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MAX1857EUA47 PDF预览

MAX1857EUA47

更新时间: 2024-09-14 22:22:43
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
10页 246K
描述
500mA, Low-Dropout, Ripple-Rejecting LDO in MAX

MAX1857EUA47 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:SOIC
包装说明:MICRO MAX PACKAGE-8针数:8
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.17
可调性:FIXED/ADJUSTABLE最大回动电压 1:0.175 V
标称回动电压 1:0.12 V最大绝对输入电压:6 V
JESD-30 代码:S-PDSO-G8JESD-609代码:e0
长度:3 mm最大电网调整率:0.00463%
最大电网调整率 (%/V):0.15最大负载调整率:0.0475%
最大负载调整率 (%):1%湿度敏感等级:1
功能数量:1输出次数:1
端子数量:8工作温度TJ-Max:150 °C
最高工作温度:85 °C最低工作温度:-40 °C
最大输出电流 1:0.5 A最大输出电压 1:5 V
最小输出电压 1:1.25 V标称输出电压 1:4.75 V
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装等效代码:TSSOP8,.19封装形状:SQUARE
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):245
认证状态:Not Qualified调节器类型:FIXED/ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR
座面最大高度:1.1 mm子类别:Other Regulators
表面贴装:YES技术:BICMOS
端子面层:Tin/Lead (Sn85Pb15)端子形式:GULL WING
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最大电压容差:3%
宽度:3 mmBase Number Matches:1

MAX1857EUA47 数据手册

 浏览型号MAX1857EUA47的Datasheet PDF文件第2页浏览型号MAX1857EUA47的Datasheet PDF文件第3页浏览型号MAX1857EUA47的Datasheet PDF文件第4页浏览型号MAX1857EUA47的Datasheet PDF文件第5页浏览型号MAX1857EUA47的Datasheet PDF文件第6页浏览型号MAX1857EUA47的Datasheet PDF文件第7页 
19-1812; Rev 0; 1/01  
500mA, Low-Dropout,  
Ripple-Rejecting LDO in µMAX  
General Description  
Features  
The MAX1857 low-dropout linear regulator operates  
from a +2.5V to +5.5V supply and delivers a guaran-  
teed 500mA load current with low 120mV dropout. The  
high-accuracy ( 1%) output voltage is preset at an  
internally trimmed 4.75V or can be adjusted from 1.25V  
to 5.0V with an external resistive divider.  
o Guaranteed 500mA Output Current  
o Low 120mV Dropout at 500mA  
o Up to 1ꢀ Output Voꢁtaꢂe Aꢃꢃuraꢃc  
Preset at 4.75V  
Adjustabꢁe from 1.25V to 5.0V  
An internal PMOS pass transistor allows the low 135µA  
supply current to remain independent of load, making  
this device ideal for portable battery-operated equip-  
ment such as personal digital assistants (PDAs), cellu-  
lar phones, cordless phones, base stations, and  
notebook computers.  
o Reset Output with 4.5ms Timeout Period  
o Low 135µA Ground Current  
o 0.1µA Shutdown Current  
o Thermaꢁ Overꢁoad Proteꢃtion  
o Output Current Limit  
Other features include an active-low open-drain reset  
output with a 4.5ms timeout period that indicates when  
the output is out of regulation, a 0.1µA shutdown mode,  
short-circuit protection, and thermal shutdown protec-  
tion. The device is available in a miniature 8-pin µMAX  
package. For higher power applications, refer to the  
MAX1792 and MAX1793 data sheets.  
o Tinc µMAX Paꢃkaꢂe  
Ordering Information  
________________________Applications  
Notebook Computers  
Cellular and Cordless Telephones  
PDAs  
PART*  
TEMP. RANGE  
PIN-PACKAGE  
MAX1857EUA47  
-40°C to +85°C  
8 µMAX  
*Contact factory for other preset output voltages.  
Palmtop Computers  
Base Stations  
USB Hubs  
Docking Stations  
Typical Operating Circuit  
Pin Configuration  
TOP VIEW  
V
= +5V  
IN  
V
= 4.75V  
IN  
OUT  
IN  
OUT  
OUT  
C
C
OUT  
3.3µF  
IN  
IN  
IN  
1
2
3
4
8
7
6
5
OUT  
OUT  
SET  
1µF  
R
RST  
100k  
MAX1857  
MAX1857  
RST  
ON  
TO  
µC  
SHDN  
SET  
RST  
SHDN  
GND  
OFF  
µMAX  
GND  
________________________________________________________________ Maxim Integrated Products  
1
For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  

MAX1857EUA47 替代型号

型号 品牌 替代类型 描述 数据表
MAX1857EUA47+ MAXIM

完全替代

Fixed/Adjustable Positive LDO Regulator, 1.25V Min, 5V Max, 0.175V Dropout, BICMOS, PDSO8,

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