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MAX1673ESA-T

更新时间： 2024-10-01 21:19:39
品牌 Logo 应用领域
美信 - MAXIM 光电二极管
页数 文件大小 规格书
8页 79K
描述
Switched Capacitor Regulator, 0.125A, 515kHz Switching Freq-Max, PDSO8, SO-8

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中文翻译

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MAX1673ESA-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：5.22
模拟集成电路 - 其他类型：SWITCHED CAPACITOR REGULATOR最大输入电压：5.5 V
最小输入电压：2 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：0.125 A标称输出电压：-3.02 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：Other Analog ICs最大供电电流 (Isup)：16 mA
表面贴装：YES切换器配置：DOUBLER INVERTER
最大切换频率：515 kHz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：NOT SPECIFIED宽度：3.9 mm
Base Number Matches：1

MAX1673ESA-T 数据手册

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19-1334; Rev 0; 1/98  
Re g u la t e d , 1 2 5 m A-Ou t p u t ,  
Ch a rg e -P u m p DC-DC In ve rt e r  
MAX1673  
________________Ge n e ra l De s c rip t io n  
____________________________Fe a t u re s  
The MAX1673 charge-pump inverter provides a low-  
cost, compact means of generating a regulated nega-  
tive output from a positive input at up to 125mA. It  
requires only three small capacitors, and only two resis-  
tors to set its output voltage. The input range is 2V to  
♦ Regulated Negative Output Voltage  
(up to -1 x V )  
IN  
♦ 125mA Output Current  
♦ 35µA Quiescent Supply Current  
5.5V. The regulated output can be set from 0V to -V in  
IN  
(Skip-mode regulation)  
Skip regulation mode or -1.5V to -V in Linear (LIN)  
IN  
♦ 350kHz Fixed-Frequency, Low-Noise Output  
regulation mode.  
(Linear-mode regulation)  
In Skip mode, the MAX1673 regulates by varying its  
switching frequency as a function of load current. This  
On-De ma nd ™ s witc hing g ive s the MAX1673 two  
advantages: very small capacitors and very low quies-  
cent supply current. At heavy loads, it transfers energy  
from the inp ut to the outp ut b y s witc hing a t up to  
350kHz. It switches more slowly at light loads, using  
only 35µA quiescent supply current.  
♦ 2V to 5.5V Input Range  
♦ 1µA Logic-Controlled Shutdown  
In Linear mode, the MAX1673 switches at a constant  
350kHz a t a ll loa d s a nd re g ula te s b y c ontrolling  
the current-path resistance. This provides constant-  
frequency ripple, which is easily filtered for low-noise  
applications.  
_______________Ord e rin g In fo rm a t io n  
PART  
TEMP. RANGE  
PIN-PACKAGE  
This device also features a 1µA logic-controlled shut-  
down mode and is available in a standard 8-pin SO  
package. For a device that delivers about 10mA and  
fits in a smaller package, refer to the MAX868.  
MAX1673ESA  
-40°C to +85°C  
8 SO  
________________________Ap p lic a t io n s  
Hard Disk Drives  
Camcorders  
Measurement Instruments  
Modems  
Analog Signal-Processing  
Applications  
Digital Cameras  
Typ ic a l Op e ra t in g Circ u it  
INPUT 2V TO 5.5V  
___________________P in Co n fig u ra t io n  
ON  
IN  
REGULATED  
NEGATIVE  
OUTPUT  
TOP VIEW  
OFF  
SHDN  
FB  
(UP TO -1 x V ,  
UP TO 125mA)  
IN  
LIN/SKIP  
CAP+  
1
2
3
4
8
7
6
5
IN  
MAX1673  
CAP+  
CAP-  
OUT  
GND  
FB  
MAX1673  
CAP-  
LIN/SKIP GND  
SHDN  
OUT  
SO  
On-Demand™ is a trademark of Maxim Integrated Products.  
________________________________________________________________ Maxim Integrated Products  
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.  
For small orders, phone 408-737-7600 ext. 3468.  
12345678

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