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MAX1952ESA

更新时间: 2024-10-03 21:13:03
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
15页 313K
描述
Switching Regulator, Current-mode, 4.5A, 1100kHz Switching Freq-Max, BICMOS, PDSO8, 0.150 INCH, SOIC-8

MAX1952ESA 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, SOP8,.25针数:8
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:1 week
风险等级:5.18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:5.5 V最小输入电压:2.6 V
标称输入电压:3.3 VJESD-30 代码:R-PDSO-G8
JESD-609代码:e0长度:4.9 mm
湿度敏感等级:1功能数量:1
端子数量:8最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:4.5 A
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP8,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):240
认证状态:Not Qualified座面最大高度:1.75 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:BUCK最大切换频率:1100 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:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:20宽度:3.9 mm
Base Number Matches:1

MAX1952ESA 数据手册

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19-2622; Rev 1; 8/03  
1MHz, All-Ceramic, 2.6V to 5.5V Input,  
2A PWM Step-Down DC-to-DC Regulators  
General Description  
Features  
The MAX1951/MAX1952 high-efficiency, DC-to-DC  
step-down switching regulators deliver up to 2A of out-  
put current. The devices operate from an input voltage  
range of 2.6V to 5.5V and provide an output voltage  
o Compact 0.385in2 Circuit Footprint  
o 10µF Ceramic Input and Output Capacitors, 2µH  
Inductor for 1.5A Output  
from 0.8V to V , making the MAX1951/MAX1952 ideal  
IN  
o Efficiency Up to 94%  
for on-board postregulation applications. The MAX1951  
total output error is less than 1% over load, line, and  
temperature.  
o 1% Output Accuracy Over Load, Line, and  
Temperature (MAX1951, Up to 1.5A)  
The MAX1951/MAX1952 operate at a fixed frequency of  
1MHz with an efficiency of up to 94%. The high operating  
frequency minimizes the size of external components.  
Internal soft-start control circuitry reduces inrush current.  
Short-circuit and thermal-overload protection improve  
design reliability.  
o Guaranteed 2A Output Current  
o Operate from 2.6V to 5.5V Supply  
o Adjustable Output from 0.8V to V (MAX1951)  
IN  
o Preset Output of 1.8V (1.5% Accuracy) (MAX1952)  
o Internal Digital Soft-Soft  
The MAX1951 provides an adjustable output from 0.8V  
to V , whereas the MAX1952 has a preset output of  
IN  
1.8V. Both devices are available in a space-saving 8-pin  
SO package.  
o Short-Circuit and Thermal-Overload Protection  
Ordering Information  
Applications  
ASIC/DSP/µP/FPGA Core and I/O Voltages  
Set-Top Boxes  
PIN-  
PART  
TEMP RANGE  
OUTPUT  
PACKAGE  
Cellular Base Stations  
MAX1951ESA -40 C to +80 C 8 SO  
MAX1952ESA -40 C to +80 C 8 SO  
Adj 0.8V to V  
Fixed 1.8V  
IN  
Networking and Telecommunications  
Pin Configuration  
Typical Operating Circuit  
OUTPUT  
IN  
INPUT  
2.6V TO 5.5V  
0.8V TO V , UP TO 2A  
TOP VIEW  
IN  
LX  
FB  
V
1
2
3
4
8
7
6
5
IN  
MAX1951  
CC  
V
CC  
REF  
GND  
FB  
LX  
MAX1951  
MAX1952  
PGND  
COMP  
COMP  
PGND  
REF  
GND  
OFF  
ON  
SO  
OPTIONAL  
________________________________________________________________ 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.  

MAX1952ESA 替代型号

型号 品牌 替代类型 描述 数据表
MAX1952ESA-T MAXIM

完全替代

Switching Regulator, Current-mode, 4.5A, 1100kHz Switching Freq-Max, BICMOS, PDSO8, 0.150
MAX1952ESA+T MAXIM

类似代替

Switching Regulator, Current-mode, 4.5A, 1100kHz Switching Freq-Max, BICMOS, PDSO8, 0.150
MAX1952ESA+ MAXIM

类似代替

1MHz, All-Ceramic, 2.6V to 5.5V Input, 2A PWM Step-Down DC-to-DC Regulators

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