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LTC3586-1_15 PDF预览

LTC3586-1_15

更新时间： 2024-02-16 14:39:02
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
36页 454K
描述
High Efficiency USB Power Manager with Boost, Buck-Boost and Dual Bucks

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中文翻译

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LTC3586-1_15 数据手册

 浏览型号LTC3586-1_15的Datasheet PDF文件第2页浏览型号LTC3586-1_15的Datasheet PDF文件第3页浏览型号LTC3586-1_15的Datasheet PDF文件第4页浏览型号LTC3586-1_15的Datasheet PDF文件第5页浏览型号LTC3586-1_15的Datasheet PDF文件第6页浏览型号LTC3586-1_15的Datasheet PDF文件第7页 
LTC3586/LTC3586-1  
High Efficiency USB Power  
Manager with Boost,  
Buck-Boost and Dual Bucks  
DescripTion  
FeaTures  
Power Manager  
The LTC®3586/LTC3586-1 are highly integrated power  
management and battery charger ICs for Li-Ion/Polymer  
battery applications. They include a high efficiency cur-  
rentlimitedswitchingPowerPathmanagerwithautomatic  
load prioritization, battery charger, ideal diode, and four  
synchronous switching regulators (two bucks, one buck-  
boost and one boost). Designed specifically for USB  
High Efficiency Switching PowerPathTM Controller  
n
with Bat-TrackTM Adaptive Output Control and  
“Instant-On” Operation  
n
Programmable USB or Wall Current Limit  
(100mA/500mA/1A)  
Full Featured Li-Ion/Polymer Battery Charger with  
n
Float Voltage of 4.1V (LTC3586-1) or 4.2V (LTC3586) applications, the LTC3586/LTC3586-1’s switching power  
with 1.5A Maximum Charge Current  
Internal 180mΩ Ideal Diode Plus External Ideal Diode  
Controller Powers Load in Battery Mode  
<30µA No-Load Quiescent Current when Powered  
from BAT  
manager automatically limits input current to a maximum  
of either 100mA or 500mA for USB applications or 1A for  
adapter-powered applications.  
n
n
Unlike linear chargers, the LTC3586/LTC3586-1 switching  
architecturetransmitsnearlyallofthepoweravailablefrom  
the USB port to the load with minimal loss and heat which  
eases thermal constraints in small places. The two buck  
regulators can provide up to 400mA each, the buck-boost  
can deliver 1A, and the boost delivers at least 800mA.  
n
n
n
n
Dual High Efficiency Buck DC/DCs (400mA I  
)
OUT  
)
High Efficiency Buck-Boost DC/DC (1A I  
OUT  
High Efficiency Boost DC/DC (800mA I  
)
OUT  
Compact (4mm × 6mm × 0.75mm) 38-Pin QFN  
Package  
The LTC3586/LTC3586-1 are available in a low profile  
(0.75mm) 38-pin 4mm × 6mm QFN package.  
applicaTions  
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
PowerPath 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, 6404251.  
n
Digital Still Cameras  
n
HDD-Based MP3 Players, PDAs, GPS, PMPs  
n
Other USB-Based Handheld Products  
Typical applicaTion  
High Efficiency PowerPath Manager, Dual Buck, Buck-Boost and Boost  
USB/WALL  
4.5V TO 5.5V  
TO OTHER  
LOADS  
Battery Charge Current vs  
Battery Voltage (LTC3586)  
USB COMPLIANT  
STEP-DOWN  
REGULATOR  
700  
600  
500  
400  
300  
200  
100  
0
CC/CV  
BATTERY  
CHARGER  
BATTERY CHARGE CURRENT  
0V  
OPTIONAL  
Li-Ion  
CURRENT  
CONTROL  
EXTRA CURRENT  
FOR FASTER CHARGING  
CHARGE  
+
500mA USB CURRENT LIMIT  
T
LTC3586/LTC3586-1  
3.3V/20mA  
RTC/LOW  
ALWAYS ON LDO  
POWER LOGIC  
0.8V TO 3.6V/400mA  
0.8V TO 3.6V/400mA  
4
2
1
2
3
DUAL HIGH EFFICIENCY  
MEMORY/  
CORE µP  
EN  
MODE  
BUCKS  
V
= 5V  
BUS  
5x MODE  
HIGH EFFICIENCY  
BUCK-BOOST  
BATTERY CHARGER PROGRAMMED FOR 1A  
2.5V to 3.3V/1A  
5V/800mA  
I/O  
SYSTEM  
2.8  
3.2 3.4 3.6  
3.8  
4
4.2  
3
I
LIM  
BATTERY VOLTAGE (V)  
HIGH EFFICIENCY  
BOOST  
AUDIO/  
MOTOR  
3586 TA01b  
4
FAULT  
3586 TA01  
3586fb  
ꢀ
1234567...36

中文翻译

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