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MAX17505ATP+T

更新时间： 2024-11-15 15:40:39
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
26页 1585K
描述
IC REG BUCK ADJ 1.7A SYNC 20TQFN

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中文翻译

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MAX17505ATP+T 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active包装说明：HVQCCN,
Reach Compliance Code：compliantFactory Lead Time：13 weeks
风险等级：5.73其他特性：ALSO OPERATES IN PFM CONTROL TECHNIQUE, ALSO OPERATES IN ADJUSTABLE MODE FROM 0.9 TO 54V
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：CURRENT-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：60 V
最小输入电压：4.5 V标称输入电压：24 V
JESD-30 代码：S-XQCC-N20JESD-609代码：e3
长度：4 mm湿度敏感等级：1
功能数量：1端子数量：20
最高工作温度：125 °C最低工作温度：-40 °C
最大输出电流：3.25 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峰值回流温度（摄氏度）：NOT SPECIFIED
座面最大高度：0.8 mm表面贴装：YES
切换器配置：BUCK最大切换频率：2450 kHz
技术：BICMOS温度等级：AUTOMOTIVE
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：4 mm
Base Number Matches：1

MAX17505ATP+T 数据手册

 浏览型号MAX17505ATP+T的Datasheet PDF文件第2页浏览型号MAX17505ATP+T的Datasheet PDF文件第3页浏览型号MAX17505ATP+T的Datasheet PDF文件第4页浏览型号MAX17505ATP+T的Datasheet PDF文件第5页浏览型号MAX17505ATP+T的Datasheet PDF文件第6页浏览型号MAX17505ATP+T的Datasheet PDF文件第7页 
EVALUATION KIT AVAILABLE  
MAX17505  
4.5V-60V, 1.7A, High-Efficiency,  
Synchronous Step-Down DC-DC Converter  
With Internal Compensation  
General Description  
The MAX17505/MAX17505S high-efficiency, high-  
voltage, synchronously rectified step-down converter with  
dual integrated MOSFETs operates over a 4.5V to 60V  
Benefits and Features  
●
EliminatesꢀExternalꢀComponentsꢀandꢀReducesꢀTotalꢀ  
Cost  
• NoꢀSchottky-SynchronousꢀOperationꢀforꢀHighꢀ  
EfficiencyꢀandꢀReducedꢀCost  
input. It delivers up to 1.7A and 0.9V to 90%V output  
IN  
voltage. Built-in compensation across the output voltage  
range eliminates the need for external components. The  
feedback (FB) regulation accuracy over -40NC to +125NC  
is ±1.1%. The device is available in a compact (4mm x  
4mm) TQFN lead(Pb)-free package with an exposed pad.  
Simulation models are available.  
• Internal Compensation for Stable Operation at Any  
Output Voltage  
• All-Ceramic Capacitor Solution: Ultra-Compact  
Layout with as Few as Eight External Components  
ReducesꢀNumberꢀofꢀDC-DCꢀRegulatorsꢀtoꢀStock  
• Wideꢀ4.5Vꢀtoꢀ60VꢀInputꢀVoltageꢀRange  
●
• 0.9V to 90%V Output Voltage  
IN  
The device features a peak-current-mode control  
architecture with a MODE feature that can be used to  
operate the device in pulse-width modulation (PWM),  
pulse-frequency modulation (PFM), or discontinuous-  
conduction mode (DCM) control schemes. PWM operation  
provides constant frequency operation at all loads, and is  
useful in applications sensitive to switching frequency.  
PFM operation disables negative inductor current and  
additionally skips pulses at light loads for high efficiency.  
DCM features constant frequency operation down to  
lighter loads than PFM mode, by not skipping pulses but  
only disabling negative inductor current at light loads.  
DCM operation offers efficiency performance that lies  
between PWM and PFM modes. The MAX17505S offers  
a lower minimum on-time that allows for higher switching  
frequencies and a smaller solution size.  
• Delivers Up to 1.7A Over Temperature  
• 100kHzꢀtoꢀ2.2MHzꢀAdjustableꢀFrequencyꢀwithꢀ  
External Synchronization  
• MAX17505SꢀAllowsꢀHigherꢀFrequencyꢀOfꢀOperation  
• Available in a 20-Pin, 4mm x 4mm TQFN Package  
ReducesꢀPowerꢀDissipation  
●
●
• PeakꢀEfficiencyꢀ>ꢀ90%  
• PFMꢀandꢀDCMꢀModesꢀforꢀHighꢀLight-LoadꢀEfficiency  
• Shutdown Current = 2.8FA (typ)  
OperatesꢀReliablyꢀ  
• Hiccup-ModeꢀCurrentꢀLimitꢀandꢀAutoretryꢀStartup  
• Built-In Output-Voltage Monitoring (Open-Drain  
RESET Pin)  
• Resistor-ProgrammableꢀEN/UVLOꢀThreshold  
• AdjustableꢀSoft-StartꢀandꢀPrebiasedꢀPower-Up  
• HighꢀIndustrialꢀ-40°Cꢀtoꢀ+125°CꢀAmbientꢀOperatingꢀ  
TemperatureꢀRange/-40°Cꢀtoꢀ+150°CꢀJunctionꢀ  
TemperatureꢀRange  
A programmable soft-start feature allows users to reduce  
input inrush current. The device also incorporates an  
output enable/undervoltage lockout pin (EN/UVLO) that  
allows the user to turn on the part at the desired input-  
voltage level. An open-drain RESET pin provides a  
delayed power-good signal to the system upon achieving  
successful regulation of the output voltage.  
Applications  
●ꢀ IndustrialꢀPowerꢀSupplies  
Ordering Information appears at end of data sheet.  
●ꢀ DistributedꢀSupplyꢀRegulation  
●ꢀ BaseꢀStationꢀPowerꢀSupplies  
●ꢀ WallꢀTransformerꢀRegulation  
●ꢀ High-VoltageꢀSingle-BoardꢀSystems  
●ꢀ General-PurposeꢀPoint-of-Load  
19-6907; Rev 2; 5/17  
1234567...26

中文翻译

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