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LTC3880EUJ-1#TRPBF

更新时间： 2024-02-27 01:40:30
品牌 Logo 应用领域
凌特 - Linear 开关
页数 文件大小 规格书
116页 1621K
描述
LTC3880 - Dual Output PolyPhase Step-Down DC/DC Controller with Digital Power System Management; Package: QFN; Pins: 40; Temperature Range: -40°C to 85°C

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中文翻译

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LTC3880EUJ-1#TRPBF 技术参数

是否Rohs认证：符合生命周期：Transferred
零件包装代码：QFN包装说明：HVQCCN,
针数：40Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：6.93Is Samacsys：N
其他特性：ALSO OPERATES IN ADJUSTABLE MODE FROM 0.5 TO 5.5 V, ALSO OPERATES AS LDO REGULATOR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：24 V最小输入电压：4.5 V
标称输入电压：12 VJESD-30 代码：S-PQCC-N40
长度：6 mm功能数量：1
端子数量：40最高工作温度：85 °C
最低工作温度：最大输出电流：0.1 A
标称输出电压：3.3 V封装主体材料：PLASTIC/EPOXY
封装代码：HVQCCN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）：NOT SPECIFIED
认证状态：Not Qualified座面最大高度：0.8 mm
表面贴装：YES切换器配置：BOOST
最大切换频率：1000 kHz技术：CMOS
温度等级：OTHER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：NOT SPECIFIED宽度：6 mm
Base Number Matches：1

LTC3880EUJ-1#TRPBF 数据手册

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LTC3880/LTC3880-1  
Dual Output PolyPhase  
Step-Down DC/DC Controller with  
Digital Power System Management  
DescripTion  
FeaTures  
2
The LTC®3880/LTC3880-1 are dual, PolyPhase DC/DC  
n
PMBus/I C Compliant Serial Interface  
n
Telemetry Read Back includes V , I , V , I  
,
synchronous step-down switching regulator controllers  
IN IN OUT OUT  
2
Temperature and Faults  
with an I C-based PMBus compliant serial interface.  
n
Programmable Voltage, Current Limit, Digital  
Soft-Start/Stop, Sequencing, Margining, OV/UV  
and Frequency Synchronization (250kHz to 1MHz)  
0ꢀ5ꢁ Output Voltage Accuracy Over Temperature  
The controllers use a constant frequency, current mode  
architecture that is supported by LTpowerPlay™ software  
development tool with graphical user interface (GUI).  
n
n
n
n
Switching frequency, output voltage, and device address  
canbeprogrammedusingexternalconfigurationresistors.  
Parameters can be set via the digital interface or stored in  
EEPROM. Voltage, current, internal/external temperature  
andfaultstatuscanbereadbackthroughthebusinterface.  
The LTC3880 incorporates a 5V linear regulator while the  
LTC3880-1usesanexternal5Vsupplyforminimumpower  
loss. See comparison to LTC3887 below.  
Integrated 16-Bit ADC  
Internal EEPROM with ECC and Fault Logging  
Integrated Powerful N-Channel MOSFET Gate Drivers  
Power Conversion  
n
Wide V Range: 4.5V to 24V  
IN  
n
n
n
n
n
V
Range: 0.5V to 5.4V (4V on V  
)
OUT  
OUT0  
Analog Current Mode Control Loop  
Supports Power-Up Into Pre-Biased Load  
V
Max  
Fast ADC Mode  
for 1 Parameter  
OUT  
Accurate PolyPhase® Current Sharing for Up to 6 Phases  
Available in a 40-Pin (6mm × 6mm) QFN Package  
Start-Up Time  
V
OUT0/1  
LTC3887/LTC3887-1  
LTC3880/LTC3880-1  
35ms  
5.5V/5.5V  
4V/5.4V  
Yes  
No  
120ms  
applicaTions  
L, LT, LTC, LTM, PolyPhase, Burst Mode, µModule, Linear Technology and the Linear logo  
are registered trademarks and No R and LTpowerPlay are trademarks of Analog Devices,  
n
High Current Distributed Power Systems  
Telecom, Datacom and Storage Systems  
Intelligent Energy Efficient Power Regulation  
SENSE  
Inc. All other trademarks are the property of their respective owners. Protected by U.S. Patents  
including 5481178, 5705919, 5929620, 6144194, 6177787, 6580258, 5408150, 7420359.  
Licensed under U.S. Patent 7000125 and other related patents worldwide.  
n
n
Typical applicaTion  
V
IN  
1µF  
10µF  
Efficiency and Power Loss  
vs Load Current  
V
INTV  
IN  
CC  
TG0  
TG1  
0.1µF  
0.1µF  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
6
5
4
3
2
1
0
LTC3880  
V
V
= 12V  
IN  
OUT  
BOOST0 BOOST1  
= 1.8V  
1.0µH  
0.56µH  
V
1.8V  
20A  
V
OUT1  
OUT0  
3.3V  
15A  
SW0  
BG0  
SW1  
BG1  
2.15k  
0.2µF  
1.74k  
0.2µF  
PGND  
+
–
+
SENSE1  
–
I
I
V
V
I
I
SENSEO  
+
SENSEO  
SENSE1  
530µF  
+
–
V
SENSEO  
SENSEO  
TSNS0  
SENSE1  
TSNS1  
+
10nF  
10nF  
530µF  
2200pF  
2200pF  
6.04k  
4.99k  
I
I
TH1  
THO  
0.01  
0.1  
1
10  
100  
SDA  
SCL  
ALERT  
RUN0  
RUN1  
GPIO0  
GPIO1  
FAULT MANAGEMENT  
LOAD CURRENT (A)  
SOME DETAILS OMITTED  
FOR CLARITY  
PMBus  
INTERFACE  
3880 TA01b  
V
V
DD33  
DD25  
SHARE_CLK  
SYNC  
WP  
1µF  
1µF  
TO/FROM  
OTHER LTC DEVICES  
WRITE PROTECT  
SGND  
3880 TA01a  
3880fg  
1
For more information www.linear.com/LTC3880  
1234567...116

中文翻译

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LTC3880EUJ-1#TRPBF 替代型号

型号 品牌 替代类型 描述 数据表
LTC3880EUJ-1#PBF Linear

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