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LTC3414MPFE#TRPBF

更新时间： 2024-11-09 13:09:51
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: -55°C to 125°C

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LTC3414MPFE#TRPBF 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：5.11Is Samacsys：N
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 VJESD-30 代码：R-PDSO-G20
JESD-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：125 °C
最低工作温度：-55 °C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：MILITARY
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 mm
Base Number Matches：1

LTC3414MPFE#TRPBF 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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LTC3414MPFE#TRPBF 替代型号

型号 品牌 替代类型 描述 数据表
LTC3414MPFE#PBF Linear

完全替代

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

完全替代

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

类似代替

 4A, 4MHz, Monolithic Synchronous Step-Down Regulator

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