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LTM4662 PDF预览

LTM4662

更新时间: 2024-01-07 02:54:26
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
28页 1995K
描述
20VIN, 8A Step-Down DC/DC μModule Regulator

LTM4662 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Active包装说明:BGA,
针数:88Reach Compliance Code:compliant
风险等级:5.73其他特性:OPERATED FROM 2.375V WITH 5V EXT BIAS; O/P VOLTAGE IS FROM 0.6V OT 5.5V
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:20 V
最小输入电压:2.375 V标称输入电压:12 V
JESD-30 代码:R-PBGA-B88长度:15 mm
功能数量:1端子数量:88
最高工作温度:125 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:BGA
封装形状:RECTANGULAR封装形式:GRID ARRAY
峰值回流温度(摄氏度):NOT SPECIFIED座面最大高度:6.26 mm
表面贴装:YES切换器配置:BUCK
最大切换频率:1000 kHz温度等级:AUTOMOTIVE
端子形式:BALL端子节距:1.27 mm
端子位置:BOTTOM处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:11.25 mmBase Number Matches:1

LTM4662 数据手册

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LTM4657  
20VIN, 8A Step-Down DC/DC  
µModule Regulator  
FEATURES  
DESCRIPTION  
2
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Complete Solution in <1cm (Single-Sided PCB) or  
The LTM®4657 is a complete 8A step-down switching  
mode µModule (micromodule) regulator in a tiny 6.25mm  
× 6.25mm × 3.87mm BGA package. Included in the pack-  
age are the switching controller, power FETs, inductor and  
support components. Operating over an input voltage  
range of 3.1V to 20V, the LTM4657 supports an output  
voltage range of 0.5V to 5.5V, set by a single external  
resistor. Its high efficiency design delivers up to 8A con-  
tinuous output current. Only bulk input and output capac-  
itors are needed.  
2
0.5cm (Dual-Sided PCB)  
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6.25mm × 6.25mm × 3.87mm BGA Package  
Wide Input Voltage Range: 3.1V to 20V  
0.5V to 5.5V Output Voltage  
8A DC Output Current  
1.5ꢀ Maximum Total DC Output Voltage Error  
Over Line, Load and Temperature  
Differential Remote Sensing Amp  
Current Mode Control, Fast Transient Response  
External Frequency Synchronization  
Multiphase Parallel Current Sharing with  
Multiple LTM4657s  
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The LTM4657 supports selectable discontinuous mode  
operation and output voltage tracking for supply rail  
sequencing. Its high switching frequency and current  
mode control enable a very fast transient response to  
line and load changes without sacrificing stability.  
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Output Voltage Tracking  
Selectable Discontinuous Mode  
Power Good Indicator  
Overvoltage, Overcurrent and Overtemperature  
Protection  
Pin Compatible with LTM4626(12A) and LTM4638(15A)  
Fault protection features incl0ude overvoltage, overcur-  
rent and overtemperature protection.  
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The LTM4657 is available with SnPb or RoHS compliant  
terminal finish.  
APPLICATIONS  
All registered trademarks and trademarks are the property of their respective owners.  
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Telecom, Datacom, Networking and  
Industrial Equipment  
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Medical Diagnostic Equipment  
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Data Storage Rack Units and Cards  
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Test and Debug Systems  
TYPICAL APPLICATION  
Efficiency vs Load Current for VOUT = 1V  
8A, 1.0V Output DC/DC µModule® Step-Down Regulator  
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Rev. A  
1
Document Feedback  
For more information www.analog.com  

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