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LTM4600HVMP PDF预览

LTM4600HVMP

更新时间: 2024-11-29 11:41:27
品牌 Logo 应用领域
凌特 - Linear 稳压器
页数 文件大小 规格书
26页 732K
描述
Low VIN, 8A DC/DC Module Regulator with Tracking, Margining, and Frequency Synchronization

LTM4600HVMP 数据手册

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LTM4608A  
Low V , 8A DC/DC µModule  
IN  
Regulator with Tracking, Margining,  
and Frequency Synchronization  
FEATURES  
DESCRIPTION  
The LTM®4608A is a complete 8A switch mode DC/DC  
n
Complete Standalone Power Supply  
n
±1.75% Total DC Output Error (–55°C to 125°C)  
2.7V to 5.5V Input Voltage Range  
8A DC, 10A Peak Output Current  
0.6V Up to 5V Output  
Output Voltage Tracking and Margining  
Power Good Tracks Margining  
power supply with ±±1.75 total output ꢀoltaꢁe error1 ꢂI-  
cluded iI the packaꢁe are the switchiIꢁ coItroller, power  
FETs, iIductor aId all support compoIeIts1 OperatiIꢁ  
oꢀer aI iIput ꢀoltaꢁe raIꢁe of 21.V to 717V, the LTM4608A  
supports aI output ꢀoltaꢁe raIꢁe of 016V to 7V, set by a  
siIꢁleexterIalresistor1ThishiꢁhefficieIcydesiꢁIdeliꢀers  
up to 8A coItiIuous curreIt (±0A peak)1 OIly bulk iIput  
aId output capacitors are Ieeded to complete the desiꢁI1  
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n
n
n
n
n
n
n
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n
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Multiphase Operation  
Parallel Current Sharing  
Onboard Frequency Synchronization  
Spread Spectrum Frequency Modulation  
Overcurrent/Thermal Shutdown Protection  
CurreIt Mode CoItrol/Fast TraIsieIt RespoIse  
Selectable Burst Mode® OperatioI  
Up to 975 EfficieIcy  
Output Oꢀerꢀoltaꢁe ProtectioI  
Small, Low Profile 9mm × ±7mm × 218mm  
LGA Packaꢁe (01630mm Pads)  
The low profile packaꢁe (218mm) eIables utilizatioI of  
uIused space oI the back side of PC boards for hiꢁh  
deIsity poiIt-of-load reꢁulatioI1 The 01630mm LGA pads  
with ±12.mm pitch simplify PCB layout by proꢀidiIꢁ staI-  
dard trace routiIꢁ aId ꢀia placemeIt1 The hiꢁh switchiIꢁ  
frequeIcy aId curreIt mode architecture eIable a ꢀery  
fast traIsieIt respoIse to liIe aId load chaIꢁes without  
sacrificiIꢁ stability1 The deꢀice supports frequeIcy syI-  
chroIizatioI, proꢁrammable multiphase aId/or spread  
spectrum operatioI, output ꢀoltaꢁe trackiIꢁ for supply  
rail sequeIciIꢁ aId ꢀoltaꢁe marꢁiIiIꢁ1  
APPLICATIONS  
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Telecom, NetworkiIꢁ aId ꢂIdustrial EquipmeIt  
Fault protectioI features iIclude oꢀerꢀoltaꢁe protectioI,  
oꢀercurreIt protectioI aId thermal shutdowI1 The power  
module is offered iI a compact aId thermally eIhaIced  
9mm × ±7mm × 218mm surface mouIt LGA packaꢁe1 The  
LTM4608A is Pb-free aId RoHS compliaIt1  
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Storaꢁe Systems  
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PoiIt of Load ReꢁulatioI  
L, LT, LTC, LTM, LiIear TechIoloꢁy, the LiIear loꢁo, Burst Mode, µModule aId PolyPhase  
are reꢁistered trademarks aId LTpowerCAD is a trademark of LiIear TechIoloꢁy CorporatioI1  
All other trademarks are the property of their respectiꢀe owIers1 Protected by U1S1 PateIts  
iIcludiIꢁ 748±±.8, 6780278, 6304066, 6±2.8±7, 6498466, 66±±±3±1  
TYPICAL APPLICATION  
Efficiency vs Load Current  
2.7V to 5.5V Input to 1.8V Output DC/DC µModule® Regulator  
100  
V
= 1.8V  
OUT  
CLKIN  
95  
V
= 3.3V  
IN  
CLKIN  
V
V
IN  
2.7V TO 5.5V  
OUT  
1.8V  
90  
85  
V
V
IN  
OUT  
V
= 5V  
IN  
SV  
FB  
IN  
10µF  
100µF  
4.87k  
SW  
I
TH  
LTM4608A  
RUN  
I
THM  
80  
75  
70  
PGOOD  
PLLLPF  
TRACK  
PGOOD  
MGN  
V
OUT  
CLKOUT GND SGND  
4608A TA01a  
0
2
4
6
8
10  
LOAD CURRENT (A)  
4608A TA01b  
4608afc  
1

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