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LTM4619IV#PBF PDF预览

LTM4619IV#PBF

更新时间： 2024-01-05 09:25:52
品牌 Logo 应用领域
凌特 - Linear 开关
页数 文件大小 规格书
26页 551K
描述
LTM4619 - Dual, 26VIN, 4A DC/DC µModule (Power Module) Regulator; Package: LGA; Pins: 144; Temperature Range: -40°C to 85°C

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中文翻译

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LTM4619IV#PBF 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
控制技术：PULSE WIDTH MODULATION最大输入电压：26.5 V
最小输入电压：4.5 V标称输入电压：12 V
JESD-30 代码：S-PBGA-N144JESD-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：12 A标称输出电压：2.52 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：PHASE-SHIFT最大切换频率：860 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 mmBase Number Matches：1

LTM4619IV#PBF 数据手册

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LTM4619  
Dual, 26V , 4A DC/DC  
IN  
µModule Regulator  
FeaTures  
DescripTion  
The LTM®4619 is a complete dual 4A or single 8A step-  
downDC/DCµModule® (micromodule)regulator.Included  
in the package are the switching controller, power FETs,  
inductor, and all support components. Operating over  
input voltage ranges of 4.5V to 26.5V, the LTM4619 sup-  
ports two outputs with voltage ranges of 0.8V to 5V, each  
set by a single external resistor. Its high efficiency design  
delivers 4A continuous current (5A peak) for each output.  
n
Complete Standalone Power Supply  
n
Wide Input Voltage Range: 4.5V to 26.5V  
(EXTV Available for V ≤ 5.5V)  
CC  
IN  
n
Dual 180° Out-of-Phase Outputs with 4A DC  
Typical, 5A Peak Output Current for Each  
Dual Outputs with 0.8V to 5V Range  
Output Voltage Tracking  
n
n
n
n
n
n
n
n
n
n
n
1.5ꢀ Maꢁimum Total DC Output Error  
Current Mode Control/Fast Transient Response  
Power Good  
Highswitchingfrequencyandacurrentmodearchitecture  
enable a very fast transient response to line and load  
changes without sacrificing stability. The two outputs  
are interleaved with 180° phase to minimize the ripple  
noise and reduce the I/O capacitors. The device supports  
frequencysynchronizationandoutputvoltagetrackingfor  
supply rail sequencing. Burst Mode operation or pulse-  
skipping mode can be selected for light load operations.  
Phase-Lockable Fiꢁed Frequency 250kHz to 780kHz  
On Board Frequency Synchronization  
Parallel Current Sharing  
Selectable Burst Mode® Operation  
Output Overvoltage Protection  
15mm × 15mm × 2.82mm LGA Package  
Fault protection features include overvoltage protection,  
overcurrent protection and foldback current limit for  
short-circuit protection.  
applicaTions  
n
Telecom and Networking Equipment  
n
Servers  
The low profile package (2.82mm) enables utilization of  
unused space on the bottom of PC boards for high density  
point of load regulation. The power module is offered in  
a 15mm × 15mm × 2.82mm LGA package. The LTM4619  
is RoHS compliant with Pb-free finish.  
n
Storage Cards  
n
ATCA Cards  
Industrial Equipment  
Point of Load Regulation  
n
n
L, LT, LTC, LTM, Linear Technology, the Linear logo, Burst Mode and µModule are registered  
trademarks and LTpowerCAD is a trademark of Linear Technology Corporation. All other  
trademarks are the property of their respective owners.  
Typical applicaTion  
Dual 4A 3.3V/2.5V DC/DC µModule Regulator  
Efficiency and Power Loss at 12V input  
95  
90  
85  
80  
75  
70  
65  
60  
55  
2.0  
1.5  
1.0  
0.5  
0
EFFICIENCY  
MODE/PLLIN INTV  
CC  
FREQ/PLLFLTR  
5.5V TO 26.5V  
V
V
IN  
10µF  
28k  
19.1k  
22pF  
×2  
V
FB1  
FB2  
22pF  
COMP1  
COMP2  
V
V
OUT2  
3.3V/4A  
OUT1  
LTM4619  
V
V
OUT2  
OUT1  
2.5V/4A  
100µF  
100µF  
TK/SS1  
RUN1  
TK/SS2  
RUN2  
POWER LOSS  
0.1µF  
0.1µF  
PGOOD  
EXTV  
CC  
2.5V  
3.3V  
OUT  
OUT  
SGND  
PGND  
4619 TA01a  
0
0.5  
1
1.5  
2
2.5  
3
3.5  
4
LOAD CURRENT (A)  
4619 TA01b  
4619fc  
1
For more information www.linear.com/LTM4619  
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中文翻译

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