STMicroelectronics AST1S31HF Microcontrollers
Up to 4 V, 3 A step-down 2.3 MHz switching regulator for automotive applications
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
AST1S31HF
Detailed Description
Up to 4 V, 3 A step-down 2.3 MHz switching regulator for automotive applications
Package
8-VDFN Exposed Pad
Lifecycle Status
Active
Datasheet
AST1S31HF Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics AST1S31HF Microcontrollers 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
2.3MHz
Number of Outputs
1
Topology
Buck
Output Configuration
Positive
Alternate Parts Comparison (AST1S31HF vs AST1S31PUR vs STM32G030F6P6TR vs STM8S003F3P6TR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40 °C ~ 85 °C | -40 °C ~ 85 °C |
| Mounting Type | Surface Mount | Surface Mount | -- | Surface Mount |
| Package / Case | 8-VDFN Exposed Pad | 8-VDFN Exposed Pad | -- | -- |
| Switching Frequency | 2.3MHz | 1.5MHz | -- | -- |
| Function | Step-Down | Step-Down | -- | -- |
| Max Input Voltage | 4V | 4V | -- | -- |
| Min Input Voltage | 2.8V | 2.8V | -- | -- |
| Number of Outputs | 1 | 1 | -- | -- |
| Output Configuration | Positive | Positive | -- | -- |
| Output Current | 3A | 3A | -- | -- |
| Output Type | Adjustable | Adjustable | -- | -- |
| Output Voltage | 0.8V | 0.8V | -- | -- |
| Action |
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