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MAX17552AUB+ PDF预览

MAX17552AUB+

更新时间： 2024-09-28 14:43:23
品牌 Logo 应用领域
美信 - MAXIM 信息通信管理开关光电二极管输出元件
页数 文件大小 规格书
23页 1406K
描述
Switching Controller, Current-mode, 0.235A, 2300kHz Switching Freq-Max, BICMOS, PDSO10, UMAX-10

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MAX17552AUB+ 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：SOIC
包装说明：TSSOP,针数：10
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：2.29其他特性：PFM CONTROL TECHNIQUE ALSO AVAILABLE; ADJUSTABLE OUTPUT MODE FROM 0.8 TO 54VOLT
模拟集成电路 - 其他类型：SWITCHING CONTROLLER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 V标称输入电压：24 V
JESD-30 代码：S-PDSO-G10JESD-609代码：e3
长度：3 mm湿度敏感等级：1
功能数量：1端子数量：10
最高工作温度：125 °C最低工作温度：-40 °C
最大输出电流：0.235 A封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装形状：SQUARE
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
座面最大高度：1.1 mm表面贴装：YES
切换器配置：BUCK最大切换频率：2300 kHz
技术：BICMOS温度等级：AUTOMOTIVE
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：0.5 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3 mm
Base Number Matches：1

MAX17552AUB+ 数据手册

 浏览型号MAX17552AUB+的Datasheet PDF文件第2页浏览型号MAX17552AUB+的Datasheet PDF文件第3页浏览型号MAX17552AUB+的Datasheet PDF文件第4页浏览型号MAX17552AUB+的Datasheet PDF文件第5页浏览型号MAX17552AUB+的Datasheet PDF文件第6页浏览型号MAX17552AUB+的Datasheet PDF文件第7页 
EVALUATION KIT AVAILABLE  
MAX17552/MAX17552A  
60V, 100mA, Ultra-Small, High-Efficiency,  
Synchronous Step-Down DC-DC Converter  
with 22µA No-Load Supply Current  
General Description  
Benefits and Features  
● Eliminates External Components and Reduces Total Cost  
• No Schottky—Synchronous Operation for High  
Efficiency and Reduced Cost  
The MAX17552/MAX17552A high-efficiency, high-voltage,  
synchronous step-down DC-DC converters with integrated  
MOSFETs operate over a 4V to 60V input voltage range.  
The converters can deliver output current up to 100mA at  
• Internal Compensation  
output voltages of 0.8V to 0.9 x V . The output voltage  
is accurate to within ±1.75% over the -40°C to +125°C  
temperature range.  
• Fixed Internal 5.1ms or Programmable Soft-Start  
• All-Ceramic Capacitors, Ultra-Compact Layout  
IN  
● Reduces Number of DC-DC Regulators to Stock  
The devices employ a peak-current-mode control  
architecture with a MODE pin that can be used to operate  
the device in pulse-width modulation (PWM) or pulse-  
frequency modulation (PFM) control schemes. PWM  
operation provides constant frequency operation at all  
loads and is useful in applications sensitive to variable  
switching frequency. PFM operation disables negative  
inductor current and additionally skips pulses at light  
loads for high efficiency. The converters consume only  
22µA of no-load supply current in PFM mode. The low-  
resistance, on-chip MOSFETs ensure high efficiency at  
full load and simplify PCB layout.  
• Wide 4V to 60V Input Voltage Range  
• Adjustable 0.8V to 0.9 x V Output Voltages  
IN  
• Delivers Up to 100mA Load Current  
• 100kHz to 2.2MHz Adjustable Switching Frequency  
Range with External Synchronization  
• Configurable Between PFM and Forced-PWM  
Modes  
● Reduces Power Dissipation  
• 22µA No Load Supply Current  
• Peak Efficiency > 90%  
• PFM Feature for High Light-Load Efficiency  
• 1.2μA (typ) Shutdown Current  
The devices offer programmable switching frequency to  
optimize solution size and efficiency. Programmable soft-  
start allows the user to reduce the inrush currents. During  
overload, the MAX17552 implements a hysteretic cycle-  
by-cycle peak-current-limit protection scheme, while the  
MAX17552A implements a HICCUP-type overload protec-  
tion scheme to protect the inductor and the internal FETs.  
An EN/UVLO pin allows the user to turn on/off the device  
at the desired input-voltage level. An open-drain RESET  
pin allows output-voltage monitoring. The devices operate  
over the -40°C to +125°C industrial temperature range  
and is available in a compact 10-pin (3mm x 2mm) TDFN  
● Operates Reliably in Adverse Industrial Environments  
• Peak Current-Limit Protection  
• Built-In Output-Voltage Monitoring with Open-Drain  
RESET Pin  
• Programmable EN/UVLO Threshold  
• Monotonic Startup into Prebiased Output  
• Overtemperature Protection  
• High Industrial -40°C to +125°C Ambient Operating  
Temperature Range / -40°C to +150°C Junction  
Temperature Range  
®
and 10-pin (3mm x 3mm) μMAX packages. Simulation  
models are available.  
Ordering Information appears at end of data sheet.  
Applications  
● Industrial Sensors and Process Control  
● 4mA–20mA Current-Loop Powered Sensors  
● High-Voltage LDO Replacement  
● Battery-Powered Equipment  
● HVAC and Building Control  
● General-Purpose Point of Load  
µMAX is a registered trademark of Maxim Integrated Products, Inc.  
19-6903; Rev 4; 9/17  
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