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MAX8833ETJ+ PDF预览

MAX8833ETJ+

更新时间： 2024-09-12 03:34:55
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信息通信管理
页数 文件大小 规格书
21页 335K
描述
Dual, 3A, 2MHz Step-Down Regulator

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MAX8833ETJ+ 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Active零件包装代码：QFN
包装说明：5 X 5 MM, 0.8 MM HEIGHT, LEAD FREE, MO-220WHHD-2, TQFN-32针数：32
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：20 weeks
风险等级：2.31Is Samacsys：N
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：VOLTAGE-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：3.6 V
最小输入电压：2.35 V标称输入电压：3.3 V
JESD-30 代码：S-XQCC-N32JESD-609代码：e3
长度：5 mm湿度敏感等级：1
功能数量：2端子数量：32
最高工作温度：85 °C最低工作温度：-40 °C
最大输出电流：6.4 A封装主体材料：UNSPECIFIED
封装代码：HVQCCN封装等效代码：LCC32,.2SQ,20
封装形状：SQUARE封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：0.8 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：2200 kHz技术：BICMOS
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
端子形式：NO LEAD端子节距：0.5 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：5 mmBase Number Matches：1

MAX8833ETJ+ 数据手册

 浏览型号MAX8833ETJ+的Datasheet PDF文件第2页浏览型号MAX8833ETJ+的Datasheet PDF文件第3页浏览型号MAX8833ETJ+的Datasheet PDF文件第4页浏览型号MAX8833ETJ+的Datasheet PDF文件第5页浏览型号MAX8833ETJ+的Datasheet PDF文件第6页浏览型号MAX8833ETJ+的Datasheet PDF文件第7页 
±9-0725; Rev 0; 8/07  
Dual, 3A, 2MHz Step-Down Regulator  
MAX83  
General Description  
The MAX8833 high-efficiency, dual step-down regulator  
is capable of delivering up to 3A at each output. The  
device operates from a 2.35V to 3.6V supply, and pro-  
vides output voltages from 0.6V to 0.9 x V , making it  
IN  
ideal for on-board point-of-load applications. Total output  
error is less than ±±1 over load, line, and temperature.  
Features  
o 35mΩ On-Resistance Internal MOSFETs  
o Dual, 3A, PWM Step-Down Regulators  
o Fully Protected Against Overcurrent,  
Short Circuit, and Overtemperature  
o ±±1 Output Accuracy over ꢀoad, ꢀine,  
and Temperature  
The MAX8833 operates in PWM mode with a switching  
frequency ranging from 0.5MHz to 2MHz, set by an  
external resistor. It can also be synchronized to an  
external clock in the same frequency range. Two inter-  
nal switching regulators operate ±80° out-of-phase to  
reduce the input ripple current, and consequently  
reduce the required input capacitance. The high  
operating frequency minimizes the size of external  
components. High efficiency, internal dual-nMOS  
design keeps the board cool under heavy loads. The  
voltage-mode control architecture and the high-band-  
width (> ±5MHz typ) voltage-error amplifier allow a type  
III compensation scheme to be utilized to achieve fast  
response under both line and load transients, and also  
allow for ceramic output capacitors.  
o Operates from 2.35V to 3.6V Supply  
o REFIN on One Channel for Tracking or  
External Reference  
o Integrated Boost Diodes  
o Adjustable Output from 0.6V to 0.9 x VIN  
o Soft-Start Reduces Inrush Supply Current  
o 0.5MHz to 2MHz Adjustable Switching,  
or FSYNC Input  
o All-Ceramic-Capacitor Design  
o ±80° Out-of-Phase Operation Reduces Input  
Ripple Current  
o Individual Enable Inputs and PWRGD Outputs  
o Available in 5mm x 5mm Thin QFN Package  
Programmable soft-start reduces input inrush current.  
Two enable inputs allow the turning on/off of each out-  
put individually, resulting in great flexibility for system-  
level designs. A reference input is provided to facilitate  
output-voltage tracking applications. The MAX8833 is  
available in a 32-pin thin QFN (5mm x 5mm) package  
with 0.8mm max height.  
Ordering Information  
PART  
PIN-PACKAGE  
PKG CODE  
32 Thin QFN  
(5mm x 5mm)  
MAX8833ETJ+  
T3255-4  
Note: The device is specified over the -40°C to +85°C extended  
temperature range.  
Applications  
+Denotes a lead-free package.  
ASIC/CPU/DSP Power Supplies  
Typical Operating Circuit  
DDR Power Supplies  
INPUT2  
INPUT1  
Set-Top Box Power Supplies  
Printer Power Supplies  
Network Power Supplies  
2.35V TO 3.6V  
2.35V TO 3.6V  
IN1 IN2  
BST1  
BST2  
OUTPUT1  
1.2V / 3A  
OUTPUT2  
1.5V / 3A  
LX1  
LX2  
PGND1  
PGND2  
MAX8833  
FB2  
FB1  
COMP1  
COMP2  
TYPE III  
TYPE III  
COMPENSATION  
COMPENSATION  
PWRGD1 PWRGD2  
EN1 EN2  
ON  
ON  
GND  
OFF  
OFF  
Pin Configuration appears at end of data sheet.  
________________________________________________________________ Maxim Integrated Products  
±
For pricing, delivery, and ordering information, please contact Maxim Direct at ±-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  
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