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LT1513CT7-2

更新时间： 2024-01-27 13:30:58
品牌 Logo 应用领域
凌特 - Linear 电池
页数 文件大小 规格书
16页 303K
描述
SEPIC Constant- or Programmable-Current/ Constant-Voltage Battery Charger

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LT1513CT7-2 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：SFM
包装说明：TO-220, ZIP7,.15,.2TB针数：3
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.65
模拟集成电路 - 其他类型：BATTERY CHARGE CONTROLLER控制模式：CURRENT-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：25 V
最小输入电压：2.7 V标称输入电压：5 V
JESD-30 代码：R-PSFM-T7JESD-609代码：e3
功能数量：1端子数量：7
最大输出电流：5.4 A封装主体材料：PLASTIC/EPOXY
封装代码：TO-220封装等效代码：ZIP7,.15,.2TB
封装形状：RECTANGULAR封装形式：FLANGE MOUNT
峰值回流温度（摄氏度）：250电源：5 V
认证状态：Not Qualified子类别：Power Management Circuits
最大供电电流 (Isup)：5.5 mA标称供电电压 (Vsup)：5 V
表面贴装：NO切换器配置：SINGLE
最大切换频率：580 kHz技术：BIPOLAR
端子面层：Matte Tin (Sn)端子形式：THROUGH-HOLE
端子节距：1.27 mm端子位置：SINGLE
处于峰值回流温度下的最长时间：NOT SPECIFIEDBase Number Matches：1

LT1513CT7-2 数据手册

 浏览型号LT1513CT7-2的Datasheet PDF文件第2页浏览型号LT1513CT7-2的Datasheet PDF文件第3页浏览型号LT1513CT7-2的Datasheet PDF文件第4页浏览型号LT1513CT7-2的Datasheet PDF文件第5页浏览型号LT1513CT7-2的Datasheet PDF文件第6页浏览型号LT1513CT7-2的Datasheet PDF文件第7页 
LT1513/LT1513-2  
SEPIC Constant- or  
Programmable-Current/  
Constant-Voltage Battery Charger  
U
DESCRIPTION  
FEATURES  
The LT®1513 is a 500kHz current mode switching regula-  
tor specially configured to create a constant- or program-  
mable-current/constant-voltagebatterycharger.Inaddition  
to the usual voltage feedback node, it has a current sense  
feedback circuit for accurately controlling output current  
of a flyback or SEPIC (Single-Ended Primary Inductance  
Converter) topology charger. These topologies allow the  
currentsensecircuittobegroundreferredandcompletely  
separatedfromthebatteryitself,simplifyingbatteryswitch-  
ing and system grounding problems. In addition, these  
topologies allow charging even when the input voltage is  
lower than the battery voltage. The LT1513 can also drive  
a CCFL Royer converter with high efficiency in floating or  
grounded mode.  
■
Charger Input Voltage May Be Higher, Equal to or  
Lower Than Battery Voltage  
■
■
Charges Any Number of Cells Up to 20V  
1% Voltage Accuracy for Rechargeable Lithium  
Batteries  
■
■
100mV Current Sense Voltage for High Efficiency  
(LT1513)  
0mV Current Sense Voltage for Easy Current  
Programming (LT1513-2)  
Battery Can Be Directly Grounded  
500kHz Switching Frequency Minimizes  
Inductor Size  
■
■
■
Charging CurrenUt Easily Programmable or Shut Down  
APPLICATIONS  
Maximum switch current on the LT1513 is 3A. This allows  
battery charging currents up to 2A for a single lithium-ion  
cell. Accuracy of 1% in constant-voltage mode is perfect  
for lithium battery applications. Charging current can be  
easily programmed for all battery types.  
■
Charging of NiCd, NiMH, Lead-Acid or Lithium  
Rechargeable Cells  
■
Precision Current Limited Power Supply  
■
Constant-Voltage/Constant-Current Supply  
Transducer Excitation  
Universal Input CCFL Driver  
■
, LTC and LT are registered trademarks of Linear Technology Corporation.  
■
U
TYPICAL APPLICATION  
Maximum Charging Current  
L1A*  
WALL  
ADAPTER  
INPUT  
•
2.4  
C2**  
7
C3  
22µF  
25V  
+
†
4.7µF  
2.2  
D1  
SINGLE Li-Ion CELL  
5
2
V
IN  
(4.1V)  
V
SW  
2.0  
1.8  
1.6  
1.4  
1.2  
1.0  
0.8  
0.6  
0.4  
1.25A  
CHARGE  
DOUBLE Li-Ion  
CELL (8.2V)  
L1B*  
LT1513  
R1  
R2  
SYNC  
6
•
S/S  
GND  
V
FB  
AND/OR  
C1  
SHUTDOWN  
SHUTDOWN  
V
C
I
+
FB  
12V  
R4  
39Ω  
22µF  
25V  
× 2  
1
3
4
TAB  
16V  
R5  
270Ω  
20V  
C4  
R3  
C5  
0.1µF  
0.22µF  
0.08Ω  
BATTERY  
VOLTAGE  
LT1513 • TA01  
*
L1A, L1B ARE TWO 10µH WINDINGS ON A  
COMMON CORE: COILTRONICS CTX10-4  
CERAMIC MARCON THCR40EIE475Z OR TOKIN 1E475ZY5U-C304  
MBRD340 OR MBRS340T3. MBRD340 HAS 5µA TYPICAL  
LEAKAGE, MBRS340T3 50µA TYPICAL  
0
5
10  
15  
20  
25  
30  
INPUT VOLTAGE (V)  
**  
†
INDUCTOR = 10µH  
ACTUAL PROGRAMMED CHARGING CURRENT WILL BE  
INDEPENDENT OF INPUT VOLTAGE IF IT DOES NOT  
EXCEED VALUES SHOWN  
LT1513 • TA02  
Figure 1. SEPIC Charger with 1.25A Output Current  
1
1234567...16

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