STMicroelectronics12-LSOP (0.154", 3.90mm Width) Exposed PadRoHS
L9777A
IC REG LIN POS ADJ 600MA PWRSSO
Category
Subcategory
Pmic Voltage Regulators Linear
Package
12-LSOP (0.154", 3.90mm Width) Exposed Pad
Status
Active
$1.29 / unit (market reference)
MOQ: 2000 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | STMicroelectronics |
| Model | L9777A |
| Package / Case | 12-LSOP (0.154", 3.90mm Width) Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Voltage - Input (Max) | 31V |
| Voltage - Output | 4.9V |
| Current - Output | 600mA |
| Supplier Device Package | PowerSSO-12 |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
L9777A 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 31V, output 4.9V. The 12-LSOP (0.154", 3.90mm Width) 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 | 55dB (100Hz) |
| Output Type | Adjustable |
| Current - Output | 600mA |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Number of Regulators | 1 |
| Output Configuration | Positive |
| Voltage - Input (Max) | 31V |
| Voltage Dropout (Max) | 0.4V @ 200mA |
| Voltage - Output (Max) | 5.1V |
| Current - Quiescent (Iq) | 220 µA |
| Voltage - Output (Min/Fixed) | 4.9V |
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