For Reference Only
| Part Number | L5991AD |
| LIXINC Part # | L5991AD |
| Manufacturer | STMicroelectronics |
| Category | Integrated Circuits › PMIC - Voltage Regulators - DC DC Switching Controllers |
| Description | IC REG CTRLR FLYBACK 16SO |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | L5991AD PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Jan 26 - Jan 30 2026(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | L5991AD |
| Brand: | STMicroelectronics |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits |
| Subcategory: | PMIC - Voltage Regulators - DC DC Switching Controllers |
| Manufacturer: | STMicroelectronics |
| Series: | - |
| Package: | Tube |
| Part Status: | Active |
| Output Type: | Transistor Driver |
| Function: | Step-Up/Step-Down |
| Output Configuration: | Positive, Isolation Capable |
| Topology: | Flyback |
| Number of Outputs: | 1 |
| Output Phases: | 1 |
| Voltage - Supply (Vcc/Vdd): | 7.6V ~ 20V |
| Frequency - Switching: | Up to 1MHz |
| Duty Cycle (Max): | 93% |
| Synchronous Rectifier: | Yes |
| Clock Sync: | No |
| Serial Interfaces: | - |
| Control Features: | Current Limit, Frequency Control, Soft Start |
| Operating Temperature: | -40°C ~ 150°C (TJ) |
| Mounting Type: | Surface Mount |
| Package / Case: | 16-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package: | 16-SO |
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| In Stock | 10992 - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
Warm Tips: Please fill out the form below. We will contact you as soon as possible.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $2.30000 | $2.3 |
| 50 | $1.94768 | $97.384 |
| 100 | $1.65939 | $165.939 |
| 500 | $1.36332 | $681.66 |
| 1000 | $1.12960 | $1129.6 |
Lixinc will offer the most competitive prices for you, please refer to the quotations.
Please feel free to contact us for details.