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LTC3406BES5-1.2#TRM PDF预览

LTC3406BES5-1.2#TRM

更新时间: 2024-02-09 11:32:40
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
12页 261K
描述
LTC3406B-1.2 - 1.5MHz, 600mA Synchronous Step-Down Regulator in ThinSOT; Package: SOT; Pins: 5; Temperature Range: -40°C to 85°C

LTC3406BES5-1.2#TRM 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,
针数:5Reach 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-G5
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:5最高工作温度:70 °C
最低工作温度:最大输出电流:1.3 A
封装主体材料:PLASTIC/EPOXY封装代码:VSSOP
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表面贴装:YES
切换器配置:BUCK最大切换频率:1800 kHz
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 mmBase Number Matches:1

LTC3406BES5-1.2#TRM 数据手册

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LTC3406B-1.2  
1.5MHz, 600mA  
Synchronous Step-Down  
Regulator in ThinSOT  
U
FEATURES  
DESCRIPTIO  
The LTC®3406B-1.2 is a high efficiency monolithic syn-  
chronous buck regulator using a constant frequency,  
current mode architecture. Supply current with no load is  
300µA dropping to <1µA in shutdown. The 2.5V to 5.5V  
inputvoltagerangemakestheLTC3406B-1.2ideallysuited  
forsingleLi-Ionbattery-poweredapplications. 100%duty  
cycle provides low dropout operation, extending battery  
lifeinportablesystems.PWMpulseskippingmodeopera-  
tion provides very low output ripple voltage for noise  
sensitive applications.  
High Efficiency: Up to 96%  
600mA Output Current at VIN = 3V  
2.5V to 5.5V Input Voltage Range  
1.5MHz Constant Frequency Operation  
No Schottky Diode Required  
Low Quiescent Current: 300µA  
Shutdown Mode Draws <1µA Supply Current  
Current Mode Operation for Excellent Line and  
Load Transient Response  
Overtemperature Protected  
Low Profile (1mm) ThinSOTTM Package  
Switching frequency is internally set at 1.5MHz, allowing  
the use of small surface mount inductors and capacitors.  
The internal synchronous switch increases efficiency and  
eliminates the need for an external Schottky diode. The  
LTC3406B-1.2isavailableinalowprofile(1mm)ThinSOT  
package.  
U
APPLICATIO S  
Cellular Telephones  
Personal Information Appliances  
Wireless and DSL Modems  
, LTC and LT are registered trademarks of Linear Technology Corporation. All other  
trademarks are the property of their respective owners. ThinSOT is a trademark of Linear  
Technology Corporation. Protected by U.S. Patents including 5481178, 6580258, 6304066,  
6127815, 6498466, 6611131.  
Digital Still Cameras  
MP3 Players  
Portable Instruments  
U
TYPICAL APPLICATIO  
Efficiency and Power Loss  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
1
High Efficiency Step-Down Converter  
2.2µH  
EFFICIENCY  
V
V
IN  
OUT  
V
SW  
LTC3406B-1.2  
RUN  
IN  
0.1  
2.7V TO 5.5V  
C
1.2V  
C
OUT  
IN  
10µF 600mA  
4.7µF  
CER  
CER  
0.01  
0.001  
0.0001  
V
OUT  
3406B12 TA01a  
GND  
POWER LOSS  
V
V
V
= 2.7V  
= 3.6V  
= 4.2V  
IN  
IN  
IN  
0.1  
1000  
1
10  
100  
LOAD CURRENT (mA)  
3406B12 TA01b  
sn3406b12 3406b12fs  
1

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