LT1121IZ-3.3#TRPBF
IC REG LINEAR 3.3V 150MA TO92-3
Pmic Voltage Regulators Linear
TO-226-3, TO-92-3 (TO-226AA) Formed Leads
Active
$2.84 / unit (market reference)
MOQ: 106 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | LT1121IZ-3.3#TRPBF |
| Package / Case | TO-226-3, TO-92-3 (TO-226AA) Formed Leads |
| Mounting Type | Through Hole |
| Operating Temperature | -40°C ~ 125°C |
| Voltage - Input (Max) | 30V |
| Voltage - Output | 3.3V |
| Current - Output | 150mA |
| Supplier Device Package | TO-92-3 |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
LT1121IZ-3.3#TRPBF by Rochester Electronics, LLC is a power conversion IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 30V, output 3.3V. The TO-226-3, TO-92-3 (TO-226AA) Formed Leads 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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All Technical Specifications
| PSRR | 58dB (120Hz) |
| Output Type | Fixed |
| Control Features | Enable |
| Current - Output | 150mA |
| Protection Features | Over Temperature, Reverse Polarity |
| Number of Regulators | 1 |
| Output Configuration | Positive |
| Voltage - Input (Max) | 30V |
| Voltage Dropout (Max) | 0.7V @ 150mA |
| Current - Supply (Max) | 14 mA |
| Current - Quiescent (Iq) | 50 µA |
| Voltage - Output (Min/Fixed) | 3.3V |
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