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LTC3414EFE#PBF

更新时间： 2024-11-09 13:01:11
品牌 Logo 应用领域
凌特 - Linear 稳压器
页数 文件大小 规格书
16页 447K
描述
LTC3414 - 4A, 4MHz, Monolithic Synchronous Step-Down Regulator; Package: TSSOP; Pins: 20; Temperature Range: -40°C to 85°C

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中文翻译

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LTC3414EFE#PBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：TSSOP包装说明：HTSSOP, TSSOP20,.25
针数：20Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：3.35模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制模式：CURRENT-MODE最大输入电压：5.5 V
最小输入电压：2.25 V标称输入电压：3.3 V
JESD-30 代码：R-PDSO-G20JESD-609代码：e3
长度：6.5 mm湿度敏感等级：1
功能数量：1端子数量：20
最高工作温度：85 °C最低工作温度：
最大输出电流：9.5 A封装主体材料：PLASTIC/EPOXY
封装代码：HTSSOP封装等效代码：TSSOP20,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：1.2 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：4000 kHz技术：CMOS
温度等级：COMMERCIAL EXTENDED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：4.4 mmBase Number Matches：1

LTC3414EFE#PBF 数据手册

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LTC3414  
4A, 4MHz, Monolithic  
Synchronous Step-Down Regulator  
U
FEATURES  
DESCRIPTIO  
The LTC®3414 is a high efficiency monolithic synchro-  
nous, step-down DC/DC converter utilizing a constant  
frequency, current mode architecture. It operates from an  
input voltage range of 2.25V to 5.5V and provides a  
regulated output voltage from 0.8V to 5V while delivering  
up to 4A of output current. The internal synchronous  
power switch with 67mΩ on-resistance increases effi-  
ciency and eliminates the need for an external Schottky  
diode. Switchingfrequencyissetbyanexternalresistoror  
can be synchronized to an external clock. 100% duty cycle  
provides low dropout operation extending battery life in  
portable systems. OPTI-LOOP® compensation allows the  
transient response to be optimized over a wide range of  
loads and output capacitors.  
■
High Efficiency: Up to 95%  
■
4A Output Current  
■
Low Quiescent Current: 64µA  
Low RDS(ON) Internal Switch: 67mΩ  
■
■
Programmable Frequency: 300KHz to 4MHz  
2.25V to 5.5V Input Voltage Range  
±2% Output Voltage Accuracy  
0.8V Reference Allows Low Output Voltage  
Selectable Forced Continuous/Burst Mode®operation  
with Adjustable Burst Clamp  
■
■
■
■
■
■
■
■
■
Synchronizable Switching Frequency  
Low Dropout Operation: 100% Duty Cycle  
Power Good Output Voltage Monitor  
Overtemperature Protected  
Available in 20-LUead Exposed TSSOP Package  
The LTC3414 can be configured for either Burst Mode  
operationorforcedcontinuousoperation.Forcedcontinu-  
ous operation reduces noise and RF interference while  
Burst Mode operation provides high efficiency by reduc-  
ing gate charge losses at light loads. In Burst Mode  
operation, external control of the burst clamp level allows  
the output voltage ripple to be adjusted according to the  
requirements of the application.  
APPLICATIO S  
■
Point-of-Load Regulation  
■
Notebook Computers  
Portable Instruments  
■
■
Distributed Power Systems  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
Burst Mode and OPTI-LOOP are registered trademarks of Linear Technology Corporation.  
U
TYPICAL APPLICATIO  
V
IN  
2.7V TO 5.5V  
22µF  
LTC3414 Efficiency Curve  
100  
Burst Mode OPERATION  
95  
PV SV  
IN  
IN  
V
OUT  
2.5V AT 4A  
RT  
2.2M  
PGOOD  
90  
85  
0.47µH  
LTC3414  
294k  
SW  
FORCED  
80  
75  
70  
65  
60  
55  
50  
C
OUT  
*
CONTINUOUS  
RUN/SS  
PGND  
1000pF  
I
SGND  
TH  
SYNC/MODE  
R *  
ITH  
V
FB  
470pF  
110k  
392k  
75k  
3414 F01a  
0.001  
0.01  
0.1  
1.0  
10  
LOAD CURRENT (A)  
*BURST MODE OPERATION: C  
OUT  
= 470µF SANYO POSCAP 4TPB470M, R = 20k  
ITH  
3414 F01b  
FORCED CONTINUOUS: C  
OUT  
= (2) 100µF TDKC4532X5ROJ107M, R = 12.1k  
ITH  
Figure 1. 2.5V/4A Step-Down Regulator  
3414f  
1
1234567...16

中文翻译

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LTC3414EFE#PBF 替代型号

型号 品牌 替代类型 描述 数据表
LTC3414EFE#TRPBF Linear

类似代替

 LTC3414 - 4A, 4MHz, Monolithic Synchronous Step-Down Regulator; Package: TSSOP; Pins: 20;
LTC3414IFE#TRPBF Linear

类似代替

 LTC3414 - 4A, 4MHz, Monolithic Synchronous Step-Down Regulator; Package: TSSOP; Pins: 20;

与LTC3414EFE#PBF相关器件

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LTC3414EFE#TRPBF Linear

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 		LTC3414 - 4A, 4MHz, Monolithic Synchronous Step-Down Regulator; Package: TSSOP; Pins: 20;
LTC3414IFE Linear

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 		4A, 4MHz, Monolithic Synchronous Step-Down Regulator
LTC3414IFE#PBF Linear

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 		LTC3414 - 4A, 4MHz, Monolithic Synchronous Step-Down Regulator; Package: TSSOP; Pins: 20;
LTC3414IFE#TR Linear

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 		LTC3414 - 4A, 4MHz, Monolithic Synchronous Step-Down Regulator; Package: TSSOP; Pins: 20;
LTC3414IFE#TRPBF Linear

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 		LTC3414 - 4A, 4MHz, Monolithic Synchronous Step-Down Regulator; Package: TSSOP; Pins: 20;
LTC3414MPFE Linear

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 		4A, 4MHz, Monolithic Synchronous Step-Down Regulator
LTC3414MPFE#PBF Linear

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 		LTC3414 - 4A, 4MHz, Monolithic Synchronous Step-Down Regulator; Package: TSSOP; Pins: 20;
LTC3414MPFE#TR Linear

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 		LTC3414 - 4A, 4MHz, Monolithic Synchronous Step-Down Regulator; Package: TSSOP; Pins: 20;
LTC3414MPFE#TRPBF Linear

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 		LTC3414 - 4A, 4MHz, Monolithic Synchronous Step-Down Regulator; Package: TSSOP; Pins: 20;
LTC3415 Linear Systems

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 		24V, 15A Monolithic Step Down Regulator with Differential Output Sensing

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