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MAX1675EUA

更新时间： 2024-09-30 22:18:07
品牌 Logo 应用领域
美信 - MAXIM 转换器
页数 文件大小 规格书
12页 162K
描述
High-Efficiency, Low-Supply-Current, Compact, Step-Up DC-DC Converters

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MAX1675EUA 数据手册

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19-1360; Rev 0; 7/98  
Hig h -Effic ie n c y, Lo w -S u p p ly-Cu rre n t ,  
Co m p a c t , S t e p -Up DC-DC Co n ve rt e rs  
45/MAX176  
Ge n e ra l De s c rip t io n  
____________________________Fe a t u re s  
♦ 94% Efficient at 200mA Output Current  
♦ 16µA Quiescent Supply Current  
The MAX1674/MAX1675/MAX1676 compact, high-effi-  
ciency, step-up DC-DC converters fit in small µMAX  
packages. They feature a built-in synchronous rectifier,  
which improves efficiency and reduces size and cost  
by eliminating the need for an external Schottky diode.  
Quiescent supply current is only 16µA.  
♦ Internal Synchronous Rectifier (no external diode)  
♦ 0.1µA Logic-Controlled Shutdown  
The input voltage ranges from 0.7V to V  
, where  
♦ LBI/LBO Low-Battery Detector  
OUT  
V
OUT  
can be set from 2V to 5.5V. Start-up is guaran-  
♦ Selectable Current Limit for Reduced Ripple  
♦ Low-Noise, Anti-Ringing Feature (MAX1676)  
♦ 8-Pin and 10-Pin µMAX Packages  
te e d from 1.1V inp uts . The MAX1674/MAX1675/  
MAX1676 have a preset, pin-selectable output for 5V or  
3.3V. The outputs can also be adjusted to other volt-  
ages using two external resistors.  
♦ Preassembled Evaluation Kit (MAX1676EVKIT)  
All thre e d e vic e s ha ve a 0.3Ω N-c ha nne l MOSFET  
power switch. The MAX1674 has a 1A current limit. The  
MAX1675 has a 0.5A current limit, which permits the  
use of a smaller inductor. The MAX1676 comes in a  
10-pin µMAX package and features an adjustable cur-  
rent limit and circuitry to reduce inductor ringing.  
_______________Ord e rin g In fo rm a t io n  
PART  
TEMP. RANGE  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
8 µMAX  
________________________Ap p lic a t io n s  
MAX1674EUA  
MAX1675EUA  
MAX1676EUB  
Pagers  
8 µMAX  
Wireless Phones  
Medical Devices  
Hand-Held Computers  
PDAs  
10 µMAX  
RF Tags  
P in Co n fig u ra t io n s  
1 to 3-Cell Hand-Held Devices  
TOP VIEW  
Typ ic a l Op e ra t in g Circ u it  
1
2
3
4
8
7
6
5
OUT  
LX  
FB  
LBI  
INPUT  
0.7V TO V  
OUT  
MAX1674  
MAX1675  
LBO  
REF  
GND  
SHDN  
OUTPUT  
3.3V, 5V, OR  
ADJ (2V TO 5.5V)  
UP TO 300mA  
ON  
SHDN  
LX  
OFF  
µMAX  
MAX1674  
MAX1675  
OUT  
1
2
3
4
5
FB  
LBI  
10 OUT  
9
8
7
6
LX  
LOW-BATTERY  
DETECT IN  
LOW-BATTERY  
DETECT OUT  
MAX1676  
LBI  
LBO  
LBO  
GND  
BATT  
SHDN  
REF  
FB  
GND  
CLSEL  
REF  
0.1µF  
µMAX  
________________________________________________________________ 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.  
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MAX1675EUA 替代型号

型号 品牌 替代类型 描述 数据表
MAX1675EUA+ MAXIM

类似代替

 Switching Regulator, Voltage-mode, 1.5A, 500kHz Switching Freq-Max, PDSO8, UMAX-8
MAX1675EUA+T MAXIM

功能相似

 Switching Regulator, Voltage-mode, 1.5A, 500kHz Switching Freq-Max, PDSO8, UMAX-8

与MAX1675EUA相关器件

型号 品牌 获取价格 描述 数据表
MAX1675EUA+ MAXIM

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 		Switching Regulator, Voltage-mode, 1.5A, 500kHz Switching Freq-Max, PDSO8, UMAX-8
MAX1675EUA+T MAXIM

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 		Switching Regulator, Voltage-mode, 1.5A, 500kHz Switching Freq-Max, PDSO8, UMAX-8
MAX1676 MAXIM

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 		375MHz Quad Closed Loop Video Buffers.Av = +1 and +2[MAX496/MAX497/MAX496/MAX497/MAX496/MA
MAX1676 ADI

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 		高效率、低电源电流、紧凑的、升压型DC-DC转换器
MAX1676EUB MAXIM

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 		High-Efficiency, Low-Supply-Current, Compact, Step-Up DC-DC Converters
MAX1676EUB+ MAXIM

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 		Switching Regulator, Voltage-mode, 1.5A, 500kHz Switching Freq-Max, CMOS, PDSO10, EXPOSED
MAX1676EUB-T MAXIM

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 		Switching Regulator, Voltage-mode, 1.5A, 500kHz Switching Freq-Max, CMOS, PDSO10, UMAX-10
MAX1676EVKIT MAXIM

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 		Evaluation Kit for the MAX496/MAX497[MAX496EVKIT/MAX497EVKIT ]
MAX1677 MAXIM

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 		Compact, High-Efficiency, Dual-Output Step-Up and LCD Bias DC-DC Converter
MAX1677 ADI

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 		紧凑的、高效率、双输出、升压型和LCD偏置DC-DC转换器

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