Fixed 3.3V 250mA LDO, TO-92/SOT-89, ultra-low dropout
Voltage Regulators - Linear
TO-226-3, TO-92-3 (TO-226AA)
Active
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| Parameter | Value |
|---|---|
| Brand | Holtek Semiconductor |
| Model | HT7333-A |
| Package / Case | TO-226-3, TO-92-3 (TO-226AA) |
| Mounting Type | Through Hole |
| Operating Temperature | -40°C ~ 85°C |
| Topology | LDO Linear |
| Voltage - Input (Max) | 12V |
| Voltage - Output | 3.3V |
| Current - Output | 250mA |
| Supplier Device Package | TO-92-3 |
| RoHS | ROHS3 Compliant |
| Part Status | Active |
HT7333-A by Holtek Semiconductor is a LDO Linear IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 12V, output 3.3V. The TO-226-3, TO-92-3 (TO-226AA) package with surface mount mounting is standard for compact designs. Pay attention to input/output capacitor selection and PCB layout — switching regulators are sensitive to trace inductance.
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| Topology | LDO Linear |
| Voltage - Output (Min/Fixed) | 3.3V |
| Current - Output | 250mA |
| Voltage - Input (Max) | 12V |
| Dropout Voltage | 40mV @ 1mA |
| Quiescent Current | 2.5µA |
| Features | Ultra-low dropout, ultra-low Iq, battery-powered, IoT sensor node |
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