Manufacturer Part #
L4981BD
L4981 Series 19.5 V Very High Power Factor Corrector Pre-Regulator - SOIC-20
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| Mfr. Name: | STMicroelectronics | ||||||||||
| Standard Pkg: | Product Variant Information section Available PackagingPackage Qty:40 per Tube Package Style:SOIC-20 Mounting Method:Surface Mount | ||||||||||
| Date Code: | 2424 | ||||||||||
Product Specification Section
STMicroelectronics L4981BD - Product Specification
Shipping Information:
Item cannot ship to certain countries. See List
Item cannot ship to following countries:
ECCN:
EAR99
PCN Information:
N/A
File
Date
Part Status:
Active
Active
STMicroelectronics L4981BD - Technical Attributes
Attributes Table
| Supply Current-Max: | 16mA |
| Supply Voltage-Max: | 19.5V |
| Operating Temp Range: | -40°C to +125°C |
| Package Style: | SOIC-20 |
| Mounting Method: | Surface Mount |
Features & Applications
The L4981BD is a 19.5 V, 16 mA Very High Power Factor Corrector Pre-Regulator, it provides the necessary features to achieve a very high power factor up to 0.99.
Features:
- Control boost pwm up to 0.99P.F.
- Limit line current distortion to < 5%
- Universal input mains
- Feed forward line and load regulation
- Average current mode pwm for minimum noise sensitivity
- High current bipolar and dmos totem pole output
- Low start-up current (0.3 mA Typ.)
- Under voltage lockout with hysteresis and programmable turn on threshold
- Overvoltage, overcurrent protection
- Precise 2% on chip reference externally available
- Soft start
Pricing Section
Global Stock:
1,000
Germany (Online Only):
1,000
Factory Lead Time:
25 Weeks
Quantity
Web Price
40
$1.44
160
$1.40
600
$1.36
1,000
$1.34
2,000+
$1.30
Product Variant Information section
Available Packaging
Package Qty:
40 per Tube
Package Style:
SOIC-20
Mounting Method:
Surface Mount