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LTC3611EWP#TR PDF预览

LTC3611EWP#TR

更新时间： 2024-11-21 21:03:55
品牌 Logo 应用领域
凌特 - Linear 开关
页数 文件大小 规格书
26页 410K
描述
IC 10 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PQCC64, 9 X 9 MM, PLASTIC, QFN-64, Switching Regulator or Controller

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中文翻译

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LTC3611EWP#TR 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Transferred零件包装代码：QFN
包装说明：9 X 9 MM, PLASTIC, QFN-64针数：64
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.15
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：CURRENT-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：32 V
最小输入电压：4.5 V标称输入电压：15 V
JESD-30 代码：S-PQCC-N64JESD-609代码：e0
长度：9 mm功能数量：1
端子数量：64最高工作温度：125 °C
最低工作温度：最大输出电流：10 A
封装主体材料：PLASTIC/EPOXY封装代码：HVQCCN
封装等效代码：LCC64,.35SQ,20封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：235
认证状态：Not Qualified座面最大高度：1 mm
子类别：Switching Regulator or Controllers表面贴装：YES
切换器配置：BUCK最大切换频率：1000 kHz
技术：CMOS温度等级：OTHER
端子面层：Tin/Lead (Sn/Pb)端子形式：NO LEAD
端子节距：0.5 mm端子位置：QUAD
处于峰值回流温度下的最长时间：20宽度：9 mm
Base Number Matches：1

LTC3611EWP#TR 数据手册

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LTC3611  
10A, 32V Monolithic  
Synchronous Step-Down  
DC/DC Converter  
Description  
FeAtures  
TheLTC®3611isahighefficiency,monolithicsynchronous  
step-down DC/DC converter that can deliver up to 10A  
output current from a 4.5V to 32V (36V maximum) input  
supply. It uses a constant on-time valley current mode  
control architecture to deliver very low duty cycle opera-  
tion at high frequency with excellent transient response.  
Theoperatingfrequencyisselectedbyanexternalresistor  
n
10A Output Current  
n
Wide V Range = 4.5V to 32V (36V Maximum)  
IN  
n
Internal N-Channel MOSFETs  
True Current Mode Control  
Optimized for High Step-Down Ratios  
n
n
n
t
≤ 100ns  
0N(MIN)  
n
n
n
n
n
n
n
n
n
n
n
Extremely Fast Transient Response  
Stable with Ceramic C  
and is compensated for variations in V and V  
.
OUT  
IN  
OUT  
1ꢀ 0.6V Voltage Reference  
The LTC3611 can be configured for discontinuous or  
forced continuous operation at light load. Forced continu-  
ous operation reduces noise and RF interference while  
discontinuous mode provides high efficiency by reducing  
switching losses at light loads.  
Power Good Output Voltage Monitor  
Adjustable On-Time/Switching Frequency (>1MHz)  
Adjustable Current Limit  
Programmable Soft-Start  
Output Overvoltage Protection  
Optional Short-Circuit Shutdown Timer  
Low Shutdown I : 15μA  
Available in a 9mm × 9mm 64-Pin QFN Package  
Fault protection is provided by internal foldback current  
limiting,anoutputovervoltagecomparatorandanoptional  
short-circuitshutdowntimer.Soft-startcapabilityforsup-  
ply sequencing is accomplished using an external timing  
capacitor.Theregulatorcurrentlimitisuserprogrammable.  
A power good output voltage monitor indicates when  
the output is in regulation. The LTC3611 is available in a  
compact 9mm × 9mm QFN package.  
Q
ApplicAtions  
n
Point of Load Regulation  
Distributed Power Systems  
n
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear  
Technology Corporation. All other trademarks are the property of their respective owners.  
Patents including 5481178, 6100678, 6580258, 5847554, 6304066.  
typicAl ApplicAtion  
High Efficiency Step-Down Converter  
Efficiency and Power Loss  
vs Load Current  
182k  
V
OUT  
V
I
0.1µF  
ON  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
10000  
1000  
100  
10  
ON  
V
= 2.5V  
OUT  
V
IN  
4.5V TO 32V  
RUN/SS  
V
IN  
10µF  
×3  
V
IN  
= 5V  
100pF  
12.5k  
LTC3611  
V
IN  
= 25V  
1µH  
V
2.5V  
10A  
OUT  
SW  
680pF  
0.22µF  
100µF  
×2  
I
BOOST  
TH  
POWER LOSS,  
= 5V  
V
IN  
SGND INTV  
CC  
30.1k  
9.5k  
FCB  
POWER LOSS,  
39.2k  
11k  
V
= 25V  
IN  
4.7µF  
V
INTV  
CC  
RNG  
PGND  
1
PGOOD  
0.01  
0.1  
1
10  
EXTV  
CC  
V
FB  
LOAD CURRENT (A)  
3611 TA01b  
3611 TA01a  
3611fd  
ꢀ
1234567...26

中文翻译

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