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LTC3561AIDD#PBF PDF预览

LTC3561AIDD#PBF

更新时间： 2024-11-11 19:42:59
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 355K
描述
LTC3561A - 1A, 4MHz, Synchronous Step-Down DC/DC Converter; Package: DFN; Pins: 8; Temperature Range: -40°C to 85°C

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中文翻译

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LTC3561AIDD#PBF 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, SOLCC8,.12,20
针数：8Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：7.59其他特性：ALSO OPERATES IN ADJUSTABLE MODE FROM 0.8 TO 5V
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 VJESD-30 代码：S-PDSO-N8
JESD-609代码：e3长度：3 mm
湿度敏感等级：1功能数量：1
端子数量：8最高工作温度：125 °C
最低工作温度：-40 °C最大输出电流：2.5 A
封装主体材料：PLASTIC/EPOXY封装代码：HVSON
封装等效代码：SOLCC8,.12,20封装形状：SQUARE
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
子类别：Switching Regulator or Controllers表面贴装：YES
切换器配置：BUCK最大切换频率：4000 kHz
技术：CMOS温度等级：AUTOMOTIVE
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：3 mm
Base Number Matches：1

LTC3561AIDD#PBF 数据手册

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LTC3561A  
1A, 4MHz, Synchronous  
Step-Down DC/DC Converter  
FEATURES  
DESCRIPTION  
The LTC®3561A is a constant frequency, synchronous  
step-down DC/DC converter. Intended for medium power  
applications, it operates from a 2.5V to 5.5V input voltage  
range and has a user configurable operating frequency up  
to 4MHz, allowing the use of tiny, low cost capacitors and  
inductors 1mm or less in height. The output voltage is  
adjustable from 0.8V to 5.5V. Internal synchronous power  
switches provide high efficiency. The LTC3561A’s current  
mode architecture and external compensation allow the  
transient response to be optimized over a wide range of  
loads and output capacitors.  
■
Uses Tiny Capacitors and Inductor  
■
High Frequency Operation: Up to 4MHz  
■
Low R  
Internal Switches: 0.15Ω  
DS(ON)  
■
■
■
High Efficiency: Up to 96%  
Stable with Ceramic Capacitors  
Current Mode Operation for Excellent Line  
and Load Transient Response  
Short-Circuit Protected  
Low Dropout Operation: 100% Duty Cycle  
■
■
■
■
■
■
■
Low Shutdown Current: I ≤ 1µA  
Q
Low Quiescent Current: 330µA  
Output Voltages from 0.8V to 5V  
To further maximize battery life, the P-channel MOSFET  
is turned on continuously in dropout (100% duty cycle).  
In shutdown, the device draws <1µA.  
V : 2.5V to 5.5V  
IN  
Small 8-Lead 3mm × 3mm DFN Package  
L, LT, LTC, LTM, Linear Technology, the Linear logo and OPTI-LOOP are registered trademarks  
and Hot Swap and ThinSOT are trademarks of Linear Technology Corporation. All other  
trademarks are the property of their respective owners. Protected by U.S. Patents, including  
5481178, 6580258, 6498466, 6611131.  
APPLICATIONS  
■
Notebook Computers  
■
Digital Cameras  
■
Cellular Phones  
Handheld Instruments  
■
■
Board Mounted Power Supplies  
TYPICAL APPLICATION  
Efficiency and Power Loss vs Output Current  
Step-Down 2.5V/1A Regulator  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
1
V
IN  
PV  
SV  
IN  
2.2µH  
22pF  
V
2.5V  
1A  
2.5V TO 5.5V  
OUT  
SW  
IN  
10µF  
0.1  
22µF  
LTC3561A  
I
TH  
249k  
SHDN/R  
V
FB  
T
16.9k  
680pF  
0.01  
SGND  
PGND  
549k  
118k  
V
O
= 2.5V  
OUT  
f
= 1MHz  
0.001  
3561a TA01a  
V
V
V
= 2.7V  
= 3.6V  
= 4.2V  
IN  
IN  
IN  
0.0001  
10000  
1
10  
100  
1000  
OUTPUT CURRENT (mA)  
3561A TA01b  
3561afa  
1
For more information www.linear.com/LTC3561A  
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中文翻译

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LTC3561AIDD#PBF 替代型号

型号 品牌 替代类型 描述 数据表
LTC3561AEDD#PBF Linear

类似代替

 LTC3561A - 1A, 4MHz, Synchronous Step-Down DC/DC Converter; Package: DFN; Pins: 8; Tempera
LTC3561AIDD#TRPBF Linear

功能相似

 LTC3561A - 1A, 4MHz, Synchronous Step-Down DC/DC Converter; Package: DFN; Pins: 8; Tempera

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