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MAX1837EUT50+T PDF预览

MAX1837EUT50+T

更新时间: 2024-10-03 18:48:31
品牌 Logo 应用领域
美信 - MAXIM 信息通信管理开关光电二极管输出元件
页数 文件大小 规格书
15页 1963K
描述
Switching Regulator, 0.9A, BICMOS, PDSO6, SOT-23, 6 PIN

MAX1837EUT50+T 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active包装说明:SOT-23, 6 PIN
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:6 weeks
风险等级:1.65其他特性:OUTPUT VOLTAGE RANGES FROM 1.25V TO 24V
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:24 V最小输入电压:4.5 V
标称输入电压:12 VJESD-30 代码:R-PDSO-G6
长度:2.9 mm湿度敏感等级:1
功能数量:1端子数量:6
最高工作温度:85 °C最低工作温度:-40 °C
最大输出电流:0.9 A标称输出电压:5 V
封装主体材料:PLASTIC/EPOXY封装代码:LSSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):NOT SPECIFIED座面最大高度:1.45 mm
表面贴装:YES切换器配置:BUCK
技术:BICMOS温度等级:INDUSTRIAL
端子形式:GULL WING端子节距:0.95 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:1.625 mmBase Number Matches:1

MAX1837EUT50+T 数据手册

 浏览型号MAX1837EUT50+T的Datasheet PDF文件第2页浏览型号MAX1837EUT50+T的Datasheet PDF文件第3页浏览型号MAX1837EUT50+T的Datasheet PDF文件第4页浏览型号MAX1837EUT50+T的Datasheet PDF文件第5页浏览型号MAX1837EUT50+T的Datasheet PDF文件第6页浏览型号MAX1837EUT50+T的Datasheet PDF文件第7页 
EVALUATION KIT AVAILABLE  
MAX1836/MAX1837  
24V Internal Switch, 100% Duty Cycle,  
Step-Down Converters  
General Description  
Features  
4.5V to 24V Input Voltage Range  
The MAX1836/MAX1837 high-efficiency step-down con-  
verters provide a preset 3.3V or 5V output voltage from  
supply voltages as high as 24V. Using external feedback  
resistors, the output voltage can be adjusted from 1.25V  
Preset 3.3V or 5V Output  
Adjustable Output from 1.25V to V  
IN  
Output Currents Up to 125mA (MAX1836) or  
to V . An internal current-limited switching MOSFET  
delivers load currents up to 125mA (MAX1836) or 250mA  
(MAX1837).  
IN  
250mA (MAX1837)  
Efficiency Over 90%  
The unique current-limited control scheme, operating  
with duty cycles up to 100%, minimizes the dropout volt-  
age (120mV at 100mA). Additionally, this control scheme  
reduces supply current under light loads to 12μA. High  
switching frequencies allow the use of tiny surface-mount  
inductors and output capacitors.  
● 12μA Quiescent Current  
● 3μA Shutdown Current  
100% Maximum Duty Cycle for Low Dropout  
Small 6-Pin SOT23 and TDFN Packages  
The MAX1836/MAX1837 step-down converters with inter-  
nal switching MOSFETs are available in 6-pin SOT23  
and 3mm x 3mm TDFN packages, making them ideal  
for low-cost, low-power, space-sensitive applications.  
For increased output drive capability, use the MAX1776  
step-down converter that uses an internal 24V switch to  
deliver up to 500mA. For even higher currents, use the  
MAX1626/MAX1627 step-down controllers that drive an  
external P-channel MOSFET to deliver up to 20W.  
Ordering Information  
PIN-  
PACKAGE  
TOP  
PART  
TEMP RANGE  
MARK  
MAX1836ETT33-T -40°C to +85°C 6 TDFN-EP*  
MAX1836ETT50-T -40°C to +85°C 6 TDFN-EP*  
MAX1836EUT33-T -40°C to +85°C 6 SOT23  
MAX1836EUT50-T -40°C to +85°C 6 SOT23  
MAX1837ETT33-T -40°C to +85°C 6 TDFN-EP*  
MAX1837ETT50-T -40°C to +85°C 6 TDFN-EP*  
MAX1837EUT33-T -40°C to +85°C 6 SOT23  
MAX1837EUT50-T -40°C to +85°C 6 SOT23  
*EP = Exposed pad.  
AJG  
AJE  
AANY  
AANW  
AJH  
Applications  
9V Battery Systems  
AJF  
AANZ  
AANX  
Notebook Computers  
Distributed Power Systems  
Backup Supplies  
4mA to 20mA Loop Power Supplies  
Industrial Control Supplies  
● Handheld Devices  
T = Tape and reel.  
Selector Guide appears at end of data sheet.  
Typical Operating Circuit  
Pin Configurations  
OUTPUT  
3.3V OR 5V  
INPUT  
4.5V TO 24V  
TOP VIEW  
IN  
LX  
OUT  
FB  
FB  
GND  
IN  
1
2
3
6
5
4
OUT  
SHDN  
LX  
FB  
GND  
IN  
1
2
3
6
5
4
OUT  
SHDN  
LX  
SHDN  
MAX1836  
MAX1837  
MAX1836  
MAX1837  
MAX1836  
MAX1837  
GND  
TDFN  
SOT23  
NOTE: HIGH-CURRENT PATHS SHOWN WITH BOLD LINES.  
19-1919; Rev 3; 7/06  

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