STMicroelectronics L5981 DC DC Switching Regulators
Buck Switching Regulator IC Positive Adjustable 0.6V 1 Output 1A 8-VFDFN Exposed Pad
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
L5981
Detailed Description
IC REG BUCK ADJ 1A 8VFQFPN
Package
8-VFDFN Exposed Pad
Key Features
Package / Case: 8-VFDFN Exposed Pad; Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
L5981 Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics L5981 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
Obsolete
Output Type
Adjustable
Max Input Voltage
18V
Output Current
1A
Switching Frequency
250kHz ~ 1MHz
Number of Outputs
1
Topology
Buck
Alternate Parts Comparison (L5981 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 | 18V | 28V | 5.5V | 28V |
| Min Input Voltage | 2.9V | 4.5V | 2V | 4.5V |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Current | 1A | 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