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MAX727ECK+ PDF预览

MAX727ECK+

更新时间: 2024-09-15 12:58:55
品牌 Logo 应用领域
美信 - MAXIM 稳压器开关
页数 文件大小 规格书
4页 41K
描述
Switching Regulator, 3.2A, 110kHz Switching Freq-Max, BIPolar, PZFM5, LEAD FREE, TO-220, 5 PIN

MAX727ECK+ 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:SFM包装说明:LEAD FREE, TO-220, 5 PIN
针数:3Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.65模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制技术:PULSE WIDTH MODULATION最大输入电压:40 V
最小输入电压:8 V标称输入电压:25 V
JESD-30 代码:R-PZFM-T5功能数量:1
端子数量:5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
标称输出电压:5 V封装主体材料:PLASTIC/EPOXY
封装形状:RECTANGULAR封装形式:FLANGE MOUNT
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
表面贴装:NO切换器配置:BUCK
最大切换频率:110 kHz技术:BIPOLAR
温度等级:INDUSTRIAL端子形式:THROUGH-HOLE
端子位置:ZIG-ZAG处于峰值回流温度下的最长时间:NOT SPECIFIED
Base Number Matches:1

MAX727ECK+ 数据手册

 浏览型号MAX727ECK+的Datasheet PDF文件第2页浏览型号MAX727ECK+的Datasheet PDF文件第3页浏览型号MAX727ECK+的Datasheet PDF文件第4页 
19-0149; Rev 2; 9/95  
5 V/3 .3 V/3 V 2 A S t e p -Do w n , P WM,  
S w it c h -Mo d e DC-DC Re g u la t o rs  
8/MAX729  
_______________Ge n e ra l De s c rip t io n  
___________________________Fe a t u re s  
Input Range: Up to 40V  
The MAX727/MAX728/MAX729 are monolithic, bipolar,  
pulse-width modulation (PWM), switch-mode, step-down  
DC-DC regulators. Each is rated at 2A. Very few external  
components are needed for standard operation because  
the power switch, oscillator, feedback, and control circuitry  
are all on-chip. Employing a classic buck topology, these  
regulators perform high-current step-down functions.  
2A On-Chip Power Switch  
Fixed Outputs: 5V (MAX727)  
3.3V (MAX728)  
3V (MAX729)  
100kHz Switching Frequency  
Excellent Dynamic Characteristics  
Few External Components  
8.5mA Quiescent Current  
TO-220 Package  
These regulators have excellent dynamic and transient  
response characteristics, while featuring cycle-by-cycle cur-  
rent limiting to protect against overcurrent faults and short-  
circuit output faults. They also have a wide 8V to 40V input  
range.  
Each regulator is available in a 5-pin TO-220 package.  
These devices have a preset 100kHz oscillator frequency  
and a preset current limit of 2.6A. See the MAX724/  
MAX726 data sheet for more applications information.  
______________Ord e rin g In fo rm a t io n  
PART  
TEMP. RANGE  
0°C to +70°C  
PIN-PACKAGE  
5 TO-220  
MAX727CCK  
MAX727ECK  
MAX728CCK  
MAX728ECK  
MAX729CCK  
MAX729ECK  
_______________________Ap p lic a t io n s  
-40°C to +85°C  
0°C to +70°C  
5 TO-220  
Distributed Power from High-Voltage Buses  
High-Current, High-Voltage Step-Down Applications  
Multiple-Output Buck Converter  
5 TO-220  
-40°C to +85°C  
0°C to +70°C  
5 TO-220  
5 TO-220  
-40°C to +85°C  
5 TO-220  
__________________P in Co n fig u ra t io n  
__________Typ ic a l Op e ra t in g Circ u it  
FRONT VIEW  
INPUT  
8V TO 40V  
OUTPUT  
5V AT 2A  
100µH  
V
IN  
V
SW  
220µF  
V
IN  
MBR745  
5
4
MAX727  
MAX727  
MAX728  
MAX729  
V
SW  
V
C
SENSE  
GND  
3
2
470µF  
V
C
2.7k  
1
SENSE  
GND  
0.01µF  
5-PIN TO-220  
CASE IS CONNECTED TO GROUND. STANDARD PACKAGE HAS STAGGERED LEADS.  
CONTACT FACTORY FOR STRAIGHT LEADS.  
STEP-DOWN CONVERTER  
________________________________________________________________ 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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