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MAX653ESA-T

更新时间: 2024-09-18 20:05:11
品牌 Logo 应用领域
美信 - MAXIM 开关光电二极管
页数 文件大小 规格书
13页 766K
描述
Switching Regulator, Current-mode, 1A, CMOS, PDSO8, 0.150 INCH, MS-012, SOIC-8

MAX653ESA-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, SOP8,.25针数:8
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.17
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:CURRENT-MODE
控制技术:PULSE FREQUENCY MODULATION最大输入电压:11.5 V
最小输入电压:4 V标称输入电压:5 V
JESD-30 代码:R-PDSO-G8JESD-609代码:e0
长度:4.9 mm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:1 A
标称输出电压:3 V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):245认证状态:Not Qualified
座面最大高度:1.75 mm子类别:Switching Regulator or Controllers
最大供电电流 (Isup):0.02 mA表面贴装:YES
切换器配置:BUCK技术:CMOS
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
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:3.9 mmBase Number Matches:1

MAX653ESA-T 数据手册

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19-4505; Rev 4; 7/05  
5V/3.3V/3V/Adjustable, High-Efficiency,  
Low IQ, Step-Down DC-DC Converters  
_______________General Description  
____________________________Features  
High Efficiency for a Wide Range of Load Currents  
10µA Quiescent Current  
The MAX639/MAX640/MAX653 step-down switching  
regulators provide high efficiency over a wide range of  
load currents, delivering up to 225mA. A current-limiting  
pulse-frequency-modulated (PFM) control scheme gives  
the devices the benefits of pulse-width-modulated  
(PWM) converters (high efficiency at heavy loads), while  
using only 10µA of supply current (vs. 2mA to 10mA for  
PWM converters). The result is high efficiency over a  
wide range of loads.  
Output Currents Up to 225mA  
Preset or Adjustable Output Voltage:  
5.0V (MAX639)  
3.3V (MAX640)  
3.0V (MAX653)  
The MAX639/MAX640/MAX653 input range is 4V to  
11.5V, and the devices provide lower preset output volt-  
ages of 5V, 3.3V, and 3V, respectively. Or, the output  
can be user-adjusted to any voltage from 1.3V to the  
input voltage.  
Low-Battery Detection Comparator  
Current-Limiting PFM Control Scheme  
______________Ordering Information  
The MAX639/MAX640/MAX653 have an internal 1A power  
MOSFET switch, making them ideal for minimum-compo-  
nent, low- and medium-power applications. For increased  
output drive capability, use the MAX649/MAX651/MAX652  
step-down controllers, which drive an external P-channel  
FET to deliver up to 5W.  
PART  
TEMP RANGE  
0°C to +70°C  
PIN-PACKAGE  
8 Plastic DIP  
8 SO  
MAX639CPA  
MAX639CSA  
MAX639C/D  
MAX639EPA  
MAX639ESA  
MAX639MJA  
0°C to +70°C  
0°C to +70°C  
Dice*  
-40°C to +85°C  
-40°C to +85°C  
-55°C to +125°C  
8 Plastic DIP  
8 SO  
________________________Applications  
9V Battery to 5V, 3.3V, or 3V Conversion  
High-Efficiency Linear Regulator Replacement  
Portable Instruments and Handy-Terminals  
5V-to-3.3V Converters  
8 CERDIP  
Ordering Information continued on last page.  
*Contact factory for dice specifications.  
__________Typical Operating Circuit  
__________________Pin Configuration  
TOP VIEW  
INPUT  
5.5V TO 11.5V  
OUTPUT  
5V  
V+  
225mA  
LX  
VOUT  
LBO  
8
7
6
5
1
2
3
4
SHDN  
VFB  
MAX639  
MAX640  
MAX653  
MAX639  
SHDN  
LBI  
ON/OFF  
VOUT  
LBO  
LBI  
V+  
LX  
LOW-BATTERY  
DETECTOR  
OUTPUT  
LOW-BATTERY  
DETECTOR  
INPUT  
GND  
DIP/SO  
VFB  
GND  
________________________________________________________________ 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.  

MAX653ESA-T 替代型号

型号 品牌 替代类型 描述 数据表
MAX653ESA MAXIM

完全替代

5V/3.3V/3V/Adjustable, High-Efficiency, Low IQ, Step-Down DC-DC Converters

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