STMicroelectronics L5991AD DC DC Switching Controllers
IC REG CTRLR FLYBACK 16SO
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
L5991AD
Detailed Description
IC REG CTRLR FLYBACK 16SO
Package
16-SOIC (0.154", 3.90mm Width)
Key Features
Package / Case: 16-SOIC (0.154", 3.90mm Width); Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
L5991AD Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics L5991AD DC DC Switching Controllers technical specifications.
General
Package / Case
16-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 150°C (TJ)
Supply Voltage
7.6V ~ 20V
Output Type
Transistor Driver
Switching Frequency
Up to 1MHz
Number of Outputs
1
Topology
Flyback
Control Features
Current Limit, Frequency Control, Soft Start
Output Configuration
Positive, Isolation Capable
Alternate Parts Comparison (L5991AD vs L6910G vs SG2525AP vs L5991AD13TR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 16-SOIC | 16-SOIC | 16-SOIC | 16-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -25°C ~ 85°C (TA) | -40°C ~ 150°C (TJ) |
| Supply Voltage | 7.6V ~ 20V | 5V ~ 12V | 8V ~ 35V | 7.6V ~ 20V |
| Switching Frequency | Up to 1MHz | 200kHz | 100Hz ~ 400kHz | Up to 1MHz |
| Clock Sync | No | No | Yes | No |
| Control Features | Current Limit, Frequency Control, Soft Start | Current Limit, Frequency Control, Phase Control, Power Good, Soft Start | Enable, Soft Start | Current Limit, Frequency Control, Soft Start |
| Duty Cycle Max | 93% | 100% | 49% | 93% |
| Function | Step-Up/Step-Down | Step-Down | Step-Down, Step-Up/Step-Down | Step-Up/Step-Down |
| Number of Outputs | 1 | 1 | 2 | 1 |
| Output Configuration | Positive, Isolation Capable | Positive | Positive | Positive, Isolation Capable |
| Output Phases | 1 | 1 | 1 | 1 |
| Action |
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