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LTC3564EDCB#TRMPBF

更新时间： 2024-11-11 20:09:43
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
20页 262K
描述
LTC3564 - 2.25MHz, 1.25A Synchronous Step-Down Regulator; Package: DFN; Pins: 6; Temperature Range: -40°C to 85°C

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中文翻译

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LTC3564EDCB#TRMPBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：DFN包装说明：HVSON,
针数：6Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：2.84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-N6JESD-609代码：e3
长度：3 mm湿度敏感等级：1
功能数量：1端子数量：6
最高工作温度：125 °C最低工作温度：
最大输出电流：2.5 A封装主体材料：PLASTIC/EPOXY
封装代码：HVSON封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：250
认证状态：Not Qualified座面最大高度：0.8 mm
表面贴装：YES切换器配置：BUCK
最大切换频率：2700 kHz温度等级：OTHER
端子面层：Matte Tin (Sn)端子形式：NO LEAD
端子节距：0.5 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：2 mm
Base Number Matches：1

LTC3564EDCB#TRMPBF 数据手册

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LTC3564  
2.25MHz, 1.25A  
Synchronous  
Step-Down Regulator  
U
DESCRIPTIO  
FEATURES  
■
High Efficiency: Up to 96%  
The LTC®3564 is a high efficiency monolithic synchro-  
nous buck regulator using a constant frequency, current  
mode architecture. Supply current during operation is  
only 20μA, dropping to ≤1μA in shutdown. The 2.5V to  
5.5VinputvoltagerangemakestheLTC3564ideallysuited  
for single Li-Ion battery-powered or 3.3V to 5V input  
voltage applications. 100% duty cycle provides low drop-  
out operation, extending battery life in portable systems.  
Automatic Burst Mode® operation increases efficiency at  
light loads, further extending battery runtime.  
■
Very Low Quiescent Current: Only 20μA  
■
1.25A Output Current  
■
2.5V to 5.5V Input Voltage Range  
2.25MHz Constant Frequency Operation  
No Schottky Diode Required  
■
■
■
■
■
■
Low Dropout Operation: 100% Duty Cycle  
0.6V Reference Allows Low Output Voltages  
Shutdown Mode Draws ≤1μA Supply Current  
Current Mode Operation for Excellent Line and  
Load Transient Response  
Switching frequency is internally set at 2.25MHz, allowing  
the use of small surface mount inductors and capacitors.  
■
■
Overtemperature Protected  
Low Profile (1mm) ThinSOTTM and  
6-Lead (2mm × 3mm) DFN Packages  
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 LTC3564 is available in low  
profile (1mm) ThinSOT and 6-Lead (2mm × 3mm) DFN  
packages.  
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
Burst Mode is a registered trademark 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 5481178, 6580258, 6304066, 6498466, 6611131.  
APPLICATIO S  
■
Cellular Telephones  
Wireless and DSL Modems  
■
■
■
■
■
Digital Still Cameras  
Media Players  
Portable Instruments  
Point of Load Regulation  
U
TYPICAL APPLICATIO  
100  
90  
10  
V
= 1.8V  
OUT  
1
80  
70  
0.1  
60  
50  
1.1μH  
22pF  
V
OUT  
1.8V  
0.01  
0.001  
0.0001  
0.00001  
V
IN  
V
SW  
LTC3564  
IN  
C
IN  
40  
30  
20  
10  
0
C
22μF  
OUT  
22μF  
CER  
CER  
RUN  
GND  
V
FB  
V
V
V
= 2.7V  
= 3.6V  
= 4.2V  
IN  
IN  
IN  
634k  
316k  
0.1  
1
10  
100  
1000  
10000  
3564 TA01a  
OUTPUT CURRENT (mA)  
3564 TA01b  
3564f  
1
1234567...20

中文翻译

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