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Datasheet > LTC3525DESC6-3.3#TRM
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LTC3525DESC6-3.3#TRM

更新时间： 2024-02-16 19:16:05
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
14页 528K
描述
LTC3525D-3.3 - 400mA Micropower Synchronous Step-Up DC/DC Converter with Pass Through Mode; Package: SC70; Pins: 6; Temperature Range: -40°C to 85°C

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LTC3525DESC6-3.3#TRM 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
包装说明：PLASTIC, MO-203AB, SC-70, 6 PINReach Compliance Code：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
最大输入电压：4.5 V最小输入电压：0.5 V
标称输入电压：1.2 VJESD-30 代码：R-PDSO-G6
JESD-609代码：e0长度：2 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：0.45 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）：235认证状态：Not Qualified
座面最大高度：1 mm表面贴装：YES
切换器配置：BOOST温度等级：COMMERCIAL EXTENDED
端子面层：TIN LEAD端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：20宽度：1.25 mm
Base Number Matches：1

LTC3525DESC6-3.3#TRM 数据手册

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LTC3525-3/  
LTC3525-3.3/LTC3525-5  
400mA Micropower  
Synchronous Step-Up DC/DC  
Converter with Output Disconnect  
FEATURES  
DESCRIPTION  
The LTC®3525-3/LTC3525-3.3/LTC3525-5 are high ef-  
n
Up to 95% Efficiency  
n
Output Disconnect and Inrush Current Limit  
Fixed Output Voltages of 3V, 3.3V or 5V  
Delivers 65mA at 3V from a 1V Input  
Delivers 60mA at 3.3V from a 1V Input,  
or 140mA at 3.3V from a 1.8V Input  
Delivers 175mA at 5V from a 3V Input  
ficiency synchronous step-up DC/DC converters with  
output disconnect that can start up with an input as low  
as 1V. They offer a compact, high efficiency alternative to  
charge pumps in single cell or dual cell alkaline or Li-Ion  
applications. Only three small external components are  
required. The LTC3525 is offered in fixed output voltages  
of 3V, 3.3V or 5V.  
n
n
n
n
n
n
n
n
n
n
n
n
Burst Mode® Operation: I = 7µA  
Q
Only Three External Components  
The device includes a 0.5Ω N-channel MOSFET switch  
and a 0.8Ω P-channel synchronous rectifier. Peak switch  
current ranges from 150mA to 400mA, depending on  
load, providing enhanced efficiency. Quiescent current  
is an ultralow 7µA, maximizing battery life in portable  
applications.  
V > V  
Operation  
IN  
OUT  
<1µA Shutdown Current  
Antiringing Control  
Short-Circuit and Overtemperature Protection  
Very Low Profile of 1mm  
Tiny 6-Pin SC70 Package  
Other features include <1µA shutdown current, anti-  
ringing control and thermal shutdown. The LTC3525 is  
available in a tiny 6-pin SC70 package.  
L, LT, LTC, LTM, Burst Mode, Linear Technology and the Linear logo are registered trademarks  
and ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the  
property of their respective owners. Patents pending.  
APPLICATIONS  
n
MP3 Players  
Portable Instruments  
Glucose Meters  
Digital Cameras  
n
n
n
TYPICAL APPLICATION  
LTC3525-3.3 Efficiency and Power  
Loss vs Load Current  
L1*  
100  
90  
80  
70  
60  
50  
40  
30  
20  
100  
10  
10µH  
LTC3525-3.3  
EFFICIENCY  
V
IN  
V
IN  
SW  
OUT  
1V TO 1.6V  
V
OUT  
3.3V  
SHDN  
V
OFF ON  
1µF  
1
POWER LOSS  
60mA  
GND  
GND  
10µF  
0.1  
V
V
V
= 3V  
= 2.4V  
= 1.2V  
IN  
IN  
IN  
3525 TA01  
0.01  
1000  
0.01  
0.1  
1
10  
100  
*MURATA LQH32CN100K53  
LOAD (mA)  
LT3525 • TA02  
3525fb  
1
1234567...14

中文翻译

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