| Mfr. No: | L5991D |
| Mfr.: | STMicroelectronics |
| Category: | Switching Controllers |
| Description: | Switching Controllers Prog Current Mode |
| Datasheet: | L5991D Datasheet (PDF) |
| 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 |
| 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 |
| Packaging | Tube |
| Standard Pack Qty | 1000 |
| Alternate Packaging | L5991D013TR |
| Suggested Replacement |
| Category | Switching Controllers |
| RoHS | RoHS Compliant |
| Lifecycle | |
| Lead Time | 245 Days (from factory) |
| Country / Standard | Code |
|---|---|
| CNHTS | 8542399000 |
| CAHTS | 8542310000 |
| USHTS | 8542310030 |
| JPHTS | 8542310394 |
| KRHTS | 8542311000 |
| TARIC | 8542319000 |
| MXHTS | 8542310399 |
| ECCN | EAR99 |
As a switching controllers component, the L5991D is manufactured and supplied by STMicroelectronics. Among its key specs are output isolation: Isolated, internal switch: No, voltage, breakdown: -, topology: Boost, Flyback, voltage, start up: 15 V and voltage, supply: 10V ~ 20V. This part has a typical lead time of 245 Days from factory and ships with a full manufacturer datasheet available for download. Simplytronix carries L5991D in stock, backed by a genuine parts guarantee and quick dispatch.