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Datasheet > LTC1734ES6-4.1#TRPBF
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LTC1734ES6-4.1#TRPBF

更新时间： 2024-02-07 01:26:43
品牌 Logo 应用领域
凌特 - Linear 电池光电二极管
页数 文件大小 规格书
16页 203K
描述
LTC1734 - Lithium-Ion Linear Battery Charger in ThinSOT; Package: SOT; Pins: 6; Temperature Range: -40°C to 85°C

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LTC1734ES6-4.1#TRPBF 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Active包装说明：LSSOP,
针数：6Reach Compliance Code：compliant
风险等级：5.33模拟集成电路 - 其他类型：BATTERY CHARGE CONTROLLER
控制模式：VOLTAGE-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：8 V最小输入电压：4.55 V
标称输入电压：5 VJESD-30 代码：R-PDSO-G6
JESD-609代码：e3长度：2.95 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：-40 °C最大输出电流：0.9 A
封装主体材料：PLASTIC/EPOXY封装代码：LSSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：1.45 mm表面贴装：YES
切换器配置：SINGLE温度等级：INDUSTRIAL
端子面层：Tin (Sn)端子形式：GULL WING
端子节距：0.95 mm端子位置：DUAL
处于峰值回流温度下的最长时间：30宽度：1.625 mm

LTC1734ES6-4.1#TRPBF 数据手册

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LTC1734  
Lithium-Ion Linear Battery  
Charger in ThinSOT  
FeaTures  
DescripTion  
The LTC®1734 is a low cost, single cell, constant-current/  
constant-voltage Li-Ion battery charger controller. When  
combined with a few external components, the TSOT-23  
package forms a very small, low cost charger for single  
cell lithium-ion batteries.  
n
Low Profile (1mm) ThinSOT™ Package  
n
No Blocking Diode Required  
n
No Sense Resistor Required  
1% Accurate Preset Voltages: 4.1V or 4.2V  
n
n
Charge Current Monitor Output  
for Charge Termination  
The LTC1734 is available in 4.1V and 4.2V versions with  
1% accuracy. Constant current is programmed using a  
singleexternalresistorbetweenthePROGpinandground.  
Manualshutdownisaccomplishedbyfloatingtheprogram  
resistor while removing input power automatically puts  
the LTC1734 into a sleep mode. Both the shutdown and  
sleep modes drain near zero current from the battery.  
n
Programmable Charge Current: 200mA to 700mA  
n
Automatic Sleep Mode with Input Supply Removal  
n
Manual Shutdown  
n
Negligible Battery Drain Current in Shutdown  
n
Undervoltage Lockout  
n
Self Protection for Overcurrent/Overtemperature  
Charge current can be monitored via the voltage on the  
PROG pin allowing a microcontroller or ADC to read the  
currentanddeterminewhentoterminatethechargecycle.  
The output driver is both current limited and thermally  
protected to prevent the LTC1734 from operating outside  
of safe limits. No external blocking diode is required.  
applicaTions  
n
Cellular Telephones  
n
Handheld Computers  
n
Digital Cameras  
Charging Docks and Cradles  
Low Cost and Small Size Chargers  
Programmable Current Sources  
n
n
TheLTC1734canalsofunctionasageneralpurposecurrent  
sourceorasacurrentsourceforchargingnickel-cadmium  
(NiCd) and nickel-metal-hydride (NiMH) batteries using  
external termination.  
n
L, LT, LTC, LTM, 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.  
Typical applicaTion  
300mA Li-Ion Battery Charger  
PROG Pin Indicates Charge Status  
5V  
3
2
1
6
5
V
IN  
V
BAT  
V
I
SENSE  
CC  
5V  
4V  
3V  
LTC1734  
1µF  
FMMT549  
= 300mA  
GND  
DRIVE  
I
BAT  
4
PROG  
BAT  
SINGLE  
+
CONSTANT  
CURRENT  
10µF  
Li-Ion  
CONSTANT  
VOLTAGE  
R
5k  
PROG  
BATTERY  
2V  
1.5V  
V
PROG  
1734 TA01  
1V  
0V  
CHARGING  
BEGINS  
CHARGING  
COMPLETE  
1734 TA01b  
1734fa  
1
For more information www.linear.com/LTC1734  
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LTC1734ES6-4.1#TRPBF 替代型号

型号 品牌 替代类型 描述 数据表
LTC1734ES6-4.1#TR Linear

完全替代

 LTC1734 - Lithium-Ion Linear Battery Charger in ThinSOT; Package: SOT; Pins: 6; Temperatur

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