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LTM4647IY#PBF

更新时间： 2024-01-14 12:20:20
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
34页 1036K
描述
LTM4647 - 30A DC/DC Step-Down µModule Regulator; Package: BGA; Pins: 77; Temperature Range: -40°C to 85°C

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中文翻译

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LTM4647IY#PBF 技术参数

是否Rohs认证： 符合生命周期：Active
零件包装代码：BGA包装说明：BGA-77
针数：77Reach Compliance Code：compliant
风险等级：2.32Base Number Matches：1

LTM4647IY#PBF 数据手册

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LTM4647  
30A DC/DC Step-Down  
µModule Regulator  
FEATURES  
DESCRIPTION  
The LTM®4647 is a complete 30A output switching mode  
step-down DC/DC µModule® (power module) regulator.  
Includedinthepackagearetheswitchingcontroller,power  
FETs, inductor and all supporting components. Operating  
over an input voltage range of 4.7V to 15V, the LTM4647  
supports an output voltage range of 0.6V to 1.8V, set by  
a single external resistor. Only a few input and output  
capacitors are needed.  
n
4.7V to 15V Input Voltage Range  
n
0.6V to 1.8V Output Voltage Range  
n
30A DC Output Current  
n
1.2ꢀTotalDCOutputVoltageError(–40°Cto125°C)  
n
HighReliabilityN+1PhaseRedundancySupported  
n
InternalorExternalControlLoopCompensation  
n
Differential Remote Sense Amplifier for Precision  
Regulation  
n
Current Mode Control/Fast Transient Response  
Itshighefficiencydesigndelivers87%efficiencyfrom12V  
input to 1.0V output with 30A continuous load current.  
Highswitchingfrequencyandacurrentmodearchitecture  
enable a very fast transient response to line and load  
changes without sacrificing stability. The device supports  
frequency synchronization, programmable multiphase  
operation, N+1 phase redundancy, and output voltage  
tracking for supply rail sequencing.  
n
Multiphase Current Sharing Up to 180A  
n
Built-In Temperature Monitoring  
Selectable Pulse-Skipping, Burst Mode® Operation  
n
n
Soft-Start/Voltage Tracking  
n
Frequency Synchronization  
n
Output Overvoltage Protection  
n
Output Overcurrent Foldback Protection  
n
9mm × 15mm × 5.01mm BGA Package  
Fault protection features include overvoltage and overcur-  
rent protection. The power module is offered in a space  
saving 9mm × 15mm × 5.01mm BGA package. The  
LTM4647 is available with SnPb (BGA) or RoHS compli-  
ant terminal finish.  
APPLICATIONS  
n
Telecom, Networking and Industrial Equipment  
n
Point-of-Load Regulation  
L, LT, LTC, LTM, Linear Technology, the Linear logo, Burst Mode, µModule, LTpowerCAD  
and PolyPhase are registered trademarks of Analog Devices, Inc. All other trademarks are the  
property of their respective owners.  
TYPICAL APPLICATION  
12VIN, 1VOUT, 30A DC/DC µModule Regulator  
1VOUT Efficiency vs Load Current  
100  
95  
4.7µF  
1µF  
6.3V  
2.2Ω  
SV  
DRV INTV  
CC  
IN  
CC  
V
IN  
6V TO 15V  
90  
V
IN  
22µF  
25V  
×2  
HIZB  
85  
FREQ  
LTM4647  
V
OUT  
1V  
V
OUT  
+
80  
75  
70  
65  
30A  
43.2k  
V
V
47pF  
COMPa  
COMPb  
OSNS  
V
FB  
–
100µF  
6.3V  
×6  
TRACK/SS  
OSNS  
90.9k  
0.1µF  
5V INPUT*  
12V INPUT  
SGND GND  
4647 TA01a  
PINS NOT USED IN THIS CIRCUIT:  
10  
LOAD CURRENT (A)  
*5V INPUT SEE FIGURE 24  
15  
20  
25  
0
5
30  
CLKOUT, MODE/PLLIN, PGOOD,  
PHASMD, PWM, RUN, SW, TEMP , TEMP  
+
–
4647 TA01b  
4647fb  
1
For more information www.linear.com/LTM4647  
1234567...34

中文翻译

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LTM4647IY#PBF 替代型号

型号 品牌 替代类型 描述 数据表
LTM4647IY Linear

类似代替

 LTM4647 - 30A DC/DC Step-Down µModule Regulator; Package: BGA; Pins: 77; Temperat

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