STMicroelectronics ST1S40IDR Microcontrollers
4A DC-DC Step-Down Regulator, 18V, 850kHz, SOIC

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ST1S40IDR
Detailed Description
4A DC-DC Step-Down Regulator, 18V, 850kHz, SOIC
Package
8-SOIC (0.154", 3.90mm Width)
Lifecycle Status
Active
Datasheet
ST1S40IDR Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics ST1S40IDR Microcontrollers technical specifications.
General
Package / Case
8-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 150°C (TJ)
Lifecycle Status
Active
Output Type
Adjustable
Max Input Voltage
18V
Output Current
3A
Switching Frequency
850kHz
Number of Outputs
1
Topology
Buck
Alternate Parts Comparison (ST1S40IDR vs STM8S001J3M3TR vs TL082CDT vs TL082IDT)
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-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 125°C (TA) | 0°C ~ 70°C | -40°C ~ 105°C |
| Switching Frequency | 850kHz | -- | -- | -- |
| Function | Step-Down | -- | -- | -- |
| Max Input Voltage | 18V | -- | -- | -- |
| Min Input Voltage | 4V | -- | -- | -- |
| Number of Outputs | 1 | -- | -- | -- |
| Output Configuration | Positive | -- | -- | -- |
| Output Current | 3A | -- | -- | -- |
| Output Type | Adjustable | -- | -- | -- |
| Output Voltage | 0.8V | -- | -- | -- |
| Action |
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