STMicroelectronics · Other integrated circuits
E-L5991A
IC REG CTRLR FLYBACK 16DIP
STM32-first sourcing with STMicroelectronics support components. Review recorded cores, flash, RAM, connectivity and package facts before moving an approved design into production.
Request this exact part →
E-L5991A specifications
Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.
| Manufacturer | STMicroelectronics |
|---|---|
| Ordering code | E-L5991A |
| Family | Other integrated circuits |
| Package | 16-DIP (0.300", 7.62mm) |
| Product Status | Obsolete |
| 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 | Not provided in source |
| Control Features | Current Limit, Frequency Control, Soft Start |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Mounting Type | Through Hole |
| Package / Case | 16-DIP (0.300", 7.62mm) |
| Supplier Device Package | 16-DIP |
Documents and evidence
E-L5991A ↗Before sourcing E-L5991A
- Identify the firmware and board baseline
- Check flash, RAM and required peripherals
- Review pin assignment and supply limits
- Keep the full temperature and package suffix
Questions about E-L5991A
How do I request a current price?
Provide this full code, quantity, destination and arrival date. Budget estimates are conditional; final availability and price are confirmed by quotation.
Can a related record replace this device?
Related records aid discovery. Package, pinout, ratings, tooling and software require engineering approval before substitution.
Continue your Other integrated circuits review
74AC00MTR14-SOIC (0.154", 3.90mm Width)
74AC00TTR14-TSSOP (0.173", 4.40mm Width)
74AC02B14-DIP (0.300", 7.62mm)
74AC02MTR14-SOIC (0.154", 3.90mm Width)
74AC02TTR14-TSSOP (0.173", 4.40mm Width)
74AC04MTR14-SOIC (0.154", 3.90mm Width)