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LTM4614IV PDF预览

LTM4614IV

更新时间: 2024-01-17 15:53:21
品牌 Logo 应用领域
凌特 - Linear 稳压器
页数 文件大小 规格书
20页 347K
描述
Dual 4A per Channel Low VIN DC/DC μModule Regulator

LTM4614IV 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:LGA包装说明:LGA, LGA144,12X12,50
针数:144Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:3.64其他特性:ALSO OPERATES IN ADJUSTABLE MODE FROM 0.8V TO 5V
模拟集成电路 - 其他类型:DUAL SWITCHING CONTROLLER控制模式:CURRENT-MODE
最大输入电压:5.5 V最小输入电压:2.375 V
标称输入电压:5 VJESD-30 代码:S-PBGA-N144
JESD-609代码:e4长度:15 mm
湿度敏感等级:3功能数量:1
端子数量:144最高工作温度:125 °C
最低工作温度:-40 °C最大输出电流:8 A
标称输出电压:1.49 V封装主体材料:PLASTIC/EPOXY
封装代码:LGA封装等效代码:LGA144,12X12,50
封装形状:SQUARE封装形式:GRID ARRAY
峰值回流温度(摄氏度):245认证状态:Not Qualified
座面最大高度:2.92 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:PUSH-PULL
最大切换频率:1250 kHz温度等级:AUTOMOTIVE
端子面层:Gold (Au)端子形式:NO LEAD
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:30宽度:15 mm
Base Number Matches:1

LTM4614IV 数据手册

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LTM4614  
Dual 4A per Channel  
Low V DC/DC  
IN  
µModule Regulator  
FEATURES  
DESCRIPTION  
The LTM®4614 is a complete 4A dual output switching  
mode DC/DC power supply. Included in the package are  
the switching controllers, power FETs, inductors and all  
support components. The dual 4A DC/DC converters  
operate over an input voltage range of 2.375V to 5.5V.  
TheLTM4614supportsoutputvoltagesrangingfrom0.8V  
to 5V. The regulator output voltages are set by a single  
resistor for each output. Only bulk input and output ca-  
pacitors are needed to complete the design.  
n
Dual 4A Output Power Supply  
n
Input Voltage Range: 2.375V to 5.5V  
n
4A DC Typical, 5A Peak Output Current Each  
n
0.8V Up to 5V Output Each, Parallelable  
n
2% Total DC Output Error (0°C ≤ T ≤ 125°C)  
J
n
n
n
n
n
n
Output Voltage Tracking  
Up to 95% Efficiency  
Programmable Soft-Start  
Short-Circuit and Overtemperature Protection  
Power Good Indicators  
The low profile package (2.82mm) enables utilization of  
unused space on the bottom of PC boards for high density  
point of load regulation.  
Small and Very Low Profile Package:  
15mm × 15mm × 2.82mm  
Additional features include overvoltage protection, foldback  
overcurrentprotection,thermalshutdownandprogrammable  
soft-start. The power module is offered in a space saving  
and thermally enhanced 15mm × 15mm × 2.82mm LGA  
package. The LTM4614 is Pb-free and RoHS compliant.  
APPLICATIONS  
n
Telecom and Networking Equipment  
n
FPGA Power  
n
SERDES and Other Low Noise Applications  
L, LT, LTC, LTM, μModule, Linear Technology and the Linear logo are registered trademarks  
of Linear Technology Corporation. All other trademarks are the property of their respective  
owners. Protected by U.S. Patents including 5481178, 6580258, 6304066, 6127815, 6498466,  
6611131, 6724174.  
Different Combinations of Input and Output Voltages  
NUMBER OF INPUTS  
NUMBER OF OUTPUTS  
I
OUT(MAX)  
2
2
1
4A, 4A  
2 (Current Share,  
Ex. 3.3V and 5V)  
8A  
1
1
2
1
4A, 4A  
8A, see LTM4608A  
TYPICAL APPLICATION  
Efficiency vs Output Current  
Dual Output 4A DC/DC μModule® Regulator  
91  
89  
87  
85  
83  
81  
79  
77  
75  
V
IN  
= 3.3V  
V
V
V
OUT1  
V
V
OUT  
IN1  
IN1  
OUT1  
FB1  
1.5V  
3.3V TO 5V  
1.2V/4A  
10μF  
10μF  
100μF  
100μF  
10k  
V
LTM4614  
OUT  
1.2V  
V
V
OUT2  
IN2  
V
V
IN2  
OUT2  
FB2  
1.5V/4A  
3.3V TO 5V  
5.76k  
GND1  
GND2  
4614 F01a  
2
0
1
3
4
LOAD CURRENT (A)  
4614 TA01b  
4614fa  
1

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