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LTM4628IVPBF PDF预览

LTM4628IVPBF

更新时间： 2024-01-11 04:17:08
品牌 Logo 应用领域
LINEAR_DIMENSIONS 稳压器
页数 文件大小 规格书
36页 707K
描述
Dual 8A or Single 16A DC/DC μModule Regulator

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LTM4628IVPBF 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：3.72Samacsys Description：Linear Technology, LTM4628IV#PBF Switching Regulator Dual-Channel 8A Adjustable 144-Pin, LGA
其他特性：ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 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：26.5 V最小输入电压：4.5 V
标称输入电压：12 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：0.1 A
标称输出电压：1.5 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：4.42 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：780 kHz技术：BIPOLAR
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

LTM4628IVPBF 数据手册

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LTM4628  
Dual 8A or Single 16A  
DC/DC µModule Regulator  
FeaTures  
DescripTion  
The LTM®4628 is a complete dual 8A output switching  
mode DC/DC power supply and can be easily configured  
to provide a single 2-phase 16A output. Included in the  
packagearetheswitchingcontroller,powerFETs,inductor,  
and all supporting components. Operating from an input  
voltage range of 4.5V to 26.5V, the LTM4628 supports  
two outputs each with an output voltage range of 0.6V to  
5.5V, set by a single external resistor. Its high efficiency  
design delivers 8A continuous current for each output.  
Only a few input and output capacitors are needed.  
n
Complete Standalone Dual Power Supply  
n
Single 16A or Dual 8A Output  
n
Wide Input Voltage Range: 4.5V to 26.5V  
n
Output Voltage Range: 0.6V to 5.5V  
n
1.5ꢀ ꢁotal DC Output Error  
n
Differential Remote Sense Amplifier  
n
Current Mode Control/Fast ꢁransient Response  
n
Adjustable Switching Frequency  
n
n
Overcurrent Foldback Protection  
Multiphase Parallel Current Sharing with  
Multiple LꢁM4628s  
The device supports frequency synchronization, multi-  
phaseoperation,BurstModeoperationandoutputvoltage  
tracking for supply rail sequencing. It has an onboard  
temperature diode for device temperature monitoring.  
High switching frequency and a current mode architec-  
ture enable a very fast transient response to line and load  
changes without sacrificing stability.  
n
n
n
n
n
n
Frequency Synchronization  
Internal ꢁemperature Sensing Diode Output  
Selectable Burst Mode® Operation  
Soft-Start/Voltage Tracking  
Output Overvoltage Protection  
Small Surface Mount Footprint, Low Profile  
15mm × 15mm × 4.32mm LGA and  
15mm × 15mm × 4.92mm BGA Packages  
Fault protection features include overvoltage and over-  
current protection. The power module is offered in space  
saving and thermally enhanced 15mm × 15mm × 4.32mm  
LGA and 15mm × 15mm × 4.92mm BGA packages. The  
LTM4628 is RoHS compliant with Pb-free finish.  
applicaTions  
n
Telecom and Networking Equipment  
n
Storage and ATCA Cards  
L, LT, LTC, LTM, Linear Technology, the Linear logo, µModule, Burst Mode and PolyPhase  
are registered and LTpowerCAD is a trademarks of Linear Technology Corporation. All other  
trademarks are the property of their respective owners.  
n
Industrial Equipment  
Typical applicaTion  
Dual 8A, 1.5V and 1.2V Output DC/DC µModule® Regulator  
Efficiency and Power Loss  
at 12V Input  
4.7µF  
95  
90  
85  
80  
75  
70  
65  
60  
55  
50  
2.0  
1.8  
1.6  
1.4  
1.2  
1.0  
0.8  
0.6  
0.4  
0.2  
0
1.2V  
MODE_PLLIN CLKOUT INTV  
EXTV  
PGOOD1  
CC  
1.5V  
CC  
V
EFFICIENCY  
IN  
V
OUT1  
1.5V AT 8A  
4.5V TO  
26.5V  
V
IN  
V
OUT1  
10µF  
35V  
×4  
100µF  
6.3V  
*
*
TEMP  
V
120k  
OUTS1  
470µF  
6.3V  
10k  
RUN1  
DIFFOUT  
SW1  
RUN2  
TRACK1  
TRACK2  
V
V
FB1  
FB2  
LTM4628  
POWER LOSS  
5.1V ZENER  
40.2k  
f
0.1µF  
COMP1  
COMP2  
SET  
60.4k  
PHASMD  
V
OUTS2  
V
OUT2  
1.2V AT 8A  
V
100k  
OUT2  
100µF  
6.3V  
0
1
2
3
4
5
6
7
8
SW2  
470µF  
6.3V  
LOAD CURRENT (A)  
PGOOD2  
4628 TA01b  
SGND  
GND  
DIFFP  
DIFFN  
* PULL-UP RESISTOR AND  
ZENER ARE OPTIONAL.  
4628 TA01a  
4628fd  
1
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