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LTC3416EFE#TR

更新时间： 2024-09-23 21:13:47
品牌 Logo 应用领域
凌特 - Linear 开关光电二极管
页数 文件大小 规格书
16页 193K
描述
LTC3416 - 4A, 4MHz, Monolithic Synchronous Step-Down Regulator with Tracking; Package: TSSOP; Pins: 20; Temperature Range: -40°C to 85°C

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中文翻译

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LTC3416EFE#TR 技术参数

是否Rohs认证： 不符合生命周期：Transferred
零件包装代码：TSSOP包装说明：HTSSOP, TSSOP20,.25
针数：20Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.18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：e0
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：8 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）：235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：OTHER端子面层：Tin/Lead (Sn/Pb)
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：20
宽度：4.4 mmBase Number Matches：1

LTC3416EFE#TR 数据手册

 浏览型号LTC3416EFE#TR的Datasheet PDF文件第2页浏览型号LTC3416EFE#TR的Datasheet PDF文件第3页浏览型号LTC3416EFE#TR的Datasheet PDF文件第4页浏览型号LTC3416EFE#TR的Datasheet PDF文件第5页浏览型号LTC3416EFE#TR的Datasheet PDF文件第6页浏览型号LTC3416EFE#TR的Datasheet PDF文件第7页 
LTC3416  
4A, 4MHz, Monolithic  
Synchronous Step-Down  
Regulator with Tracking  
U
FEATURES  
DESCRIPTIO  
The LTC®3416 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 of on-resistance increases effi-  
ciency and eliminates the need for an external Schottky  
diode. Switching frequency is set by an external resistor.  
100% duty cycle provides low dropout operation extend-  
ingbatterylifeinportablesystems. OPTI-LOOP® compen-  
sation 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 RDS(ON) Internal Switch: 67mΩ  
■
Tracking Input to Provide Easy Supply Sequencing  
■
Programmable Frequency: 300kHz to 4MHz  
■
2.25V to 5.5V Input Voltage Range  
■
±2% Output Voltage Accuracy  
■
0.8V Reference Allows Low Output Voltage  
■
Low Dropout Operation: 100% Duty Cycle  
■
Power Good Output Voltage Monitor  
Overtemperature Protected  
■
■
Available in a 20-Lead Thermally Enhanced  
TSSOP Package  
TheLTC3416operatesinforcedcontinuousoperationand  
provides tracking of another power supply rail. Forced  
continuousoperationreducesnoiseandRFinterferenceand  
provides excellent transient response. Fault protection is  
provided by an overcurrent comparator, and adjustable  
compensationallowsthetransientresponsetobeoptimized  
over a wide range of loads and output capacitors.  
U
APPLICATIO S  
■
Portable Instruments  
■
Notebook Computers  
■
Distributed Power Systems  
■
Battery-Powered Equipment  
■
POL Board Power  
, LTC and LT are registered trademarks of Linear Technology Corporation. All other  
trademarks are the property of their respective owners. OPTI-LOOP is a registered trade-  
mark of Linear Technology Corporation. Protected by U.S. Patents including 5481178,  
6580258, 6304066, 6127815, 6498466, 6611131, 6724174.  
U
TYPICAL APPLICATIO  
V
OUT2  
I/O VOLTAGE  
2.5V  
100  
90  
V
IN  
2.5V TO 5.5V  
V
= 2.5V  
22µF  
IN  
80  
70  
SVIN PVIN  
R
PGOOD  
SW  
0.2µH  
T
V
= 3.3V  
V
1.8V  
4A  
OUT1  
IN  
127k  
60  
50  
LTC3416  
RUN/SS PGND  
SGND  
100µF  
×2  
40  
30  
20  
10  
0
I
TH  
TRACK  
V
FB  
7.5k  
820pF  
255k  
V
= 1.8V  
OUT  
f = 2MHz  
255k  
200k  
0.01  
0.10  
1
10  
3416 F01a  
LOAD CURRENT (A)  
200k  
3416 G09  
Figure 1a. 2.5V/4A Step-Down Regulator with Tracking  
Figure 1b. Efficiency vs Load Current  
3416fa  
1
1234567...16

中文翻译

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