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LTC3716EG#TRPBF

更新时间： 2024-11-11 13:09:47
品牌 Logo 应用领域
凌特 - Linear 稳压器开关
页数 文件大小 规格书
28页 440K
描述
LTC3716 - 2-Phase, 5-Bit VID, Current Mode, High Efficiency, Synchronous Step-Down Switching Regulator; Package: SSOP; Pins: 24; Temperature Range: -40°C to 85°C

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中文翻译

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LTC3716EG#TRPBF 技术参数

是否Rohs认证：符合生命周期：Transferred
零件包装代码：SSOP包装说明：SSOP,
针数：24Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.16Is Samacsys：N
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：CURRENT-MODE
控制技术：PHASE-SHIFT CONTROL最大输入电压：30 V
最小输入电压：3.6 V标称输入电压：15 V
JESD-30 代码：R-PDSO-G36JESD-609代码：e3
长度：12.8 mm湿度敏感等级：1
功能数量：1端子数量：36
最高工作温度：85 °C最低工作温度：-40 °C
最大输出电流：3 A封装主体材料：PLASTIC/EPOXY
封装代码：SSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, SHRINK PITCH峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：2 mm
表面贴装：YES切换器配置：PHASE-SHIFT
最大切换频率：360 kHz温度等级：INDUSTRIAL
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：30宽度：5.3 mm
Base Number Matches：1

LTC3716EG#TRPBF 数据手册

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LTC3716  
2-Phase, 5-Bit VID,  
Current Mode, High Efficiency,  
Synchronous Step-Down  
Switching Regulator  
U
FEATURES  
DESCRIPTIO  
The LTC®3716 is a 2-phase, VID programmable, synchro-  
nous step-down switching regulator controller that drives  
twoN-channelexternalpowerMOSFETstagesinafixedfre-  
quency architecture. The 2-phase controller drives its two  
output stages out of phase at frequencies up to 300kHz to  
minimize the RMS ripple currents in both input and output  
capacitors.The2-phasetechniqueeffectivelymultipliesthe  
fundamental frequency by two, improving transient re-  
sponse while operating each channel at an optimum fre-  
quency for efficiency. Thermal design is also simplified.  
■
Output Stages Operate Antiphase Reducing Input  
and Output Capacitance Requirements and Power  
Supply Induced Noise  
■
Dual Input Supply Capability for Load Sharing  
■
5-Bit Mobile VID Code: VOUT = 0.6V to 1.75V  
■
±1% Output Voltage Accuracy  
■
True Remote Sensing Differential Amplifier  
■
Power Good Output Voltage Monitor  
Supports Active Voltage Positioning  
■
■
Current Mode Control Ensures Current Sharing  
OPTI-LOOPTM Compensation Minimizes COUT  
■
An operating mode select pin (FCB) can be used to regu-  
■
Three Operational Modes: PWM, Burst and Cycle Skip  
Programmable Fixed Frequency: 150kHz to 300kHz  
Wide VIN Range: 4V to 36V Operation  
Adjustable Soft-Start Current Ramping  
Internal Current Foldback and Short-Circuit Shutdown  
Overvoltage Soft Latch Eliminates Nuisance Trips  
late a secondary winding or select among three modes  
includingBurstModeTM operationforhighestefficiency.An  
internaldifferentialamplifierprovidestrueremotesensing  
of the regulated supply’s positive and negative output ter-  
minals as required in high current applications.  
■
■
■
■
■
■
The RUN/SS pin provides soft-start and optional timed,  
short-circuit shutdown. Current foldback limits MOSFET  
dissipation during short-circuit conditions when the  
overcurrentlatchoffisdisabled.OPTI-LOOPcompensation  
allows the transient response to be optimized for a wide  
range of output capacitors and ESR values.  
Available in 36-LUead Narrow SSOP Package  
APPLICATIO S  
■
Mobile Computer CPU Supply  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
OPTI-LOOP and Burst Mode are trademarks of Linear Technology Corporation.  
U
TYPICAL APPLICATIO  
V
IN  
5V TO 28V  
10µF  
35V  
×4  
0.1µF  
V
IN  
FCB  
TG1  
BOOST1  
SW1  
S
0.002Ω  
2
RUN/SS  
1
0.47µF  
220pF  
1µH  
3.3k  
S
3
4
LTC3716  
D1  
I
TH  
BG1  
SGND  
PGND  
+
SENSE1  
SENSE1  
PGOOD  
–
5 VID BITS VID0–VID4  
TG2  
BOOST2  
SW2  
V
0.002Ω  
OUT  
1
2
EAIN  
0.47µF  
0.6V TO 1.75V  
40A  
1µH  
ATTENOUT  
ATTENIN  
3
4
D2  
BG2  
+
V
V
V
INTV  
DIFFOUT  
CC  
+
C
OUT  
+
–
SENSE2  
SENSE2  
OS  
1000µF  
4V  
10µF  
+
–
OS  
×2  
3716 F01  
Figure 1. High Current Dual Phase Step-Down Converter  
1
1234567...28

中文翻译

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LTC3716EG#TRPBF 替代型号

型号 品牌 替代类型 描述 数据表
LTC3716EG#PBF Linear

类似代替

 LTC3716 - 2-Phase, 5-Bit VID, Current Mode, High Efficiency, Synchronous Step-Down Switchi

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