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LTC3560ES6 PDF预览

LTC3560ES6

更新时间: 2024-10-01 04:43:39
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
16页 324K
描述
2.25MHz, 800mA Synchronous Step-Down Regulator in ThinSOT

LTC3560ES6 技术参数

是否无铅:含铅是否Rohs认证:不符合
生命周期:Transferred零件包装代码:TSSOP
包装说明:VSSOP, TSOP6,.11,37针数:6
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.12
Is Samacsys:N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 数据手册

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LTC3560  
2.25MHz, 800mA  
Synchronous Step-Down  
Regulator in ThinSOT  
U
DESCRIPTIO  
FEATURES  
High Efficiency: Up to 95%  
The LTC®3560 is a high efficiency monolithic synchro-  
nous buck regulator using a constant frequency, current  
mode architecture. Supply current during operation is  
only 16µA, dropping to <1µA in shutdown. The 2.5V to  
5.5VinputvoltagerangemakestheLTC3560ideallysuited  
forsingleLi-Ion/Li-Polymerbattery-poweredapplications.  
100% duty cycle provides low dropout operation, extend-  
ing battery life in portable systems.  
Low Output Ripple (<20mVP-P): Burst Mode®  
Operation: IQ = 16µA  
2.5V to 5.5V Input Voltage Range  
2.25MHz Constant Frequency Operation  
Synchronizable to External Clock  
No Schottky Diode Required  
Stable with Ceramic Capacitors  
Low Dropout Operation: 100% Duty Cycle  
0.6V Reference Allows Low Output Voltages  
Shutdown Mode Draws <1µA Supply Current  
±2% Output Voltage Accuracy  
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  
externally 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.  
Current Mode Operation for Excellent Line and  
Load Transient Response  
Overtemperature Protected  
Low Profile (1mm) ThinSOTTM Package  
U
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 feed-  
back reference voltage. The LTC3560 is available in a low  
profile (1mm) ThinSOT package.  
, LTC, LT 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  
APPLICATIO S  
Cellular Telephones  
Wireless and DSL Modems  
Digital Still Cameras  
Media Players  
Portable Instruments  
U
TYPICAL APPLICATIO  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
1
0.1  
2.2µH  
V
IN  
V
OUT  
2.7V  
0.01  
0.001  
0.0001  
V
SW  
IN  
2.5V  
10pF  
C
TO 5.5V  
IN  
C
OUT  
LTC3560  
RUN  
10µF  
10µF  
CER  
CER  
SYNC/MODE V  
GND  
FB  
V
V
V
= 3.6V  
= 4.2V  
= 5.5V  
IN  
IN  
IN  
806k  
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  
3560f  
1

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