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MAX738CWE-T PDF预览

MAX738CWE-T

更新时间: 2024-09-19 13:11:03
品牌 Logo 应用领域
美信 - MAXIM 转换器
页数 文件大小 规格书
16页 230K
描述
Switching Regulator, Current-mode, 2A, 160kHz Switching Freq-Max, CMOS, PDSO16, 0.300 INCH, SOIC-16

MAX738CWE-T 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:SOP,针数:16
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.15
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:16 V最小输入电压:6 V
JESD-30 代码:R-PDSO-G16长度:10.3 mm
功能数量:1端子数量:16
最高工作温度:70 °C最低工作温度:
最大输出电流:2 A标称输出电压:5 V
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
座面最大高度:2.65 mm最大供电电流 (Isup):3 mA
表面贴装:YES切换器配置:BUCK
最大切换频率:160 kHz技术:CMOS
温度等级:COMMERCIAL端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:7.5 mm
Base Number Matches:1

MAX738CWE-T 数据手册

 浏览型号MAX738CWE-T的Datasheet PDF文件第2页浏览型号MAX738CWE-T的Datasheet PDF文件第3页浏览型号MAX738CWE-T的Datasheet PDF文件第4页浏览型号MAX738CWE-T的Datasheet PDF文件第5页浏览型号MAX738CWE-T的Datasheet PDF文件第6页浏览型号MAX738CWE-T的Datasheet PDF文件第7页 
19-0165; Rev 2; 1/96  
5 V, S t e p -Do w n ,  
Cu rre n t -Mo d e P WM DC-DC Co n ve rt e rs  
038/MX74A  
__________________Ge n e ra l De s c rip t io n  
________________________________Fe a t u re s  
750mA Load Currents (MAX738A/MAX744A)  
High-Frequency, Current-Mode PWM  
The MAX730A/MAX738A/MAX744A a re 5V-outp ut  
CMOS, step-down switching regulators. The MAX738A/  
MAX744A accept inputs from 6V to 16V and deliver  
750mA. The MAX744A guarantees 500mA load capa-  
bility for inputs above 6V and has tighter oscillator fre-  
quency limits for low-noise (radio) applications. The  
MAX730A accepts inputs between 5.2V and 11V and  
delivers 450mA for inputs above 6V. Typical efficien-  
c ie s a re 85% to 96%. Quie s c e nt s up p ly c urre nt is  
1.7mA and only 6µA in shutdown.  
159kHz to 212.5kHz Guaranteed Oscillator  
Frequency Limits (MAX744A)  
85% to 96% Efficiencies  
1.7mA Quiescent Current  
6µA Shutdown Supply Current  
Pulse-width modulation (PWM) current-mode control  
provides precise output regulation and excellent tran-  
sient responses. Output voltage accuracy is guaran-  
teed to be ±5% over line, load, and temperature varia-  
tions. Fixed-frequency switching allows easy filtering of  
output ripple and noise, as well as the use of small  
external components. These regulators require only a  
single inductor value to work in most applications, so  
no inductor design is necessary.  
Single Preselected Inductor Value,  
No Component Design Required  
Overcurrent, Soft-Start, and Undervoltage  
Lockout Protection  
Cycle-by-Cycle Current Limiting  
8-Pin DIP/SO Packages (MAX730A)  
_________________Ord e rin g In fo rm a t io n  
The MAX730A/MAX738A/MAX744A also feature cycle-  
by-cycle current limiting, overcurrent limiting, undervolt-  
age lockout, and programmable soft-start protection.  
PART  
TEMP. RANGE  
0°C to +70°C  
PIN-PACKAGE  
8 Plastic DIP  
8 SO  
MAX730ACPA  
MAX730ACSA  
MAX730AC/D  
MAX730AEPA  
MAX730AESA  
MAX730AMJA  
0°C to +70°C  
___________________________Ap p lic a t io n s  
0°C to +70°C  
Dice*  
Portable Instruments  
-40°C to +85°C  
-40°C to +85°C  
-55°C to +125°C  
8 Plastic DIP  
8 SO  
Cellular Phones and Radios  
Personal Communicators  
Distributed Power Systems  
Computer Peripherals  
8 CERDIP  
Ordering Information continued at end of data sheet.  
*Contact factory for dice specifications.  
_________________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  
6V TO 16V  
TOP VIEW  
OUTPUT  
5V  
33µH  
V+  
68µF  
LX  
SHDN  
REF  
SS  
V+  
1
2
3
4
8
7
6
5
100µF  
MAX738A  
MAX744A  
LX  
MAX730A  
MAX738A  
MAX744A  
ON/OFF  
SHDN  
REF  
OUT  
CC  
GND  
OUT  
CC  
DIP  
SS  
GND  
Pin Configurations continued on last page.  
________________________________________________________________ Maxim Integrated Products  
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800  

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