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LTC3560ES6#TR PDF预览

LTC3560ES6#TR

更新时间: 2024-10-01 15:38:11
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 251K
描述
LTC3560 - 2.25MHz, 800mA Synchronous Step-Down Regulator in ThinSOT; Package: SOT; Pins: 6; Temperature Range: -40°C to 85°C

LTC3560ES6#TR 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:5.14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: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:85 °C
最低工作温度:最大输出电流:2.1 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:2700 kHz
技术:CMOS温度等级:COMMERCIAL EXTENDED
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

LTC3560ES6#TR 数据手册

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LTC3560  
2.25MHz, 800mA  
Synchronous Step-Down  
Regulator in ThinSOT  
DESCRIPTION  
TheLTC®3560isahighefficiencymonolithicsynchronous  
buck regulator using a constant frequency, current mode  
architecture.Supplycurrentduringoperationisonly16μA,  
dropping to <1μA in shutdown. The 2.5V to 5.5V input  
voltage range makes the LTC3560 ideally suited for single  
Li-Ion/Li-Polymer battery-powered applications. 100%  
duty cycle provides low dropout operation, extending  
battery life in portable systems.  
FEATURES  
n
High Efficiency: Up to 95%  
Low Output Ripple (<20mV ): Burst Mode®  
n
P-P  
Operation: I = 16μA  
Q
n
2.5V to 5.5V Input Voltage Range  
n
2.25MHz Constant Frequency Operation  
n
Synchronizable to External Clock  
n
No Schottky Diode Required  
n
Stable with Ceramic Capacitors  
n
Low Dropout Operation: 100% Duty Cycle  
Switching frequency is internally set at 2.25MHz, allowing  
the use of small surface mount inductors and capacitors.  
For noise sensitive applications the LTC3560 can be ex-  
ternally synchronized from 1MHz to 3MHz. Burst Mode  
operation is inhibited during synchronization or when the  
SYNC/MODE pin is pulled high, preventing low frequency  
ripple from interfering with audio circuitry.  
n
0.6V Reference Allows Low Output Voltages  
n
Shutdown Mode Draws <1μA Supply Current  
n
2% Output Voltage Accuracy  
n
Current Mode Operation for Excellent Line and  
Load Transient Response  
Overtemperature Protected  
n
n
Low Profile (1mm) ThinSOTPackage  
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 LTC3560 is available in a  
low profile (1mm) ThinSOT package.  
APPLICATIONS  
n
Cellular Telephones  
n
Wireless and DSL Modems  
n
Digital Still Cameras  
Media Players  
L, LT, LTC, LTM and Burst Mode are registered trademarks of Linear Technology Corporation.  
ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property  
of their respective owners. Protected by U.S. Patents including 6580258, 5481178, 5994885,  
6304066, 6498466, 6611131.  
n
n
Portable Instruments  
TYPICAL APPLICATION  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
1
0.1  
2.2μH  
10pF  
V
IN  
V
OUT  
0.01  
0.001  
0.0001  
2.7V  
V
SW  
IN  
2.5V  
C
10μF  
CER  
TO 5.5V  
IN  
C
10μF  
CER  
OUT  
LTC3560  
RUN  
SYNC/MODE V  
FB  
V
V
V
= 3.6V  
= 4.2V  
= 5.5V  
IN  
IN  
IN  
806k  
GND  
255k  
3405A F01a  
0.1  
1
10  
100  
1000  
LOAD CURRENT (mA)  
3560 F01b  
Figure 1a. High Efficiency Step-Down Converter  
Figure 1b. Efficiency vs Load Current  
3560fb  
1

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