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LTC3553EUD#TRPBF PDF预览

LTC3553EUD#TRPBF

更新时间： 2024-09-24 21:17:31
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
36页 947K
描述
LTC3553 - Micropower USB Power Manager With Li-Ion Charger, LDO and Buck Regulator; Package: QFN; Pins: 20; Temperature Range: -40°C to 85°C

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中文翻译

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LTC3553EUD#TRPBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：QFN包装说明：HVQCCN, LCC20,.11SQ,16
针数：20Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.16可调阈值：YES
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：S-PQCC-N20
JESD-609代码：e3长度：3 mm
湿度敏感等级：1信道数量：1
功能数量：1端子数量：20
最高工作温度：85 °C最低工作温度：
封装主体材料：PLASTIC/EPOXY封装代码：HVQCCN
封装等效代码：LCC20,.11SQ,16封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：NOT SPECIFIED
电源：5 V认证状态：Not Qualified
座面最大高度：0.8 mm子类别：Power Management Circuits
最大供电电流 (Isup)：500 mA最大供电电压 (Vsup)：5.5 V
最小供电电压 (Vsup)：4.35 V标称供电电压 (Vsup)：5 V
表面贴装：YES技术：CMOS
温度等级：OTHER端子面层：Matte Tin (Sn)
端子形式：NO LEAD端子节距：0.4 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：3 mmBase Number Matches：1

LTC3553EUD#TRPBF 数据手册

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LTC3553  
Micropower USB Power  
Manager With Li-Ion Charger,  
LDO and Buck Regulator  
DescripTion  
FeaTures  
The LTC®3553 is a micropower, highly integrated power  
management and battery charger IC for single-cell  
Li-Ion/Polymer battery applications. It includes a  
PowerPath manager with automatic load prioritization,  
a battery charger, an ideal diode and numerous internal  
protection features. Designed specifically for USB applica-  
tions, the LTC3553 power manager automatically limits  
input current to a maximum of either 100mA or 500mA.  
Battery charge current is automatically reduced such that  
the sum of the load current and the charge current does  
not exceed the selected input current limit. The LTC3553  
also includes a synchronous buck regulator, a low dropout  
linear regulator (LDO), and a pushbutton controller. With  
all supplies enabled in standby mode, the quiescent cur-  
rent drawn from the battery is only 12μA. The LTC3553 is  
available in a 3mm × 3mm × 0.75mm 20-pin QFN package.  
n
12μA Standby Mode Quiescent Current (All Outputs On)  
n
Seamless Transition Between Input Power Sources:  
Li-Ion/Polymer Battery and USB  
n
240mΩ Internal Ideal Diode Provides Low Loss  
PowerPath™  
n
High Efficiency 200mA Buck Regulator  
n
150mA Low Dropout (LDO) Linear Regulator  
n
Pushbutton On/Off Control With System Reset  
n
Full Featured Li-Ion/Polymer Battery Charger  
n
Programmable Charge Current With Thermal Limiting  
n
Instant-On Operation With Discharged Battery  
3mm × 3mm × 0.75mm 20-Pin QFN Package  
n
applicaTions  
n
USB-Based Handheld Products  
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and  
PowerPath, Hot Swap and Bat-Track are trademarks of Linear Technology Corporation. All other  
trademarks are the property of their respective owners. Protected by U.S. Patents, including  
6522118, 6700364, 5481178, 6304066, 6570372, 6580258, 7511390 and other patents pending.  
n
Portable Li-Ion/Polymer Based Electronic Devices  
n
Wearable Electronics  
Low Power Medical Devices  
n
Typical applicaTion  
4.35V TO 5.5V  
SYSTEM  
LOAD  
Battery Drain Current  
V
V
OUT  
BUS  
USB INPUT  
vs Temperature  
10µF  
10µF  
100k  
18  
V
BAT  
= 3.8V  
STBY = 3.8V  
REGULATORS LOAD = 0mA  
NTC  
CHRG  
LTC3553  
16  
14  
12  
10  
8
PROG  
BAT  
100k  
T
+
Li-Ion  
BATTERY  
1.87k  
BUCK AND LDO ON  
SEQ  
BVIN  
ONLY LDO ON  
2.2µF  
V
INLDO  
ONLY BUCK ON  
3.3V  
HPWR  
SUSP  
LDO  
6
150mA  
BUCK AND LDO OFF  
2.05M  
4.7µF  
4
LDO_ON  
LDO_FB  
SW  
DIGITAL  
2
649k  
CONTROL  
HARD RESET  
BUCK_ON  
STBY  
0
–50 –30 –10 10 30 50 70 90 110 130  
TEMPERATURE (°C)  
10µH  
10pF  
1.2V  
200mA  
PBSTAT  
332k  
649k  
10µF  
3553 TA01b  
BUCK_FB  
ON  
3553 TA01a  
ON/OFF  
3553fc  
1
1234567...36

中文翻译

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LTC3553EUD#TRPBF 替代型号

型号 品牌 替代类型 描述 数据表
LTC3553EUD#PBF Linear

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