STMicroelectronics AST1S31PUR DC DC Switching Regulators
IC REG BUCK ADJ 3A 8VFDFPN
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
AST1S31PUR
Detailed Description
IC REG BUCK ADJ 3A 8VFDFPN
Package
8-VDFN Exposed Pad
Key Features
Package / Case: 8-VDFN Exposed Pad; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
AST1S31PUR Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics AST1S31PUR DC DC Switching Regulators technical specifications.
General
Package / Case
8-VDFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 150°C (TJ)
Output Type
Adjustable
Max Input Voltage
4V
Output Current
3A
Switching Frequency
1.5MHz
Number of Outputs
1
Topology
Buck
Output Configuration
Positive
Alternate Parts Comparison (AST1S31PUR vs AST1S31HF vs ST1S10PUR vs ST1S40IPUR)
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-VDFN Exposed Pad | 8-VDFN Exposed Pad | 8-VDFN Exposed Pad | 8-VDFN 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 ~ 125°C (TJ) | -40°C ~ 150°C (TJ) |
| Switching Frequency | 1.5MHz | 2.3MHz | 900kHz | 850kHz |
| Function | Step-Down | Step-Down | Step-Down | Step-Down |
| Max Input Voltage | 4V | 4V | 18V | 18V |
| Min Input Voltage | 2.8V | 2.8V | 2.5V | 4V |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Current | 3A | 3A | 3A | 3A |
| Output Type | Adjustable | Adjustable | Adjustable | Adjustable |
| Output Voltage | 0.8V | 0.8V | 0.8V | 0.8V |
| Action |
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