighting (MAX1577Y)  
Current Regulation for Flash (MAX1577Z)  
The MAX1577Y/MAX1577Z use an external resistor to  
set the full-scale LED current. Two enable inputs (EN1  
and EN2) provide simple on/off control and LED current  
of 20%, 33%, or 100% full scale. If there is less than  
24mV across the external resistor, the output voltage is  
regulated. The MAX1577Z has fixed 5.1V output-volt-  
age regulation, while the MAX1577Y has logic-con-  
trolled output voltage of 3.4V, 4.6V, or 5.1V for  
backlighting, keyboard, and RGB applications.  
Low Ripple and EMI  
2.7V to 5.5V Supply Voltage Range  
Soft-Start Limits Inrush Current  
Output-Voltage Regulation Mode  
Thermal-Shutdown Protection  
8-Pin 3mm x 3mm TDFN Package  
The MAX1577Y/MAX1577Z are available in an 8-pin,  
3mm x 3mm TDFN package (0.8mm max height).  
Applications  
White LED Flashes, Strobes, and Movie Lights  
Ordering Information  
LCD Backlighting  
PIN-  
PACKAGE  
TOP  
MARK  
PART  
TEMP RANGE  
Camera Phones, Cell Phones, and Smart Phones  
PDAs, Digital Cameras, and Camcorders  
8 TDFN  
(T833-2)  
MAX1577YETA  
-40°C to +85°C  
AMG  
AMQ  
8 TDFN  
(T833-2)  
MAX1577ZETA  
-40°C to +85°C  
Typical Operating Circuit  
Pin Configuration  
1µF OR 2.2µF  
TOP VIEW  
8
7
6
5
CP  
IN  
CN  
UP TO 1.2A  
5.3V OVP  
10µF  
2.7V TO 5.5V  
OUT  
4.7µF  
GND  
MAX1577Y  
MAX1577Z  
MAX1577Z  
V
OUT  
- (300mV OR  
100mV OR 60mV)  
100%,  
33%, 20%,  
AND  
CS  
EN1  
EN2  
1
2
3
4
SHUTDOWN  
TDFN  
________________________________________________________________ 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.  

MAX1577YETA+ 替代型号

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MAX1577YETA+T MAXIM

完全替代

Switched Capacitor Regulator, 1250kHz Switching Freq-Max, BICMOS, 3 X 3 MM, 0.8 MM HEIGHT,
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1.2A White LED Regulating Charge Pump for Camera Flashes and Movie Lights

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