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| 型号： | TLE7368-2E |
| 厂商： | Infineon Technologies |
| 文件页数： | 31/41页 |
| 文件大小： | 0K |
| 描述： | IC PS SYSTEM MULTI VOLT PGDSO-36 |
| 标准包装： | 1,000 |
| 应用： | 电源，汽车应用 |
| 输入电压： | 4.5 V ~ 45 V |
| 输出数： | 3 |
| 输出电压： | 5V，3.3V，1.2V |
| 工作温度： | -40°C ~ 150°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 36-BSSOP（0.433"，11.00mm 宽）裸露焊盘 |
| 供应商设备封装： | PG-DSO-36 |
| 包装： | 带卷 (TR) |
| 其它名称： | SP000768086 TLE73682EXUMA1 |
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TLE7368
Detailed Internal Circuits Description
5.9
Monitoring Circuit
The monitoring block within the TLE7368 detects an undervoltage at the stand-by regulator output and is able to
distinguish between two different undervoltage situations. When the stand-by output gets back into regulation after
an undervoltage event, the timing on the MON_STBY output signal indicates the kind of undervoltage scenario
which has happened before. The behavior of the monitoring block is also described in Figure 6 and Figure 7
below.
In case of an undervoltage at the stand-by regulator with the 5 V regulator LDO1 in regulation (which means that
RO_1 = HIGH) the monitoring circuit has basically a power fail functionality which means that the MON_STBY
output will be LOW just as long as the undervoltage at the stand-by output occurs. As soon as Q_STBY is coming
back into regulation MON_STBY turns high again.
When the 5 V regulator is out of regulation (RO_1 = LOW), e.g. in case of EN_uC = EN_IGN = LOW, the
MON_STBY will turn LOW again if an undervoltage event happens at Q_STBY. The difference to the scenario
described above is now that when Q_STBY gets back into regulation the toggling of the MON_STBY output to
HIGH is coupled with the 5 V Reset line, RO_1, turning HIGH. In detail, the MON_STBY line turns high delayed
by t MON_STBY after the Reset line RO_1 had gone high.
MON = High
V Q_STBY < V MON, Q_STBY, de
and
V Q_STBY < V MON, Q_STBY, de
and
RO_1 = High
Monitor timing
= don’t care
RO_1 = Low
MON = Low
V Q_STBY > V MON, Q_STBY, in
and
RO_1 = High
V Q_STBY > V MON, Q_STBY, in
and
RO_1 = High
MON = Low
V Q_STBY > V MON, Q_STBY, in
and
Monitor timing
= no delay *)
V Q_STBY < V MON, Q_STBY, de
and
Monitor timing
= delay **)
RO_1 = Low
RO_1 = Low
*)
power fail functionionality
**)
power on reset functionality
Figure 6
Stand by Monitor State Diagram
Data Sheet
31
Rev. 2.1, 2010-11-22
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TLE73682EXT | 功能描述:直流/直流开关转换器 DC/DC RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| TLE73682EXUMA1 | 制造商:Infineon Technologies AG 功能描述:Micro Controller Supply 36-Pin DSO 制造商:Infineon Technologies AG 功能描述:DC/DC CONVERTER - Tape and Reel 制造商:Infineon Technologies AG 功能描述:IC PS SYSTEM MULTI VOLT PGDSO-36 |
| TLE7368-3E | 功能描述:直流/直流开关转换器 DC/DC RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| TLE73683EXT | 功能描述:直流/直流开关转换器 DC/DC RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| TLE73683EXUMA1 | 制造商:Infineon Technologies AG 功能描述:Micro Controller Supply 制造商:Infineon Technologies AG 功能描述:DC/DC CONVERTER - Tape and Reel 制造商:Infineon Technologies AG 功能描述:IC PS SYSTEM MULTI VOLT PGDSO-36 |
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