STMicroelectronics VIPER12AS-E AC DC Converters, Offline Switchers
IC OFFLINE SWITCH 8SOIC

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
VIPER12AS-E
Detailed Description
IC OFFLINE SWITCH 8SOIC
Package
8-SOIC (0.154", 3.90mm Width)
Key Features
Package / Case: 8-SOIC (0.154", 3.90mm Width); Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
VIPER12AS-E Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics VIPER12AS-E AC DC Converters, Offline Switchers technical specifications.
General
Package / Case
8-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 150°C (TC)
Supply Voltage
9V ~ 38V
Voltage Breakdown
730V
Power Watts
8 W
Internal Switch S
Yes
Switching Frequency
60kHz
Output Isolation
Non-Isolated
Voltage Start Up
14.5 V
Alternate Parts Comparison (VIPER12AS-E vs VIPER265KDTR vs VIPER115HSTR vs VIPER22AS-E)
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 | 8-SOIC |
| 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 (TC) |
| Supply Voltage | 9V ~ 38V | 11.5V ~ 23.5V | 4.5V ~ 30V | 8V ~ 38V |
| Switching Frequency | 60kHz | 60kHz | 120kHz | 60kHz |
| Fault Protection | Current Limiting, Over Temperature, Over | Current Limiting, Over Load, Short Circuit | Current Limiting, Over Load, Over Voltage, Short Circuit | Current Limiting, Over Temperature, Over |
| Internal Switch S | Yes | Yes | Yes | Yes |
| Output Isolation | Non-Isolated | Either | Non-Isolated | Isolated |
| Power Watts | 8 W | 20 W | 12 W | 7 W |
| Voltage Breakdown | 730V | 1050V | 800V | 730V |
| Voltage Start Up | 14.5 V | 13 V | 16 V | 14.5 V |
| Topology | -- | Buck, Buck-Boost, Flyback | Buck, Buck-Boost, Flyback | Flyback |
| Action |
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