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LTC3406AIS5-TRPBF PDF预览

LTC3406AIS5-TRPBF

更新时间: 2024-02-03 12:06:48
品牌 Logo 应用领域
凌特 - Linear 稳压器
页数 文件大小 规格书
16页 295K
描述
1.5MHz, 600mA Synchronous Step-Down Regulator in ThinSOT

LTC3406AIS5-TRPBF 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Active包装说明:VSSOP,
针数:5Reach Compliance Code:compliant
风险等级:5.16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:2.5 V标称输入电压:3.6 V
JESD-30 代码:R-PDSO-G5JESD-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:5
最高工作温度:125 °C最低工作温度:-40 °C
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):260
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:AUTOMOTIVE
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:30宽度:1.625 mm
Base Number Matches:1

LTC3406AIS5-TRPBF 数据手册

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LTC3406A  
1.5MHz, 600mA  
Synchronous Step-Down  
Regulator in ThinSOT  
DESCRIPTION  
The LTC®3406A is a high efficiency monolithic synchro-  
nous buck regulator using a constant frequency, current  
modearchitecture.Supplycurrentduringoperationisonly  
20μA, dropping to ≤1μA in shutdown. The 2.5V to 5.5V  
input voltage range makes the LTC3406A ideally suited  
forsingleLi-Ionbattery-poweredapplications. 100%duty  
cycle provides low dropout operation, extending battery  
runtime portable systems. Automatic Burst Mode opera-  
tion increases efficiency at light loads, further extending  
battery runtime.  
FEATURES  
High Efficiency: Up to 96%  
Very Low Quiescent Current: Only 20µA  
Low Output Ripple Voltage During Burst Mode®  
Operation  
600mA Output Current  
2.5V to 5.5V Input Voltage Range  
1.5MHz Constant Frequency Operation  
No Schottky Diode Required  
Low Dropout Operation: 100% Duty Cycle  
2% 0.6V Reference  
Shutdown Mode Draw 1µA Supply Current  
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.  
Low output voltages are easily supported with the 0.6V  
feedback reference voltage. The LTC3406A is available in  
a low profile (1mm) ThinSOT package.  
Internal Soft-Start Limits Inrush Current  
Current Mode Operation for Excellent Line and  
Load Transient Response  
Overtemperature Protected  
Low Profile (1mm) ThinSOTTM Package  
APPLICATIONS  
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
ThinSOT is a registered trademark of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
Protected by U.S. Patents including 5481178, 6580258.  
Cellular Telephones  
Wireless and DSL Modems  
Digital Still Cameras  
Media Players  
Portable Instruments  
Point of Load Regulation  
TYPICAL APPLICATION  
Efficiency vs Load Current  
100  
90  
80  
70  
60  
50  
40  
30  
20  
2.2μH  
V
OUT  
V
IN  
1.8V  
V
SW  
LTC3406A  
IN  
22pF  
600mA  
4.7μF  
CER  
10μF  
CER  
RUN  
GND  
V
FB  
619k  
309k  
3406A TA01  
V
V
V
= 2.7V  
= 3.6V  
= 4.2V  
IN  
IN  
IN  
10  
V
= 1.8V  
1
OUT  
0
0.1  
10  
100  
1000  
OUTPUT CURRENT (mA)  
3406A TA01b  
3406afa  
1

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