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MAX1577ZETA PDF预览

MAX1577ZETA

更新时间: 2024-11-14 22:07:31
品牌 Logo 应用领域
美信 - MAXIM 稳压器开关式稳压器或控制器电源电路开关式控制器闪光灯信息通信管理
页数 文件大小 规格书
11页 664K
描述
1.2A White LED Regulating Charge Pump for Camera Flashes and Movie Lights

MAX1577ZETA 技术参数

是否无铅:含铅是否Rohs认证:不符合
生命周期:Obsolete零件包装代码:SON
包装说明:3 X 3 MM, 0.8 MM HEIGHT, MO-229, TDFN-8针数:8
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.22
Is Samacsys:N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:e0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):240
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:Tin/Lead (Sn85Pb15)
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:20
宽度:3 mmBase Number Matches:1

MAX1577ZETA 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.  

MAX1577ZETA 替代型号

型号 品牌 替代类型 描述 数据表
MAX1577ZETA+ MAXIM

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