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LTC3801BES6 PDF预览

LTC3801BES6

更新时间： 2024-09-15 22:37:19
品牌 Logo 应用领域
凌特 - Linear 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数 文件大小 规格书
12页 241K
描述
Micropower Constant Frequency Step-Down DC/DC Controllers in ThinSOT

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中文翻译

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LTC3801BES6 技术参数

是否Rohs认证：不符合生命周期：Transferred
零件包装代码：SOT包装说明：VSSOP, TSOP6,.11,37
针数：6Reach Compliance Code：not_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
最大输入电压：9.8 V最小输入电压：2.4 V
标称输入电压：4.2 VJESD-30 代码：R-PDSO-G6
JESD-609代码：e0长度：2.9 mm
湿度敏感等级：1功能数量：1
端子数量：6最高工作温度：70 °C
最低工作温度：最大输出电流：1 A
封装主体材料：PLASTIC/EPOXY封装代码：VSSOP
封装等效代码：TSOP6,.11,37封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, VERY 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 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：650 kHz
技术：CMOS温度等级：COMMERCIAL
端子面层：Tin/Lead (Sn/Pb)端子形式：GULL WING
端子节距：0.95 mm端子位置：DUAL
处于峰值回流温度下的最长时间：20宽度：1.625 mm
Base Number Matches：1

LTC3801BES6 数据手册

 浏览型号LTC3801BES6的Datasheet PDF文件第2页浏览型号LTC3801BES6的Datasheet PDF文件第3页浏览型号LTC3801BES6的Datasheet PDF文件第4页浏览型号LTC3801BES6的Datasheet PDF文件第5页浏览型号LTC3801BES6的Datasheet PDF文件第6页浏览型号LTC3801BES6的Datasheet PDF文件第7页 
LTC3801/LTC3801B  
Micropower  
Constant Frequency Step-Down  
DC/DC Controllers in ThinSOT  
U
FEATURES  
DESCRIPTIO  
The LTC®3801/LTC3801B are constant frequency cur-  
rent mode step-down DC/DC controllers in a low profile  
■
High Efficiency: Up to 94%  
■
Very Low No-Load Quiescent Current:  
(1mm max) 6-lead SOT-23 (ThinSOTTM  
) package. The  
Only 16µA (LTC3801)  
■
High Output Currents Easily Achieved  
parts provide excellent AC and DC load and line regula-  
tion with ±1.5% output voltage accuracy. The LTC3801  
consumes only 195µA of quiescent current in normal  
operation, dropping to 16µA under no-load conditions.  
■
Internal Soft-Start  
■
Wide VIN Range: 2.4V to 9.8V  
■
Low Dropout: 100% Duty Cycle  
■
Constant Frequency 550kHz Operation  
TheLTC3801/LTC3801Bincorporateanundervoltagelock-  
out feature that shuts down the device when the input  
voltage falls below 2.2V. The LTC3801 automatically  
switches into Burst Mode operation at light loads which  
enhancesefficiencyatlowoutputcurrent.IntheLTC3801B,  
BurstModeoperationisdisabledforloweroutputrippleat  
light loads.  
Burst Mode® Operation for High Efficiency  
■
at Light Loads (LTC3801)  
■
Burst Mode Operation Disabled for Lower Output  
Ripple at Light Loads (LTC3801B)  
■
Output Voltage as Low as 0.8V  
■
±1.5% Voltage Reference Accuracy  
■
Current Mode Operation for Excellent Line and Load  
To further maximize the life of a battery source, the  
external P-channel MOSFET is turned on continuously in  
dropout (100% duty cycle). High switching frequency of  
550kHz allows the use of a small inductor.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
Burst Mode is a registered trademark of Linear Technology Corporation.  
ThinSOT is a trademark of Linear Technology Corporation.  
Transient Response  
■
■
Only 6µA Supply Current in Shutdown (LTC3801)  
Low Profile (1mm) SOT-23 Package  
U
APPLICATIO S  
■
1- or 2-Cell Li-Ion Battery-Powered Applications  
■
Wireless Devices  
■
Portable Computers  
Distributed Power Systems  
■
U
LTC3801 Efficiency vs Load Current*  
TYPICAL APPLICATIO  
100  
V
= 2.5V  
OUT  
V
= 3.3V  
95  
90  
85  
IN  
V
= 4.2V  
IN  
550kHz Micropower Step-Down DC/DC Controller  
220pF  
V
= 6.6V  
IN  
V
IN  
10k  
80  
75  
2.7V TO 9.8V  
I
/RUN  
LTC3801/  
V
TH  
IN  
–
10µF  
0.025Ω  
V
= 8.4V  
V
= 9.8V  
IN  
LTC3801B  
IN  
70  
65  
60  
55  
50  
GND  
SENSE  
V
PGATE  
FB  
402k  
4.7µH  
V
OUT  
866k  
2.5V  
2A  
+
0.1  
1
10  
100  
1000 10000  
47µF  
LOAD CURRENT (mA)  
3801 TA02  
3801 TA01  
*SEE NO-LOAD IQ vs INPUT VOLTAGE ON THE LAST PAGE OF THIS DATA SHEET  
3801f  
1
1234567...12

中文翻译

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与LTC3801BES6相关器件

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LTC3801BES6#PBF Linear

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 		IC 1 A SWITCHING CONTROLLER, 650 kHz SWITCHING FREQ-MAX, PDSO6, MO-193, PLASTIC, TSOT-23,
LTC3801BES6#TR Linear

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 		LTC3801 - Micropower Constant Frequency Step-Down DC/DC Controllers in ThinSOT; Package: S
LTC3801BES6#TRM Linear

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LTC3801BES6#TRMPBF Linear

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 		LTC3801 - Micropower Constant Frequency Step-Down DC/DC Controllers in ThinSOT; Package: S
LTC3801BES6#TRPBF Linear

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 		LTC3801 - Micropower Constant Frequency Step-Down DC/DC Controllers in ThinSOT; Package: S
LTC3801ES6 Linear

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 		Micropower Constant Frequency Step-Down DC/DC Controllers in ThinSOT
LTC3801ES6#TR Linear

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 		LTC3801 - Micropower Constant Frequency Step-Down DC/DC Controllers in ThinSOT; Package: S
LTC3801ES6#TRM Linear

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 		暂无描述
LTC3801ES6#TRPBF Linear

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 		LTC3801 - Micropower Constant Frequency Step-Down DC/DC Controllers in ThinSOT; Package: S
LTC3802 Linear

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 		Dual 550kHz Synchronous 2-Phase DC/DC Controller with Programmable Up/Down Tracking

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