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LT1512CS8#TR PDF预览

LT1512CS8#TR

更新时间： 2024-02-18 01:05:02
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
12页 226K
描述
LT1512 - SEPIC Constant-Current/Constant-Voltage Battery Charger; Package: SO; Pins: 8; Temperature Range: 0°C to 70°C

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LT1512CS8#TR 技术参数

是否Rohs认证： 不符合生命周期：Active
包装说明：SOP,Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.26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 VJESD-30 代码：R-PDSO-G8
JESD-609代码：e0长度：4.9025 mm
湿度敏感等级：1功能数量：1
端子数量：8最高工作温度：70 °C
最低工作温度：最大输出电流：2.7 A
标称输出电压：1.245 V封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：235
认证状态：Not Qualified座面最大高度：1.752 mm
最大供电电流 (Isup)：5.5 mA表面贴装：YES
切换器配置：SINGLE最大切换频率：580 kHz
技术：BIPOLAR温度等级：COMMERCIAL
端子面层：Tin/Lead (Sn/Pb)端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：20宽度：3.9 mm

LT1512CS8#TR 数据手册

 浏览型号LT1512CS8#TR的Datasheet PDF文件第1页浏览型号LT1512CS8#TR的Datasheet PDF文件第2页浏览型号LT1512CS8#TR的Datasheet PDF文件第4页浏览型号LT1512CS8#TR的Datasheet PDF文件第5页浏览型号LT1512CS8#TR的Datasheet PDF文件第6页浏览型号LT1512CS8#TR的Datasheet PDF文件第7页 
LT1512  
ELECTRICAL CHARACTERISTICS  
VIN = 5V, VC = 0.6V, VFB = VREF, IFB = 0V, VSW and S/S pins open, unless otherwise noted.  
SYMBOL PARAMETER  
CONDITIONS  
= 2A  
MIN  
TYP  
MAX  
UNITS  
V
Output Switch ON Resistance  
Switch Current Limit  
I
●
0.5  
0.8  
Ω
SAT  
LIM  
SW  
I
Duty Cycle = 50%  
Duty Cycle = 80% (Note 1)  
●
●
1.5  
1.3  
1.9  
1.7  
2.7  
2.5  
A
A
∆I  
Supply Current Increase During Switch ON Time  
15  
25  
mA/A  
IN  
∆I  
SW  
Control Voltage to Switch Current  
Transconductance  
2
A/V  
Minimum Input Voltage  
Supply Current  
●
●
2.4  
4
2.7  
5.5  
V
I
2.7V ≤ V ≤ 25V  
mA  
Q
IN  
Shutdown Supply Current  
2.7V ≤ V ≤ 25V, V ≤ 0.6V  
IN S/S  
0°C ≤ T ≤ 125°C  
●
12  
30  
50  
µA  
µA  
J
–40°C ≤ T ≤ 0°C (LT1512I)  
J
Shutdown Threshold  
2.7V ≤ V ≤ 25V  
●
●
●
●
0.6  
5
1.3  
12  
2
V
µs  
IN  
Shutdown Delay  
25  
S/S Pin Input Current  
Synchronization Frequency Range  
0V ≤ V ≤ 5V  
–10  
600  
15  
µA  
S/S  
800  
kHz  
The  
●
denotes specifications which apply over the full operating  
the ambient temperature range –40°C to 85°C are available as industrial  
parts with an “I” suffix.  
temperature range.  
Note 1: For duty cycles (DC) between 50% and 85%, minimum  
Maximum allowable ambient temperature may be limited by power  
dissipation. Parts may not necessarily be operated simultaneously at  
maximum power dissipation and maximum ambient temperature.  
Temperature rise calculations must be done as shown in the Applications  
Information section to ensure that maximum junction temperature does  
not exceed 125°C limit. With high power dissipation, maximum ambient  
temperature may be less than 70°C.  
guaranteed switch current is given by I = 0.667 (2.75 – DC).  
LIM  
Note 2: The I pin is servoed to its regulating state with V = 0.8V.  
FB  
C
Note 3: Commercial devices are guaranteed over 0°C to 125°C junction  
temperature range and 0°C to 70°C ambient temperature range. These  
parts are also designed, characterized and expected to operate over the  
–20°C to 85°C extended ambient temperature range, but are not tested at  
–20°C or 85°C. Devices with full guaranteed electrical specifications over  
W
U
TYPICAL PERFORMANCE CHARACTERISTICS  
Switch Saturation Voltage  
vs Switch Current  
Switch Current Limit  
vs Duty Cycle  
Minimum Input Voltage  
vs Temperature  
3.0  
2.5  
2.0  
1.5  
1.0  
0.5  
0
1.0  
0.9  
0.8  
0.7  
0.6  
0.5  
0.4  
0.3  
0.2  
0.1  
0
3.0  
2.8  
2.6  
2.4  
2.2  
2.0  
1.8  
150°C  
100°C  
25°C  
25°C AND  
125°C  
–55°C  
–55°C  
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0  
SWITCH CURRENT (A)  
0
10 20 30 40 50 60 70 80 90 100  
DUTY CYCLE (%)  
75 100  
125 150  
0
–50 –25  
0
25 50  
TEMPERATURE (°C)  
1512 G02  
1512 G01  
1512 G03  
3
1234567...12

中文翻译

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