STMicroelectronics L7981ATR Microcontrollers
3 A step-down switching regulator
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
L7981ATR
Detailed Description
3 A step-down switching regulator
Package
8-SOIC (0.154", 3.90mm Width) Exposed Pad
Lifecycle Status
Active
Datasheet
L7981ATR Datasheet
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Technical Specifications
STMicroelectronics L7981ATR Microcontrollers technical specifications.
General
Package / Case
8-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 150°C (TJ)
Lifecycle Status
Active
Output Type
Adjustable
Max Input Voltage
28V
Output Current
3A
Switching Frequency
250kHz ~ 1MHz
Number of Outputs
1
Topology
Buck
Alternate Parts Comparison (L7981ATR vs STM8S003F3P6TR vs LED5000PHR vs L5973D013TR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TJ) | -40°C ~ 150°C (TJ) |
| Package / Case | 8-SOIC | 20-TSSOP | 8-SOIC | 8-SOIC |
| Number of Outputs | 1 | -- | 1 | 1 |
| Topology | Buck | -- | Step-Down (Buck), Step-Up (Boost) | Buck |
| Action |
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