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MAX5037ETH+

更新时间： 2024-11-09 20:05:19
品牌 Logo 应用领域
美信 - MAXIM 信息通信管理
页数 文件大小 规格书
31页 881K
描述
Switching Controller, Current-mode, 4A, 525kHz Switching Freq-Max, BICMOS, 7 X 7 MM, 0.90 MM HEIGHT, QFN-44

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MAX5037ETH+ 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：HVQCCN,针数：44
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.67
Base Number Matches：1

MAX5037ETH+ 数据手册

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19-3033; Rev 0; 10/03  
VRM 9.0/VRM 9.1, Dual-Phase,  
Parallelable, Average-Current-Mode Controller  
General Description  
Features  
The MAX5037A dual-phase, PWM controller provides  
high-output-current capability in a compact package  
with a minimum number of external components. The  
MAX5037A utilizes a dual-phase, average-current-mode  
ꢀ +4.75V to +5.5V or +8V to +28V Input Voltage  
Range  
ꢀ Up to 60A Output Current  
control that enables optimal use of low R  
DS(ON)  
ꢀ Internal Voltage Regulator for a +12V or +24V  
MOSFETs, eliminating the need for external heatsinks  
even when delivering high output currents.  
Power Bus  
ꢀ Internal 5-Bit DAC VID Control (VRM 9.0/VRM 9.1  
Differential sensing enables accurate control of the  
output voltage, while adaptive voltage positioning  
provides optimum transient response. An internal regula-  
tor enables operation with either +5V or +12V input volt-  
age without the need for additional voltage sources. The  
high switching frequency, up to 500kHz per phase, and  
dual-phase operation allow the use of low output induc-  
tor values and input capacitor values. This accommo-  
dates the use of PC board-embedded planar magnetics  
achieving superior reliability, current sharing, thermal  
management, compact size, and low system cost.  
Compliant, 0.8% Accuracy)  
ꢀ Programmable Adaptive Output Voltage  
Positioning  
ꢀ True Differential Remote Output Sensing  
ꢀ Out-of-Phase Controllers Reduce Input  
Capacitance Requirement and Distribute Power  
Dissipation  
ꢀ Average-Current-Mode Control  
Superior Current Sharing Between Individual  
Phases and Paralleled Modules  
The MAX5037A also features a clock input (CLKIN) for  
synchronization to an external clock, and a clock output  
(CLKOUT) with programmable phase delay (relative to  
CLKIN) for paralleling multiple phases. The MAX5037A  
also limits the reverse current in case the bus voltage  
becomes higher than the regulated output voltage.  
Accurate Current Limit Eliminates MOSFET and  
Inductor Derating  
ꢀ Limits Reverse-Current Sinking in Paralleled  
Modules  
The MAX5037A operates over the extended temperature  
range (-40°C to +85°C) and is available in 44-pin MQFP  
or thin QFN packages. Refer to the MAX5038A/  
MAX5041A and MAX5065/MAX5067 data sheets for  
either a fixed output voltage controller or an adjustable  
output voltage controller in an SSOP or thin QFN package.  
ꢀ Integrated High-Output-Current Gate Drivers  
ꢀ Selectable Fixed Frequency 250kHz or 500kHz per  
Phase (Up to 1MHz for Two Phases)  
ꢀ External Frequency Synchronization from 125kHz  
to 600kHz  
ꢀ Internal PLL with Clock Output for Paralleling  
Applications  
Multiple DC-DC Converters  
Servers and Workstations  
ꢀ Power-Good Output  
Point-of-Load High-Current/High-Density  
Telecom DC-DC Regulators  
ꢀ Phase Failure Detector (Patent Pending)  
ꢀ Overvoltage and Thermal Protection  
ꢀ 44-Pin MQFP or Thin QFN Packages  
Networking Systems  
Large-Memory Arrays  
RAID Systems  
Ordering Information  
High-End Desktop Computers  
PART  
TEMP RANGE  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
MAX5037AEMH  
MAX5037AETH  
44 MQFP  
44 Thin QFN  
Pin Configuration appears at end of data sheet.  
________________________________________________________________ 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...31

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