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参数资料
| 型号： | LT6654BHS6-2.5#TRPBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.5 V, PDSO6 |
| 封装： | 1 MM HEIGHT, LEAD FREE, PLASTIC, MO-193, TSOT-23, 6 PIN |
| 文件页数： | 12/12页 |
| 文件大小： | 331K |
| 代理商： | LT6654BHS6-2.5#TRPBF |
LT6654
9
6654f
APPLICATIONS INFORMATION
to three times through this reow process show that the
standard deviation of the output voltage increases with a
slight negative mean shift of 0.003% as shown in Figure 9.
While there can be up to 0.014% of output voltage shift,
the overall drift of the LT6654 after IR reow does not
vary signicantly.
Power Dissipation
The power dissipation in the LT6654 is dependent on VIN,
load current and the package. The LT6654 package has
a thermal resistance, or θJA, of 230°C/W. A curve that
illustrates allowed power dissipation versus temperature
for the 6-lead SOT-23 package is shown in Figure 10.
The power dissipation of the LT6654-2.5 as a function of
input voltage is shown in Figure 11. The top curve shows
power dissipation with a 10mA load and the bottom curve
shows power dissipation with no load. When operated
within its specied limits of VIN = 36V and sourcing
10mA, the LT6654-2.5 consumes about 335mW at room
temperature. The power-derating curve in Figure 10
shows the LT6654-2.5 can only safely dissipate 108mW
at 125°C, which is less than its maximum power output.
Care must be taken when designing the circuit so that the
maximum junction temperature is not exceeded.
The LT6654 includes output current limit circuitry, as well
as thermal limit circuitry, to protect the reference from
damage in the event of excessive power dissipation. The
LT6654 is protected from damage by a thermal shutdown
circuit. However, changes in performance may occur as
a result of operation at high temperature.
Figure 9. Output Voltage Shift Due to IR Reow (%)
Figure 10. Maximum Allowed Dissipation for LT6654
Figure 11. Typical Power Dissipation of the LT6654
TEMPERATURE (°C)
0
POWER
(W)
0.1
0.2
0.6
0.5
0.4
0.3
0.7
20
40
60
80
6654 F10
100
120
140
T = 150°C
θJA = 230°C/W
108mW
VIN (V)
0
POWER
(W)
0.05
0.25
0.20
0.15
0.10
0.40
0.35
0.30
510
15
6654 F11
20
25
30
35
40
10mA LOAD
NO LOAD
335mW
CHANGE IN OUTPUT (ppm)
–140
0
NUMBER
OF
UNITS
2
4
6
8
10
12
14
–120 –100 –80 –60
6654 F09
–40
0
–20
260°C 3 CYCLES
260°C 1 CYCLE
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT6654BHS6-3#PBF | 制造商:Linear Technology 功能描述:Bulk |
| LT6654BHS6-3#TRMPBF | 功能描述:IC VREF SERIES PREC 3V TSOT-23-6 RoHS:是 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 产品培训模块:Voltage Reference Basics 标准包装:100 系列:- 基准类型:旁路，精度 输出电压:4.096V 容差:±0.075% 温度系数:50ppm/°C 输入电压:- 通道数:1 电流 - 阴极:1µA 电流 - 静态:- 电流 - 输出:10mA 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SOIC 包装:管件 |
| LT6654BHS6-3#TRPBF | 功能描述:IC VREF SERIES PREC 3V TSOT-23-6 RoHS:是 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 产品培训模块:Voltage Reference Basics 标准包装:100 系列:- 基准类型:旁路，精度 输出电压:4.096V 容差:±0.075% 温度系数:50ppm/°C 输入电压:- 通道数:1 电流 - 阴极:1µA 电流 - 静态:- 电流 - 输出:10mA 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SOIC 包装:管件 |
| LT6654BHS6-3.3#PBF | 制造商:Linear Technology 功能描述:Bulk |
| LT6654BHS6-3.3#TRMPBF | 功能描述:IC VREF SERIES PREC TSOT-23-6 RoHS:是 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 标准包装:3,000 系列:- 基准类型:旁路，精度 输出电压:3V 容差:±0.5% 温度系数:100ppm/°C 输入电压:- 通道数:1 电流 - 阴极:82µA 电流 - 静态:- 电流 - 输出:15mA 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:6-TSSOP（5 引线），SC-88A，SOT-353 供应商设备封装:SC-70-5 包装:带卷 (TR) 其它名称:296-20888-2 |
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