再加一颗低电压检测,再加8角成本,晕,这样贴膏药还不如另选MCU.
软件修正方案量产时会有麻烦.
| Part No. | Maximum
Input Voltage | Detect Voltage | Hysteresis
Width (V) | Typical Current
Consumption (µA) | Tolerance | Package | | HT7022A-1 | 24V | 2.2V | 0.11 | 4 | ± 3% | TO92, SOT23-5, SOT89 | | HT7024A-1 | 24V | 2.4V | 0.12 | 4 | ± 3% | TO92, SOT23-5, SOT89 | | HT7027A-1 | 24V | 2.7V | 0.135 | 4 | ± 3% | TO92, SOT23-5, SOT89 | | HT7033A-1 | 24V | 3.3V | 0.165 | 4 | ± 3% | TO92, SOT23-5, SOT89 | | HT7039A-1 | 24V | 3.9V | 0.195 | 4 | ± 3% | TO92, SOT23-5, SOT89 | | HT7044A-1 | 24V | 4.4V | 0.22 | 4 | ± 3% | TO92, SOT23-5, SOT89 | | HT7050A-1 | 24V | 5.0V | 0.25 | 4 | ± 3% | TO92, SOT23-5, SOT89 |
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