STMicroelectronics L4981B, Power Factor Controller, 115 kHz, 19.5 V 20-Pin, PDIP
- RS Stock No.:
- 189-1144
- Mfr. Part No.:
- L4981B
- Manufacturer:
- STMicroelectronics
Discontinued product
- RS Stock No.:
- 189-1144
- Mfr. Part No.:
- L4981B
- Manufacturer:
- STMicroelectronics
Technical data sheets
Legislation and Compliance
Product Details
Power Factor Correction (PFC), STMicroelectronics
Power Factor Correction (PFC) controllers operate in Transition Mode (TM) and Continuous Current Mode (CCM) for a wide-range-mains operation. The PFC controllers embed advanced protection features, which make SMPS more robust and compact, requiring fewer external components.
AC/DC Converters, STMicroelectronics
Specifications
Attribute | Value |
|---|---|
| Maximum Switching Frequency | 115 kHz |
| Start-up Supply Current | 0.3mA |
| Maximum Source Current | 10mA |
| Maximum Sink Current | 20000µA |
| Maximum Supply Current | 16 mA |
| Mounting Type | Through Hole |
| Package Type | PDIP |
| Pin Count | 20 |
| Dimensions | 25.4 x 7.1 x 2.68mm |
| Height | 2.68mm |
| Length | 25.4mm |
| Maximum Operating Supply Voltage | 19.5 V |
| Maximum Operating Temperature | +125 °C |
| Width | 7.1mm |
| Minimum Operating Temperature | -40 °C |