For Reference Only
| Part Number | L5991D |
| Manufacturer | STMicroelectronics |
| Category | Integrated Circuits (ICs) › AC DC Converters, Offline Switches |
| Description | IC OFFLINE SWITCH MULT TOP 16SO |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | L5991D PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Dec 11 - Dec 15 2025(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | L5991D |
| Brand: | STMicroelectronics |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits (ICs) |
| Subcategory: | AC DC Converters, Offline Switches |
| Manufacturer: | STMicroelectronics |
| Product Status: | Active |
| Output Isolation: | Isolated |
| Internal Switch(s): | No |
| Voltage - Breakdown: | - |
| Topology: | Boost, Flyback |
| Voltage - Start Up: | 15 V |
| Voltage - Supply (Vcc/Vdd): | 10V ~ 20V |
| Duty Cycle: | 93% |
| Frequency - Switching: | Up to 1MHz |
| Power (Watts): | - |
| Fault Protection: | Current Limiting, Over Voltage |
| Control Features: | Frequency Control, Soft Start, Sync |
| Operating Temperature: | -40°C ~ 150°C (TJ) |
| Package / Case: | 16-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package: | 16-SO |
| Mounting Type: | Surface Mount |
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| In Stock | 31757 pieces - 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 | $2.22000 | $2.22 |
| 50 | $1.90740 | $95.37 |
| 100 | $1.64490 | $164.49 |
| 500 | $1.37548 | $687.74 |
| 1000 | $1.16276 | $1162.76 |
Due to the impact of the COVID-19,the above prices have not been updated, please resend the inquiry to us, thank you for your understanding
Please feel free to contact us for details.