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MAX1633AEAI PDF预览

MAX1633AEAI

更新时间： 2024-02-07 17:06:52
品牌 Logo 应用领域
美信 - MAXIM 电脑控制器
页数 文件大小 规格书
29页 288K
描述
Multi-Output, Low-Noise Power-Supply Controllers for Notebook Computers

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MAX1633AEAI 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：SSOP
包装说明：5.30 MM, 0.65 MM PITCH, SSOP-28针数：28
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.68
其他特性：ALSO CONTAIN 3.3 V OUTPUT模拟集成电路 - 其他类型：DUAL SWITCHING CONTROLLER
控制模式：CURRENT-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：30 V最小输入电压：4.2 V
标称输入电压：15 VJESD-30 代码：R-PDSO-G28
JESD-609代码：e0长度：10.2 mm
湿度敏感等级：1功能数量：2
端子数量：28最高工作温度：85 °C
最低工作温度：-40 °C最大输出电流：0.2 A
封装主体材料：PLASTIC/EPOXY封装代码：SSOP
封装等效代码：TSSOP28,.3封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, SHRINK PITCH峰值回流温度（摄氏度）：245
认证状态：Not Qualified座面最大高度：1.99 mm
子类别：Switching Regulator or Controllers表面贴装：YES
切换器配置：PUSH-PULL最大切换频率：330 kHz
技术：BICMOS温度等级：INDUSTRIAL
端子面层：Tin/Lead (Sn85Pb15)端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：5.29 mm
Base Number Matches：1

MAX1633AEAI 数据手册

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19-3518; Rev 1; 8/05  
Multi-Output, Low-Noise Power-Supply  
Controllers for Notebook Computers  
________________General Description  
____________________________Features  
♦ 96% Efficiency  
♦ +4.2V to +30V Input Range  
The MAX1630A–MAX1635A are buck-topology, step-  
down, switch-mode, power-supply controllers that gener-  
ate logic-supply voltages in battery-powered systems.  
These high-performance, dual-/triple-output devices  
include on-board power-up sequencing, power-good  
signaling with delay, digital soft-start, secondary winding  
control, low-dropout circuitry, internal frequency-com-  
pensation networks, and automatic bootstrapping.  
♦ 2.5V to 5.5V Dual Adjustable Outputs  
♦ Selectable 3.3V and 5V Fixed or Adjustable  
Outputs (Dual Mode™)  
♦ 12V Linear Regulator  
♦ Adjustable Secondary Feedback  
(MAX1631A/MAX1634A)  
Up to 96% efficiency is achieved through synchronous  
rectification and Maxim’s proprietary Idle Mode™ control  
scheme. Efficiency is greater than 80% over a 1000:1  
load-current range, which extends battery life in system-  
suspend or standby mode. Excellent dynamic response  
corrects output load transients caused by the latest  
dynamic-clock CPUs within five 300kHz clock cycles.  
Strong 1A on-board gate drivers ensure fast external  
n-channel MOSFET switching.  
♦ 5V/50mA Linear Regulator Output  
♦ Precision 2.5V Reference Output  
♦ Programmable Power-Up Sequencing  
♦ Power-Good (RESET) Output  
♦ Output Overvoltage Protection  
(MAX1630A/MAX1631A/MAX1632A)  
♦ Output Undervoltage Shutdown  
(MAX1630A/MAX1631A/MAX1632A)  
These devices feature a logic-controlled and synchroniz-  
able, fixed-frequency, pulse-width-modulation (PWM)  
operating mode. This reduces noise and RF interference  
in sensitive mobile communications and pen-entry appli-  
cations. Asserting the SKIP pin enables fixed-frequency  
mode for lowest noise under all load conditions.  
♦ 200kHz/300kHz Low-Noise, Fixed-Frequency  
Operation  
♦ Low-Dropout, 99% Duty-Factor Operation  
♦ 2.5mW Typical Quiescent Power (+12V Input,  
Both SMPSs On)  
♦ 4µA Typical Shutdown Current  
♦ 28-Pin SSOP Package  
The MAX1630A–MAX1635A include two PWM regulators,  
adjustable from 2.5V to 5.5V with fixed 5.0V and 3.3V  
modes. All these devices include secondary feedback  
regulation, and the MAX1630A/MAX1632A/MAX1633A/  
MAX1635A each contain 12V/120mA linear regulators.  
The MAX1631A/MAX1634A include a secondary feed-  
back input (SECFB), plus a control pin (STEER) that  
selects which PWM (3.3V or 5V) receives the secondary  
feedback signal. SECFB provides a method for adjusting  
the secondary winding voltage regulation point with an  
external resistor-divider, and is intended to aid in creating  
auxiliary voltages other than fixed 12V.  
_______________Ordering Information  
PART  
TEMP RANGE  
PIN-PACKAGE  
MAX1630AEAI  
-40°C to +85°C  
28 SSOP  
+Denotes lead-free package.  
Ordering Information continued at end of data sheet.  
________________Functional Diagram  
INPUT  
The MAX1630A/MAX1631A/MAX1632A contain internal  
output overvoltage and undervoltage protection features.  
The MAX1630A family has improved RF immunity over  
the MAX1630 family.  
+12V  
+5V (RTC)  
5V  
12V  
LINEAR  
LINEAR  
________________________Applications  
Notebook and Subnotebook Computers  
+3.3V  
+5V  
3.3V  
5V  
SMPS  
SMPS  
PDAs and Mobile Communicators  
Desktop CPU Local DC-DC Converters  
Pin Configurations and Selector Guide appear at end of data  
sheet.  
POWER-UP  
SEQUENCE  
POWER-  
GOOD  
ON/OFF  
RESET  
Idle Mode and Dual Mode are trademarks 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.  
1234567...29

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MAX1633AEAI-T MAXIM

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MAX1633EAI MAXIM

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MAX1634 MAXIM

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 		Multi-Output, Low-Noise Power-Supply Controllers for Notebook Computers
MAX1634AEAI MAXIM

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 		Multi-Output, Low-Noise Power-Supply Controllers for Notebook Computers

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