STMicroelectronics VIPER12AS Microcontrollers
0.48A SWITCHING REGULATOR, 66kHz SWITCHING FREQ-MAX, PDSO8, SO-8

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
VIPER12AS
Detailed Description
0.48A SWITCHING REGULATOR, 66kHz SWITCHING FREQ-MAX, PDSO8, SO-8
Package
8-SOIC (0.154", 3.90mm Width)
Lifecycle Status
Obsolete
Datasheet
VIPER12AS Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics VIPER12AS Microcontrollers technical specifications.
General
Series
VIPER™
Package / Case
8-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 150°C (TC)
Supply Voltage
9V ~ 38V
Lifecycle Status
Obsolete
Switching Frequency
60kHz
Power Watts
8 W
Fault Protection
Current Limiting, Over Temperature, Over
Output Isolation
Non-Isolated
Alternate Parts Comparison (VIPER12AS vs VIPER265KDTR vs VIPER115HSTR vs VIPER013BLSTR)
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 | 16-SOIC | 10-SOP | 10-SOP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 150°C (TC) | -40°C ~ 150°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 150°C (TJ) |
| Supply Voltage | 9V ~ 38V | 11.5V ~ 23.5V | 4.5V ~ 30V | 4.5V ~ 30V |
| Switching Frequency | 60kHz | 60kHz | 120kHz | 60kHz |
| Control Features | -- | EN, Soft Start | Soft Start | EN, Soft Start |
| Duty Cycle | -- | 80% | 80% | 80% |
| Fault Protection | Current Limiting, Over Temperature, Over | Current Limiting, Over Load, Short Circuit | Current Limiting, Over Load, Over Voltage, Short Circuit | Current Limiting, Over Load, Over Voltage, Short Circuit |
| Internal Switch S | Yes | Yes | Yes | Yes |
| Output Isolation | Non-Isolated | Either | Non-Isolated | Either |
| Power Watts | 8 W | 20 W | 12 W | 8 W |
| Topology | -- | Buck, Buck-Boost, Flyback | Buck, Buck-Boost, Flyback | Buck, Buck-Boost, Flyback |
| Action |
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