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MAX17101ETJ+ PDF预览

MAX17101ETJ+

更新时间： 2024-09-17 11:18:19
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
31页 591K
描述
Dual Quick-PWM, Step-Down Controller with Low-Power LDO, RTC Regulator

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MAX17101ETJ+ 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Obsolete零件包装代码：QFN
包装说明：HVQCCN, LCC32,.2SQ,20针数：32
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.31.00.01Factory Lead Time：1 week
风险等级：5.66Is Samacsys：N
其他特性：ALSO OPER IN ADJ 0.7 TO 5.5V AND 0.8V TO 2V, 3.3, 5, 1.5 V O/P, PFM CTRL TECH, OPRTS AS A LDO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：24 V最小输入电压：6 V
标称输入电压：12 VJESD-30 代码：S-XQCC-N32
长度：5 mm功能数量：1
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：5 A
标称输出电压：1.05 V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）：NOT SPECIFIED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：PUSH-PULL
最大切换频率：20 kHz技术：BICMOS
温度等级：INDUSTRIAL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 mm
Base Number Matches：1

MAX17101ETJ+ 数据手册

 浏览型号MAX17101ETJ+的Datasheet PDF文件第2页浏览型号MAX17101ETJ+的Datasheet PDF文件第3页浏览型号MAX17101ETJ+的Datasheet PDF文件第4页浏览型号MAX17101ETJ+的Datasheet PDF文件第5页浏览型号MAX17101ETJ+的Datasheet PDF文件第6页浏览型号MAX17101ETJ+的Datasheet PDF文件第7页 
19-4243; Rev 1; 2/09  
Dual Quick-PWM, Step-Down Controller  
with Low-Power LDO, RTC Regulator  
MAX701  
General Description  
Features  
The MAX17101 is a dual Quick-PWM™ step-down  
power-supply (SMPS) controller with synchronous rectifi-  
cation, intended for main 5V/3.3V power generation in  
battery-powered systems. Low-side MOSFET sensing  
provides a simple low-cost, highly efficient current sense  
for providing valley current-limit protection. Combined  
with the output overvoltage and undervoltage protection  
features, this current limit ensures robust output supplies.  
o Dual Quick-PWM  
o Internal 100mA 5V or Adjustable Linear Regulator  
o Independent LDO Bypass Input  
o Internal Boost Diodes  
o Secondary Feedback Input Maintains Charge Pump  
o 3.3V 5mA RTC Power (Always On)  
o OUT1: 5V or 1.5V Fixed or 0.7V Adjustable  
Feedback  
o OUT2: 3.3V or 1.05V Fixed or Dynamic Adjustable  
o Dynamic 0 to 2V REFIN2 Input on Second Output  
o 2V 1ꢀ 50ꢁA Reference  
The 5V/3.3V SMPS outputs can save power by operating  
in pulse-skipping mode or in ultrasonic mode to avoid  
audible noise. Ultrasonic mode forces the controller to  
maintain switching frequencies greater than 20kHz at  
light loads.  
o 6V to 24V Input Range (28V max)  
o Ultrasonic Mode  
An internal 100mA linear regulator can be used to  
either generate the 5V bias needed for power-up or  
other lower power “always-on” suspend supplies. An  
independent bypass input allows automatic bypassing  
of the linear regulator when the SMPS is active.  
o Independent SMPS and LDO Enable Controls  
o Independent SMPS Power-Good Outputs  
o Minimal Component Count  
This main controller also includes a secondary feed-  
back input that triggers an ultrasonic pulse (DL1 turned  
on) if the SECFB voltage drops below its threshold volt-  
age. This refreshes an external charge pump driven by  
DL1 without overcharging the output voltage.  
Ordering Information  
PART  
TEMP RANGE  
PIN-PACKAGE  
MAX17101ETJ+  
-40°C to +85°C  
32 Thin QFN-EP*  
The device includes independent shutdown controls to  
simplify power-up and power-down sequencing. To  
prevent current surges at startup, the internal voltage  
target is slowly ramped up from zero to the final target  
over a 1ms period. To prevent the output from ringing  
below ground in shutdown, the internal voltage target  
is ramped down from its previous value to zero over a  
1ms period. Two independent power-good outputs  
simplify the interface with external controllers.  
+Denotes a lead-free/RoHS-compliant package.  
*EP = Exposed pad.  
Pin Configuration  
TOP VIEW  
24 23 22 21 20 19 18 17  
The MAX17101 comes in a lead-free 32-pin TQFN  
(5mm x 5mm) package and operates in the -40°C to  
+85°C temperature range.  
16  
15  
LX2 25  
DH2 26  
LX1  
DH1  
14 ON1  
27  
28  
29  
30  
31  
32  
ON2  
Applications  
PGOOD1  
ILIM1  
13  
12  
PGOOD2  
SKIP  
Notebook Computers  
MAX17101  
Main System Supply (5V and 3.3V Supplies)  
Graphic Cards  
11 FB1  
OUT2  
10  
9
OUT1  
BYP  
ILIM2  
DDR1, DDR2, DDR3 Power Supplies  
Game Consoles  
+
1
REFIN2  
2
3
4
5
6
7
8
Low-Power I/O and Chipset Supplies  
Two to Four Li+ Cells Battery-Powered Devices  
PDAs and Mobile Communicators  
Telecommunication  
THIN QFN  
A "+" SIGN FIRST-PIN INDICATOR DENOTES A LEAD-FREE PACKAGE.  
Quick-PWM is a trademark of Maxim Integrated Products, Inc.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  
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