STMicroelectronics VIPER28HN AC DC Converters, Offline Switchers
Converter Offline Flyback Topology 115kHz 7-DIP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
VIPER28HN
Detailed Description
IC OFFLINE SWITCH FLYBACK 7DIP
Package
8-DIP (0.300", 7.62mm), 7 Leads
Key Features
Package / Case: 8-DIP (0.300", 7.62mm), 7 Leads; Mounting Type: Through Hole
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
VIPER28HN Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics VIPER28HN AC DC Converters, Offline Switchers technical specifications.
General
Series
VIPer™ plus
RoHS
Yes
Package / Case
8-DIP
Mounting Type
Through Hole
Operating Temperature
-40°C ~ 150°C (TJ)
Supply Voltage
8.5V ~ 23.5V
Lifecycle Status
Active
Voltage Breakdown
800V
Power Watts
16 W
Internal Switch S
Yes
Alternate Parts Comparison (VIPER28HN vs VIPER25LN vs VIPER25HN vs VIPER15LN)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Series | VIPer™ plus | VIPer™ plus | VIPer™ plus | VIPer™ plus |
| Package / Case | 8-DIP | 8-DIP | 8-DIP | 8-DIP |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole |
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) |
| Supply Voltage | 8.5V ~ 23.5V | 8.5V ~ 23.5V | 8.5V ~ 23.5V | 8.5V ~ 23.5V |
| Switching Frequency | 115kHz | 136kHz | 225kHz | 136kHz |
| Lifecycle Status | Active | Obsolete | Obsolete | Obsolete |
| Fault Protection | Current Limiting, Over Temperature, Over Voltage, Short Circuit | Current Limiting, Over Temperature, Over | Current Limiting, Over Temperature, Over | Current Limiting, Over Temperature, Over |
| Internal Switch S | Yes | Yes | Yes | Yes |
| Output Isolation | Isolated | Isolated | Isolated | Isolated |
| Power Watts | 16 W | 20 W | 20 W | 10 W |
| Topology | Flyback | Flyback | Flyback | Flyback |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
NCP1076BBP100GonsemiSimilaronsemi
Pin NoPkg NoElec Mixed
Enhanced Off line Switcher for Robust and Highly Efficient Power Supplies, 50-TUBE
NCP1077BBP100GonsemiSimilaronsemi
Pin NoPkg NoElec Mixed
Converter Offline Flyback Topology 100kHz 8-PDIP
More Parts in AC DC Converters and Offline Switchers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
