STMicroelectronics L7981 DC DC Switching Regulators
IC REG BUCK ADJ 3A 8VFQFPN
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
L7981
Detailed Description
IC REG BUCK ADJ 3A 8VFQFPN
Package
8-VFDFN Exposed Pad
Key Features
Package / Case: 8-VFDFN Exposed Pad; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
L7981 Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics L7981 DC DC Switching Regulators technical specifications.
General
Package / Case
8-VFDFN Exposed Pad
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 (L7981 vs L7980TR vs L6928Q1TR vs L7980)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 8-VFDFN Exposed Pad | 8-VFDFN Exposed Pad | 8-VFDFN Exposed Pad | 8-VFDFN Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) |
| Switching Frequency | 250kHz ~ 1MHz | 250kHz ~ 1MHz | 1.4MHz | 250kHz ~ 1MHz |
| Function | Step-Down | Step-Down | Step-Down | Step-Down |
| Max Input Voltage | 28V | 28V | 5.5V | 28V |
| Min Input Voltage | 4.5V | 4.5V | 2V | 4.5V |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Current | 3A | 2A | 800mA | 2A |
| Output Type | Adjustable | Adjustable | Adjustable | Adjustable |
| Output Voltage | 0.6V | 0.6V | 0.6V | 0.6V |
| Action |
More Parts in DC DC Switching Regulators
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
L7980TRSTMicroelectronicsBuck Switching Regulator IC Positive Adjustable 0.6V 1 Output 2A 8-VFDFN Exposed Pad
L6928Q1TRSTMicroelectronicsBuck Switching Regulator IC Positive Adjustable 0.6V 1 Output 800mA 8-VFDFN Exposed Pad
L7980STMicroelectronicsBuck Switching Regulator IC Positive Adjustable 0.6V 1 Output 2A 8-VFDFN Exposed Pad
L5983TRSTMicroelectronicsBuck Switching Regulator IC Positive Adjustable 0.6V 1 Output 1.5A 8-VFDFN Exposed Pad