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MAX830

更新时间： 2024-11-18 22:12:27
品牌 Logo 应用领域
美信 - MAXIM 稳压器开关
页数 文件大小 规格书
5页 46K
描述
5V/3.3V/3V/Adjustable-Output, 1A, Step-Down, PWM, Switch-Mode DC-DC Regulators

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MAX830 数据手册

 浏览型号MAX830的Datasheet PDF文件第2页浏览型号MAX830的Datasheet PDF文件第3页浏览型号MAX830的Datasheet PDF文件第4页浏览型号MAX830的Datasheet PDF文件第5页 
19-0167; Rev 2; 6/95  
5V/3.3V/3V/Adjus ta ble -Output, 1A,  
Ste p-Dow n, PWM, Sw itc h-Mode DC-DC Re gula tors  
0–MAX83  
_______________Ge n e ra l De s c rip t io n  
___________________________Fe a t u re s  
♦ Input Range: Up to 30V  
The MAX830/MAX831/MAX832/MAX833 are monolithic,  
bipolar, pulse-width-modulation (PWM), switch-mode, step-  
down DC-DC regulators. Each is rated at 1A. Very few  
external components are needed for standard operation  
because the power switch, oscillator, feedback, and control  
circuitry are all on-chip. Employing a classic buck topology,  
these regulators perform high-current step-down functions.  
♦ 1A On-Chip Power Switch  
♦ Adjustable Output (MAX830)  
Fixed Outputs: 5V (MAX831)  
3.3V (MAX832)  
3V (MAX833)  
♦ 100kHz Switching Frequency  
♦ Excellent Dynamic Characteristics  
♦ Few External Components  
♦ 8mA Quiescent Current  
♦ 16-Pin SO Package  
These regulators have excellent dynamic and transient  
response characteristics, while featuring cycle-by-cycle cur-  
rent limiting to protect against overcurrent faults and short-  
circuit output faults. They have a wide 8V to 30V input  
range. Outputs for the MAX831/MAX832/MAX833 are fixed  
a t 5V/3.3V/3V, re s p e c tive ly. The MAX830 outp ut is  
adjustable.  
♦ Evaluation Kit Available  
Available in 16-pin SO packages, the MAX830–MAX833  
have a preset 100kHz oscillator frequency. In addition,  
the preset current limit and micropower shutdown can be  
externally controlled. See the MAX724/MAX726 data  
sheet for more applications information.  
______________Ord e rin g In fo rm a t io n  
PART  
TEMP. RANGE PIN-PACKAGE  
MAX830CWE  
MAX831CWE  
MAX832CWE  
MAX833CWE  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
16 Wide SO  
16 Wide SO  
16 Wide SO  
16 Wide SO  
_______________________Ap p lic a t io n s  
Distributed Power from High-Voltage Buses  
High-Current, High-Voltage Step-Down Applications  
Multiple-Output Buck Converter  
__________Typ ic a l Op e ra t in g Circ u it  
__________________P in Co n fig u ra t io n  
TOP VIEW  
V
V
IN  
1
2
3
4
5
6
7
8
SW  
16  
INPUT  
8V TO 30V  
OUTPUT  
5V AT 1A  
100µH*  
V
IN  
V
15 SW  
V
SW  
V
IN  
V
IN  
V
14 SW  
100µF  
V
IN  
MBR350  
V
SW  
MAX830  
MAX831  
MAX832  
MAX833  
13  
12  
11  
10  
9
MAX831  
GND  
GND  
V
C
SENSE  
470µF  
I
V
C
LIM  
GND  
GND  
10k  
GND  
(FB) SENSE  
SHUT  
0.047µF  
Wide SO  
Tj ( ) = +125°C, θ  
MAX  
+55°C/W*  
jA =  
(
) ARE FOR MAX830  
STEP-DOWN CONVERTER  
* THIS THERMAL RESISTANCE NUMBER IS WITH THE DEVICE WELL MOUNTED  
ON 1 oz. COPPER WITH THERMAL PASTE BETWEEN THE IC AND THE  
UNDERLYING GROUND PLANE. LOWER THERMAL RESISTANCE IS POSSIBLE  
(SEE APPLICATIONS SECTION).  
* CoilCraft DO3316-104  
________________________________________________________________ Maxim Integrated Products  
1
Ca ll t o ll fre e 1 -8 0 0 -9 9 8 -8 8 0 0 fo r fre e s a m p le s o r lit e ra t u re .  
12345

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与MAX830相关器件

型号 品牌 获取价格 描述 数据表
MAX830CWE MAXIM

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 		5V/3.3V/3V/Adjustable-Output, 1A, Step-Down, PWM, Switch-Mode DC-DC Regulators
MAX830CWE ROCHESTER

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 		1.2A SWITCHING REGULATOR, 100kHz SWITCHING FREQ-MAX, PDSO16, 0.300 INCH, SOP-16
MAX830CWE+ MAXIM

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 		Switching Regulator, Voltage-mode, 1.2A, 100kHz Switching Freq-Max, BIPolar, PDSO16, 0.300
MAX830CWE+ ROCHESTER

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 		1.2A SWITCHING REGULATOR, 100kHz SWITCHING FREQ-MAX, PDSO16, 0.300 INCH, SOP-16
MAX830CWE+T MAXIM

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 		Switching Regulator, Voltage-mode, 1.2A, 100kHz Switching Freq-Max, BIPolar, PDSO16, 0.300
MAX830CWE-T MAXIM

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 		暂无描述
MAX830-MAX833 MAXIM

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 		5V/3.3V/3V/Adjustable-Output, 1A, Step-Down, PWM, Switch-Mode DC-DC Regulators
MAX831 MAXIM

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 		Evaluation Kit for the MAX830/MAX831/MAX832/MAX833
MAX831CWE MAXIM

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 		5V/3.3V/3V/Adjustable-Output, 1A, Step-Down, PWM, Switch-Mode DC-DC Regulators
MAX831CWE ROCHESTER

获取价格

 		1.2A SWITCHING REGULATOR, 100kHz SWITCHING FREQ-MAX, PDSO16, 0.300 INCH, SOP-16

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