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MAX756C/D PDF预览

MAX756C/D

更新时间: 2024-09-15 22:17:31
品牌 Logo 应用领域
美信 - MAXIM 转换器稳压器开关式稳压器或控制器电源电路开关式控制器输出元件
页数 文件大小 规格书
8页 113K
描述
3.3V/5V/Adjustable-Output, Step-Up DC-DC Converters

MAX756C/D 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:DIE
包装说明:DIE-9针数:9
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.79
Is Samacsys:N其他特性:ALSO ADJUSTABLE OUTPUT FROM 2.7 TO 5.5V; ALSO 5 VOLT OUTPUT AVAILABLE
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:CURRENT-MODE
控制技术:CONSTANT OFF TIME最大输入电压:5.5 V
最小输入电压:1.1 V标称输入电压:2.5 V
JESD-30 代码:R-XUUC-N9JESD-609代码:e0
湿度敏感等级:1功能数量:1
端子数量:9最高工作温度:70 °C
最低工作温度:最大输出电流:1 A
标称输出电压:3.3 V封装主体材料:UNSPECIFIED
封装代码:DIE封装等效代码:DIE OR CHIP
封装形状:RECTANGULAR封装形式:UNCASED CHIP
峰值回流温度(摄氏度):240认证状态:Not Qualified
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:BOOST最大切换频率:500 kHz
技术:CMOS温度等级:COMMERCIAL
端子面层:TIN LEAD端子形式:NO LEAD
端子位置:UPPER处于峰值回流温度下的最长时间:NOT SPECIFIED
Base Number Matches:1

MAX756C/D 数据手册

 浏览型号MAX756C/D的Datasheet PDF文件第2页浏览型号MAX756C/D的Datasheet PDF文件第3页浏览型号MAX756C/D的Datasheet PDF文件第4页浏览型号MAX756C/D的Datasheet PDF文件第5页浏览型号MAX756C/D的Datasheet PDF文件第6页浏览型号MAX756C/D的Datasheet PDF文件第7页 
19-0113; Rev. 2; 1/95  
3 .3 V/5 V/Ad ju s t a b le -Ou t p u t ,  
S t e p -Up DC-DC Co n ve rt e rs  
6/MAX57  
_______________Ge n e ra l De s c rip t io n  
____________________________Fe a t u re s  
Operates Down to 0.7V Input Supply Voltage  
87% Efficiency at 200mA  
The MAX756/MAX757 are CMOS step-up DC-DC switch-  
ing regulators for small, low input voltage or battery-pow-  
ered systems. The MAX756 accepts a positive input  
voltage down to 0.7V and converts it to a higher pin-  
selectable output voltage of 3.3V or 5V. The MAX757 is  
an adjustable version that accepts an input voltage down  
to 0.7V and generates a higher adjustable output voltage  
in the range from 2.7V to 5.5V. Typical full-load efficiencies  
for the MAX756/MAX757 are greater than 87%.  
60µA Quiescent Current  
20µA Shutdown Mode with Active Reference and  
LBI Detector  
500kHz Maximum Switching Frequency  
±1.5% Reference Tolerance Over Temperature  
Low-Battery Detector (LBI/LBO)  
The MAX756/MAX757 provide three improvements over  
previous devices. Physical size is reducedthe high  
switching frequencies (up to 0.5MHz) made possible by  
MOSFET power transistors allow for tiny (<5mm diameter)  
surface-mount magnetics. Efficiency is improved to 87%  
(10% better than with low-voltage regulators fabricated in  
bipolar technology). Supply current is reduced to 60µA  
by CMOS construction and a unique constant-off-time  
pulse-frequency modulation control scheme.  
8-Pin DIP and SO Packages  
______________Ord e rin g In fo rm a t io n  
PART  
TEMP. RANGE  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
-40°C to +85°C  
-40°C to +85°C  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
8 Plastic DIP  
8 SO  
MAX756CPA  
MAX756CSA  
MAX756C/D  
MAX756EPA  
MAX756ESA  
MAX757CPA  
MAX757CSA  
MAX757C/D  
MAX757EPA  
MAX757ESA  
________________________Ap p lic a t io n s  
3.3V to 5V Step-Up Conversion  
Palmtop Computers  
Dice*  
8 Plastic DIP  
8 SO  
8 Plastic DIP  
8 SO  
Portable Data-Collection Equipment  
Personal Data Communicators/Computers  
Medical Instrumentation  
Dice*  
8 Plastic DIP  
8 SO  
2-Cell & 3-Cell Battery-Operated Equipment  
Glucose Meters  
* Dice are tested at T = +25°C only.  
A
_________________P in Co n fig u ra t io n s  
__________Typ ic a l Op e ra t in g Circ u it  
INPUT  
TOP VIEW  
2V to V  
OUT  
1
2
3
4
8
7
6
5
SHDN  
3/5  
LX  
GND  
150µF  
OUTPUT  
5V at 200mA  
or  
MAX756  
22µH  
1N5817  
OUT  
LBI  
REF  
5
LBI  
LBO  
3.3V at 300mA  
8
1
SHDN  
LX  
DIP/SO  
100µF  
MAX756  
2
3
6
4
3/5  
OUT  
LBO  
1
2
3
4
8
7
6
5
SHDN  
FB  
LX  
GND  
MAX757  
LOW-BATTERY  
DETECTOR OUTPUT  
OUT  
LBI  
REF  
LBO  
REF  
GND  
7
0.1µF  
DIP/SO  
________________________________________________________________ Maxim Integrated Products  
1
Ca ll t o ll fre e 1 -8 0 0 -9 9 8 -8 8 0 0 fo r fre e s a m p le s o r lit e ra t u re .  

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