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MAX8508ETE PDF预览

MAX8508ETE

更新时间: 2024-09-25 22:36:35
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页数 文件大小 规格书
12页 385K
描述
PWM Step-Down DC-DC Converters with 75m? Bypass FET for WCDMA and cdmaOne Handsets

MAX8508ETE 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:QFN
包装说明:4 X 4 MM, 0.80 MM HEIGHT, MO-220, TQFN-16针数:16
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.2
Is Samacsys:N模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:5.5 V最小输入电压:2.6 V
标称输入电压:3.6 VJESD-30 代码:S-PDSO-N16
JESD-609代码:e0长度:4 mm
湿度敏感等级:1功能数量:1
端子数量:16最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:3.2 A
封装主体材料:PLASTIC/EPOXY封装代码:HVSON
封装等效代码:LCC16,.16SQ,25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):245
认证状态:Not Qualified座面最大高度:0.8 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:SINGLE最大切换频率:1200 kHz
技术:BICMOS温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)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:NOT SPECIFIED宽度:4 mm
Base Number Matches:1

MAX8508ETE 数据手册

 浏览型号MAX8508ETE的Datasheet PDF文件第2页浏览型号MAX8508ETE的Datasheet PDF文件第3页浏览型号MAX8508ETE的Datasheet PDF文件第4页浏览型号MAX8508ETE的Datasheet PDF文件第5页浏览型号MAX8508ETE的Datasheet PDF文件第6页浏览型号MAX8508ETE的Datasheet PDF文件第7页 
19-2918; Rev 1; 1/04  
PWM Step-Down DC-DC Converters with 75m  
Bypass FET for WCDMA and cdmaOne Handsets  
General Description  
Features  
The MAX8506/MAX8507/MAX8508 integrate a PWM step-  
down DC-DC regulator and a 75m(typ) bypass FET to  
power the PA in WCDMA and cdmaOne™ cell phones.  
The supply voltage range is from 2.6V to 5.5V, and the  
guaranteed output current is 600mA. One megahertz  
PWM switching allows for small external components.  
Integrated 75m(typ) Bypass FET  
38mV Dropout at 600mA Load  
Up to 94% Efficiency  
Dynamically Adjustable Output from 0.4V to 3.4V  
(MAX8506, MAX8507)  
The MAX8506 and MAX8507 are dynamically controlled  
to provide varying output voltages from 0.4V to 3.4V. The  
MAX8508 is externally programmed for fixed 0.75V to  
3.4V output. Digital logic enables a high-power (HP)  
bypass mode that connects the output directly to the bat-  
tery for all versions. The MAX8506/MAX8507/MAX8508  
are designed so the output settles in less than 30µs for a  
full-scale change in output voltage and load current.  
Externally Fixed Output from 0.75V to 3.4V  
(MAX8508)  
1MHz Fixed-Frequency PWM Switching  
600mA Guaranteed Output Current  
Shutdown Mode 0.1µA (typ)  
16-Pin Thin QFN (4mm x 4mm, 0.8mm max Height)  
The MAX8506/MAX8507/MAX8508 are offered in 16-pin  
4mm x 4mm thin QFN packages (0.8mm max height).  
Ordering Information  
Applications  
WCDMA/NCDMA Cell Phones  
PART  
TEMP RANGE  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
16 Thin QFN  
16 Thin QFN  
16 Thin QFN  
Wireless PDAs, Palmtops, and Notebook  
Computers  
MAX8506ETE  
MAX8507ETE  
MAX8508ETE  
Wireless Modems  
Pin Configurations appear at end of data sheet.  
cdmaOne is a trademark of CDMA Development Group.  
Typical Application Circuits (MAX8506/MAX8507)  
OUTPUT  
0.4V TO 3.4V OR V  
INPUT  
2.6V TO 5.5V  
4.7µH  
BATT  
4.7µF  
2.2µF  
BATTP  
LX  
BATT  
OUT  
0.075  
MAX8506  
MAX8507  
SKIP  
SHDN  
REF  
CURRENT-  
LIMIT  
CONTROL  
REF  
0.4Ω  
0.3Ω  
PWM  
0.22µF  
1MHz  
OSC  
REFIN  
DAC  
HP  
GND  
PGND  
COMP  
R *  
C
C *  
f
*
R
C
(k)  
10  
15  
C (pF) C (pF)  
C f  
MAX8506  
MAX8507  
1500  
1000  
100  
100  
C *  
C
Typical Application Circuits continued at end of data sheet.  
________________________________________________________________ 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.  

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