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LTC3405AES6-1.8#TRPBF PDF预览

LTC3405AES6-1.8#TRPBF

更新时间： 2024-01-24 22:46:25
品牌 Logo 应用领域
凌特 - Linear 稳压器
页数 文件大小 规格书
16页 228K
描述
LTC3405A-1.8 - 1.8V, 1.5MHz, 300mA Synchronous Step-Down Regulators in ThinSOT; Package: SOT; Pins: 6; Temperature Range: -40°C to 85°C

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LTC3405AES6-1.8#TRPBF 技术参数

是否Rohs认证： 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：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：6.97模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制模式：CURRENT-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：5.5 V最小输入电压：2.5 V
标称输入电压：3.6 VJESD-30 代码：R-PDSO-G6
JESD-609代码：e3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：0.63 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）：250
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：1800 kHz
技术：CMOS温度等级：COMMERCIAL
端子面层：Matte Tin (Sn)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：NOT SPECIFIED宽度：1.625 mm
Base Number Matches：1

LTC3405AES6-1.8#TRPBF 数据手册

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LTC3405A-1.5/LTC3405A-1.8  
1.5V, 1.8V, 1.5MHz, 300mA  
Synchronous Step-Down  
Regulators in ThinSOT  
U
FEATURES  
DESCRIPTIO  
The LTC®3405A-1.5/LTC3405A-1.8 are high efficiency  
monolithic synchronous buck regulators using a constant  
frequency, current mode architecture. Supply current  
during operation is only 20µA and drops to <1µA in  
shutdown. The2.5Vto5.5Vinputvoltagerangemakesthe  
LTC3405A-1.5/LTC3405A-1.8 ideally suited for single  
Li-Ion battery-powered applications. 100% duty cycle  
provides low dropout operation, extending battery life in  
portable systems.  
■
High Efficiency: Up to 93%  
■
Very Low Quiescent Current: Only 20µA  
During Operation  
■
300mA Output Current at VIN = 3V  
■
2.5V to 5.5V Input Voltage Range  
■
1.5MHz Constant Frequency Operation  
No Schottky Diode Required  
■
■
■
■
■
■
Low Dropout Operation: 100% Duty Cycle  
Stable with Ceramic Capacitors  
Shutdown Mode Draws <1µA Supply Current  
±3% Output Voltage Accuracy  
Current Mode Operation for Excellent Line and  
Load Transient Response  
Switching frequency is internally set at 1.5MHz, allowing  
the use of small surface mount inductors and capacitors.  
TheLTC3405A-1.5/LTC3405A-1.8arespecificallydesigned  
to work well with ceramic output capacitors, achieving  
very low output voltage ripple and a small PCB footprint.  
■
■
Overtemperature Protected  
Low Profile (1mm) ThinSOTTM Package  
U
The internal synchronous switch increases efficiency and  
eliminates the need for an external Schottky diode. The  
LTC3405A-1.5/LTC3405A-1.8areavailableinalowprofile  
(1mm) ThinSOT package.  
APPLICATIO S  
■
Cellular Telephones  
■
Personal Information Appliances  
■
Wireless and DSL Modems  
For adjustable output voltage, refer to the LTC3405A data  
sheet.  
■
Digital Still Cameras  
■
MP3 Players  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
■
Portable Instruments  
ThinSOT is a trademark of Linear Technology Corporation.  
U
TYPICAL APPLICATIO  
100  
V
= 2.7V  
IN  
90  
80  
70  
60  
50  
40  
4.7µH*  
V
V
OUT  
IN  
4
3
V
= 3.6V  
IN  
1.8V  
2.7V  
V
SW  
IN  
300mA  
C
**  
TO 5.5V  
IN  
V
IN  
= 4.2V  
LTC3405A-1.8  
RUN  
C
**  
4.7µF  
OUT  
1
6
4.7µF  
CER  
V
IN  
= 5.5V  
CER  
5
MODE  
V
OUT  
GND  
3405A1518 F01  
2
*MURATA LQH3C4R7M34  
**TAIYO YUDEN JMK212BJ475MG  
0.1  
1000  
1
10  
100  
OUTPUT CURRENT (mA)  
3405A1518 F01b  
Figure 1a. High Efficiency Step-Down Converter  
Figure 1b. Efficiency vs Load Current  
sn3405a1518 3405a1518fs  
1
1234567...16

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LTC3405AES6-1.8#TRPBF 替代型号

型号 品牌 替代类型 描述 数据表
TPS62200DBVT TI

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TPS62200DBVR TI

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 HIGH-EFFICIENCY, SOT23 STEP-DOWN, DC-DC CONVERTER

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