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MAX15022ATI+T

更新时间： 2024-11-14 20:10:07
品牌 Logo 应用领域
美信 - MAXIM 信息通信管理开关
页数 文件大小 规格书
28页 308K
描述
Dual Switching Controller, Voltage-mode, 6A, 4000kHz Switching Freq-Max, BICMOS, TQFN-28

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MAX15022ATI+T 技术参数

是否Rohs认证： 符合生命周期：Obsolete
包装说明：HVQCCN,Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.76其他特性：OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 5.5V
模拟集成电路 - 其他类型：DUAL SWITCHING CONTROLLER控制模式：VOLTAGE-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：5.5 V
最小输入电压：2.5 V标称输入电压：3.3 V
JESD-30 代码：S-XQCC-N28长度：5 mm
功能数量：1端子数量：28
最高工作温度：125 °C最低工作温度：-40 °C
最大输出电流：6 A封装主体材料：UNSPECIFIED
封装代码：HVQCCN封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE座面最大高度：0.8 mm
表面贴装：YES切换器配置：PHASE-SHIFT
最大切换频率：4000 kHz技术：BICMOS
温度等级：AUTOMOTIVE端子形式：NO LEAD
端子节距：0.5 mm端子位置：QUAD
宽度：5 mmBase Number Matches：1

MAX15022ATI+T 数据手册

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19-4107; Rev 1; 7/11  
Dual, 4A/2A, 4MHz, Step-Down DC-DC  
Regulator with Dual LDO Controllers  
MAX1502  
General Description  
Features  
The MAX15022 is a dual-output, pulse-width-modulated  
(PWM), step-down DC-DC regulator with dual LDO con-  
trollers. The device operates from 2.5V to 5.5V and  
each output can be adjusted from 0.6V to the input  
o 2.5V to 5.5V Input-Voltage Range  
o Dual-Output Synchronous Buck Regulators  
o Integrated Switches for 4A and 2A Output  
Currents  
supply (V  
). The MAX15022 delivers up to 4A (regu-  
AVIN  
lator 1) and 2A (regulator 2) of output current with two  
LDO controllers that can be used to drive two external  
PNP transistors to provide two additional outputs. This  
device offers the ability to adjust the switching frequen-  
cy from 500kHz to 4MHz and provides the capability of  
optimizing the design in terms of size and performance.  
o 180° Out-Of-Phase Operation  
o Output Voltage Adjustable from 0.6V to V  
o Two LDO Controllers  
AVIN  
o Lossless, Cycle-by-Cycle Current Sensing  
o External Compensation for Maximum Flexibility  
The MAX15022 utilizes a voltage-mode control scheme  
with external compensation to provide good noise  
immunity and maximum flexibility in selecting inductor  
values and capacitor types. The dual switching regula-  
tors operate 180° out-of-phase, thereby reducing the  
RMS input ripple current and thus the size of the input  
bypass capacitor significantly.  
o Digital Soft-Start and Soft-Stop for Tracking  
Applications  
o Digital Soft-Start into a Prebiased Load for  
Sequencing Applications  
o Sequencing or Coincident/Ratiometric Tracking  
o Programmable Switching Frequency from 500kHz  
The MAX15022 offers the ability to track (coincident or  
ratiometric) or sequence during power-up and power-  
down operation. When sequencing, it powers up glitch-  
free into a prebiased output.  
to 4MHz  
o Thermal Shutdown and Hiccup-Mode Short-  
Circuit Protection  
o 30µA Shutdown Current  
Additional features include an internal undervoltage  
lockout with hysteresis and a digital soft-start/soft-stop  
for glitch-free power-up and power-down. Protection  
features include lossless cycle-by-cycle current limit,  
hiccup-mode output short-circuit protection, and ther-  
mal shutdown.  
o 100% Maximum Duty Cycle  
o Space-Saving (5mm x 5mm) 28-Pin TQFN  
Package  
Pin Configuration  
The MAX15022 is available in a space-saving, 5mm x  
5mm, 28-pin TQFN-EP package and is specified for  
operation from -40°C to +125°C temperature range.  
TOP VIEW  
21 20 19 18 17 16 15  
Applications  
14  
13  
B4 22  
FB3  
B3  
RFID Reader Cards  
COMP2 23  
Power-over-Ethernet (PoE) IP Phones  
Automotive Multimedia  
Multivoltage Supplies  
12 COMP1  
24  
25  
26  
27  
28  
FB2  
EN2  
FB1  
11  
10  
9
MAX15022  
SGND  
AVIN  
RT  
EN1  
Networking/Telecom  
DVDD1  
PGND1  
*EP  
6
+
Ordering Information  
8
PART  
TEMP RANGE  
-40°C to +125°C  
-40°C to +125°C  
PIN-PACKAGE  
28 TQFN-EP*  
28 TQFN-EP*  
1
2
3
4
5
7
MAX15022ATI+  
MAX15022ATI/V+  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
*EP = Exposed pad.  
/V denotes an automotive qualified part.  
THIN QFN  
(5mm x 5mm)  
*EP = EXPOSED PAD.  
________________________________________________________________ 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.  
1234567...28

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