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LTM4628EV#PBF PDF预览

LTM4628EV#PBF

更新时间： 2023-12-18 00:00:00
品牌 Logo 应用领域
凌特 - Linear 开关
页数 文件大小 规格书
36页 1024K
描述
LTM4628 - Dual 8A or Single 16A 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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LTM4628EV#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：5.21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 V
JESD-30 代码：S-PBGA-N144JESD-609代码：e3
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：
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：OTHER
端子面层：Matte Tin (Sn)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

LTM4628EV#PBF 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 available with SnPb (BGA) or RoHS compli-  
ant terminal finish.  
APPLICATIONS  
n
Telecom and Networking Equipment  
n
Storage and ATCA Cards  
n
Industrial Equipment  
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.  
TYPICAL APPLICATION  
Dual 8A, 1.5V and 1.2V Output DC/DC µModule® Regulator  
4.7µF  
Efficiency and Power Loss  
at 12V Input  
MODE_PLLIN CLKOUT INTV  
EXTV  
PGOOD1  
CC  
CC  
V
IN  
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
V
OUT1  
1.5V AT 8A  
4.5V TO  
26.5V  
1.2V  
V
IN  
V
OUT1  
10µF  
35V  
×4  
1.5V  
EFFICIENCY  
100µF  
6.3V  
*
*
TEMP  
V
120k  
OUTS1  
470µF  
6.3V  
10k  
RUN1  
DIFFOUT  
RUN2  
SW1  
TRACK1  
TRACK2  
V
V
FB1  
FB2  
LTM4628  
5.1V ZENER  
40.2k  
f
0.1µF  
COMP1  
COMP2  
SET  
60.4k  
POWER LOSS  
PHASMD  
V
OUTS2  
V
OUT2  
1.2V AT 8A  
V
100k  
OUT2  
SW2  
100µF  
6.3V  
470µF  
6.3V  
PGOOD2  
0
1
2
3
4
5
6
7
8
SGND  
GND  
DIFFP  
DIFFN  
LOAD CURRENT (A)  
* PULL-UP RESISTOR AND  
ZENER ARE OPTIONAL.  
4628 TA01b  
4628 TA01a  
4628fe  
1
For more information www.linear.com/LTM4628  
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