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MAX1830EEE

更新时间： 2024-10-02 22:34:51
品牌 Logo 应用领域
美信 - MAXIM 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数 文件大小 规格书
13页 278K
描述
3A, 1MHz, Low-Voltage, Step-Down Regulators with Synchronous Rectification and Internal Switches

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MAX1830EEE 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：0.150 INCH, 0.025 INCH PITCH, QSOP-16针数：16
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：5.2Is Samacsys：N
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：CURRENT-MODE
控制技术：CONSTANT OFF TIME最大输入电压：5.5 V
最小输入电压：3 V标称输入电压：3.3 V
JESD-30 代码：R-PDSO-G16JESD-609代码：e0
长度：4.89 mm湿度敏感等级：1
功能数量：1端子数量：16
最高工作温度：85 °C最低工作温度：-40 °C
最大输出电流：5.1 A封装主体材料：PLASTIC/EPOXY
封装代码：SSOP封装等效代码：SSOP16,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）：240认证状态：Not Qualified
座面最大高度：1.73 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：1000 kHz温度等级：INDUSTRIAL
端子面层：Tin/Lead (Sn85Pb15)端子形式：GULL WING
端子节距：0.635 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

MAX1830EEE 数据手册

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19-2198; Rev 0; 10/01  
3A, 1MHz, Low-Voltage, Step-Down Regulators with  
Synchronous Rectification and Internal Switches  
General Description  
Features  
The MAX1830/MAX1831 constant-off-time, pulse-width-  
modulated (PWM) step-down DC-DC converters are  
ideal for use in 5V and 3.3V to low-voltage conversion  
necessary in notebook and subnotebook computers.  
These devices feature internal synchronous rectification  
for high efficiency and reduced component count. They  
require no external Schottky diode. The internal 45mΩ  
PMOS power switch and 55mΩ NMOS synchronous-rec-  
tifier switch easily deliver continuous load currents up to  
3A. The MAX1830 produces preset +2.5V, +1.8V, or  
+1.5V output voltage or an adjustable output from +1.1V  
o
1ꢀ.5% OutOu%ꢁAAOꢂrAc  
o 945%EffiAienAc  
o Inueꢂnrl%PM S/NM S%SwiuAhes  
4.mΩ/..mΩ  n-ResisurnAe%ru%V =%+4ꢀ.V%  
.0mΩ/..mΩ  n-ResisurnAe%ru%V =%+3V  
IN  
IN  
o  OutOu%Volurges  
+3ꢀ3V,%+2ꢀ.V,%oꢂ%+1ꢀ.V%Pin%SeleAurble%(MꢁX1831)  
+2ꢀ.V,%+1ꢀ8V,%oꢂ%+1ꢀ.V%Pin%SeleAurble%(MꢁX1830)  
+1ꢀ1V%uo%V ꢁdjOsurble%(Bouh%DeviAes)  
IN  
to V . The MAX1831 produces preset +3.3V, +2.5V, and  
IN  
o +3V%uo%+.ꢀ.V%IntOu%Volurge%Rrnge  
o 7.0µꢁ%(mrx)% teꢂruing%SOttlc%COꢂꢂenu  
o <1µꢁ%ShOudown%SOttlc%COꢂꢂenu  
+1.5V output voltages and an adjustable output from  
+1.1V to V They achieve efficiencies as high as 94%.  
IN.  
The MAX1830/MAX1831 use a unique current-mode,  
constant-off-time, PWM control scheme, which includes  
Idle Mode™ to maintain high efficiency during light-  
load operation. The programmable constant-off-time  
architecture sets switching frequencies up to 1MHz,  
allowing the user to optimize performance trade-  
offs between efficiency, output switching noise, compo-  
nent size, and cost. Both devices are designed for con-  
tinuous output currents up to 3A, an internal digital  
soft-start to limit surge currents during startup, a 100%  
duty cycle mode for low-dropout operation, and a  
low-power shutdown mode that disconnects the input  
from the output and reduces supply current below  
1µA.The MAX1830/MAX1831 are available in 16-pin  
QSOP packages.  
o Pꢂogꢂrmmrble%Consurnu- ff-Time% teꢂruion  
o Ut%uo%1MHz%SwiuAhing%FꢂeqOenAc  
o Idle%Mode% teꢂruion%ru%Lighu%Lords  
o Theꢂmrl%ShOudown%  
o Inueꢂnrl%Digiurl%Sofu-Surꢂu%InꢂOsh%COꢂꢂenu%Limiuing  
o 1005%DOuc%CcAle%DOꢂing%Low-DꢂotoOu% teꢂruion  
o  OutOu%Shoꢂu-CiꢂAOiu%PꢂoueAuion  
o 16-Pin%QS P%PrAkrge  
Ordering Information  
For similar devices that provide continuous output  
currents of 1A to 3A, refer to the MAX1644, MAX1623,  
and MAX1742/MAX1842/MAX1843 data sheets.  
PꢁRT  
TEMPꢀ%RꢁNGE  
-40°C to +85°C  
-40°C to +85°C  
PIN-PꢁCKꢁGE  
MꢁX1830EEE  
MꢁX1831EEE  
16 QSOP  
16 QSOP  
Applications  
5V or 3.3V to Low-Voltage Conversion  
CPU I/O Supplies  
Typical Configuration  
Chipset Supplies  
OUTPUT  
+1.1V TO  
IN  
INPUT  
+3V TO  
+5.5V  
Notebook and Subnotebook Computers  
IN  
LX  
FB  
V
MAX1830  
MAX1831  
V
PGND  
CC  
GND  
SHDN  
COMP  
TOFF  
FBSEL  
REF  
Pin Configuration appears at end of data sheet.  
Idle Mode is a trademark of Maxim Integrated Products, Inc.  
________________________________________________________________ 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.  
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MAX1830EEE 替代型号

型号 品牌 替代类型 描述 数据表
MAX1830EEE-T MAXIM

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