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参数资料
| 型号： | TS432ITB0 |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 1.24 V, PBCY3 |
| 封装： | ROHS COMPLIANT, TO-92, 3 PIN |
| 文件页数： | 6/12页 |
| 文件大小： | 432K |
| 代理商： | TS432ITB0 |
TS432I
Adjustable Precision Shunt Regulator
3/12
Version: A0B
Test Circuits
Figure 1: Vka = Vref
Figure 2: Vka > Vref
Figure 3: Off-State Current
Additional Information – Stability
When The TS432I/432AI/432BI is used as a shunt regulator, there are two options for selection of CL, are recommended for optional
stability:
A) No load capacitance across the device, decouple at the load.
B) Large capacitance across the device, optional decoupling at the load.
The reason for this is that TS432I/432AI/432BI exhibits instability with capacitances in the range of 10nF to 1uF (approx.) at light
cathode current up to 3mA (typ). The device is less stable the lower the cathode voltage has been set for. Therefore while the
device will be perfectly stable operating at a cathode current of 10mA (approx.) with a 0.1uF capacitor across it, it will oscillate
transiently during start up as the cathode current passes through the instability region. Select a very low capacitance, or alternatively
a high capacitance (10uF) will avoid this issue altogether. Since the user will probably wish to have local decoupling at the load
anyway, the most cost effective method is to use no capacitance at all directly across the device. PCB trace/via resistance and
inductance prevent the local load decoupling from causing the oscillation during the transient start up phase.
Note: if the TS432I/432AI/432BI is located right at the load, so the load decoupling capacitor is directly across it, then this capacitor
will have to be ≤1nF or ≥10uF.
Applications Examples
Figure 4: Voltage Monitor
Figure 5: Output Control for Three Terminal
Fixed Regulator
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| TS432BIXRF | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 1.24 V, PDSO3 |
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相关代理商/技术参数 |
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| TS432IX5RF | 制造商:TSC 制造商全称:Taiwan Semiconductor Company, Ltd 功能描述:Adjustable Precision Shunt Regulator |
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| TS432XCTB0 | 制造商:TSC 制造商全称:Taiwan Semiconductor Company, Ltd 功能描述:Adjustable Precision Shunt Regulator |
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