STMicroelectronics6-VDFN Exposed PadRoHS
LDO40LPU33RY
IC REG LINEAR 3.3V 400MA 6DFN
Category
Subcategory
Pmic Voltage Regulators Linear
Package
6-VDFN Exposed Pad
Series
Automotive, AEC-Q100
Status
Active
$2.35 / unit (market reference)
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | STMicroelectronics |
| Model | LDO40LPU33RY |
| Package / Case | 6-VDFN Exposed Pad |
| Mounting Type | Surface Mount, Wettable Flank |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Voltage - Input (Max) | 38V |
| Voltage - Output | 3.3V |
| Current - Output | 400mA |
| Supplier Device Package | 6-DFN (3x3) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
LDO40LPU33RY by STMicroelectronics is a power conversion IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 38V, output 3.3V. The 6-VDFN Exposed Pad 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 | 77dB ~ 42dB (100Hz ~ 10kHz) |
| Output Type | Fixed |
| Control Features | Enable |
| Current - Output | 400mA |
| Protection Features | Current Limit, Thermal Shutdown |
| Number of Regulators | 1 |
| Output Configuration | Positive |
| Voltage - Input (Max) | 38V |
| Voltage Dropout (Max) | 0.27V @ 400mA |
| Current - Supply (Max) | 140 µA |
| Current - Quiescent (Iq) | 90 µA |
| Voltage - Output (Min/Fixed) | 3.3V |
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