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MAX1954AEUB

更新时间： 2024-10-03 20:06:31
品牌 Logo 应用领域
美信 - MAXIM 信息通信管理开关光电二极管
页数 文件大小 规格书
18页 351K
描述
Switching Controller, Current-mode, 25A, 360kHz Switching Freq-Max, BICMOS, PDSO10, MO-187C-BA, MICRO, SOP-10

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MAX1954AEUB 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：TSSOP
包装说明：TSSOP, TSSOP10,.19,20针数：10
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.31.00.01风险等级：5.17
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：CURRENT-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：5.5 V
最小输入电压：3 V标称输入电压：5 V
JESD-30 代码：S-PDSO-G10JESD-609代码：e0
长度：3 mm湿度敏感等级：1
功能数量：1端子数量：10
最高工作温度：85 °C最低工作温度：-40 °C
最大输出电流：25 A封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装等效代码：TSSOP10,.19,20
封装形状：SQUARE封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：240认证状态：Not Qualified
座面最大高度：1.1 mm子类别：Switching Regulator or Controllers
表面贴装：YES切换器配置：PUSH-PULL
最大切换频率：360 kHz技术：BICMOS
温度等级：INDUSTRIAL端子面层：Tin/Lead (Sn85Pb15)
端子形式：GULL WING端子节距：0.5 mm
端子位置：DUAL处于峰值回流温度下的最长时间：20
宽度：3 mmBase Number Matches：1

MAX1954AEUB 数据手册

 浏览型号MAX1954AEUB的Datasheet PDF文件第2页浏览型号MAX1954AEUB的Datasheet PDF文件第3页浏览型号MAX1954AEUB的Datasheet PDF文件第4页浏览型号MAX1954AEUB的Datasheet PDF文件第5页浏览型号MAX1954AEUB的Datasheet PDF文件第6页浏览型号MAX1954AEUB的Datasheet PDF文件第7页 
19-3154; Rev 0; 2/04  
Low-Cost, Current-Mode PWM Buck  
Controller with Foldback Current Limit  
General Description  
Features  
The MAX1954A synchronous current-mode, pulse-  
width modulation (PWM) buck controller is pin compati-  
ble with the popular MAX1954 and is suitable for  
applications where cost and size are critical.  
♦ Current-Mode Controller  
♦ Fixed-Frequency PWM  
♦ Foldback Current Limit  
The MAX1954A operates from an input voltage range of  
3.0V to 13.2V, independent of the IC supply. The output  
voltage is adjustable down to 0.8V. The IC operates at  
a fixed 300kHz switching frequency and provides up to  
25A of output current with efficiency up to 95%. This  
controller has excellent transient response resulting in  
smaller output capacitance.  
♦ Output Down to 0.8V with ±1% FB Accuracy  
♦ 3.0V to 13.2V Input Voltage  
♦ 300kHz Switching Frequency  
♦ 25A Output-Current Capability  
♦ 93% Efficiency  
♦ All-N-Channel-MOSFET Design for Low Cost  
♦ No Current-Sense Resistor Needed  
♦ Internal Digital Soft-Start  
The MAX1954A features foldback current limiting that  
greatly reduces input current and component power  
dissipation during output overload or short-circuit  
conditions.  
The compensation and shutdown control (COMP) input,  
in addition to providing compensation to the error  
amplifier, can be pulled low to shut down the converter.  
An input undervoltage lockout is provided to ensure  
proper operation during power sags to prevent the  
external power MOSFETs from overheating. Internal  
digital soft-start is included to reduce inrush current  
and save an external capacitor.  
♦ Small 10-Pin µMAX Package  
The MAX1954A is available in a tiny 10-pin µMAX pack-  
age to minimize PC board space.  
Applications  
Printers and Scanners  
Ordering Information  
PART  
TEMP RANGE  
PIN-PACKAGE  
Graphic Cards and Video Cards  
PCs and Servers  
MAX1954AEUB  
-40°C to +85°C  
10 µMAX  
Microprocessor Cores  
Low-Voltage Distributed Power  
Telecom/Networks  
Pin Configuration  
TOP VIEW  
HSD  
COMP  
FB  
1
2
3
4
5
10 BST  
9
8
7
6
LX  
MAX1954A  
DH  
GND  
IN  
PGND  
DL  
µMAX  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
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