STMicroelectronics L4981AD PFC (Power Factor Correction)
IC PFC CTR AVER CURR 100KHZ 20SO
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
L4981AD
Detailed Description
IC PFC CTR AVER CURR 100KHZ 20SO
Package
20-SOIC (0.295", 7.50mm Width)
Key Features
Package / Case: 20-SOIC (0.295", 7.50mm Width); Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
L4981AD Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics L4981AD PFC (Power Factor Correction) technical specifications.
General
Package / Case
20-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C
Supply Voltage
14.5V ~ 19.5V
Mode
Average Current
Switching Frequency
100kHz
Current Startup
100 µA
Alternate Parts Comparison (L4981AD vs L6563STR vs L6564D vs L6562AD)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 20-SOIC | 14-SOIC | 10-SOP | 8-SOIC |
| Operating Temperature | -40°C ~ 125°C | -25°C ~ 125°C | -25°C ~ 125°C | -25°C ~ 125°C |
| Supply Voltage | 14.5V ~ 19.5V | 10.3V ~ 22.5V | 10.3V ~ 22.5V | 10.5V ~ 22.5V |
| Current Startup | 100 µA | 90 µA | 90 µA | 30 µA |
| Mode | Average Current | Discontinuous (Transition) | Discontinuous (Transition) | Discontinuous (Transition) |
| Mounting Type | Surface Mount | -- | Surface Mount | Surface Mount |
| Action |
More Parts in PFC Controllers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.