STMicroelectronics ST1S40IPUR DC DC Switching Regulators
IC REG BUCK ADJ 3A 8VFQFPN
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ST1S40IPUR
Detailed Description
Advanced STMicroelectronics ST1S40IPUR DC for precision electronics.
Package
8-VDFN Exposed Pad
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
ST1S40IPUR Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics ST1S40IPUR 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
18V
Output Current
3A
Switching Frequency
850kHz
Number of Outputs
1
Topology
Buck
Output Configuration
Positive
Alternate Parts Comparison (ST1S40IPUR vs ST1S10PUR vs ST1S41PUR vs ST8R00WPUR)
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 ~ 125°C (TJ) | -40°C ~ 150°C (TJ) | -25°C ~ 125°C (TJ) |
| Switching Frequency | 850kHz | 900kHz | 850kHz | 1.2MHz |
| Function | Step-Down | Step-Down | Step-Down | Step-Up |
| Max Input Voltage | 18V | 18V | 18V | 6V |
| Min Input Voltage | 4V | 2.5V | 4V | 4V |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Current | 3A | 3A | 4A | 3A (Switch) |
| Output Type | Adjustable | Adjustable | Adjustable | Adjustable |
| Output Voltage | 0.8V | 0.8V | 0.8V | 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.