onsemi NCP1239BD65R2G Microcontrollers
Fixed Frequency Current Mode Controller for Flyback Converter with HV startup, 2500-REEL
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
NCP1239BD65R2G
Detailed Description
Fixed Frequency Current Mode Controller for Flyback Converter with HV startup, 2500-REEL
Package
8-SOIC (0.154", 3.90mm Width), 7 Leads
Lifecycle Status
Active
Datasheet
NCP1239BD65R2G Datasheet
Quick Jump:
Technical Specifications
onsemi NCP1239BD65R2G Microcontrollers technical specifications.
General
RoHS
Yes
Package / Case
8-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C (TJ)
Supply Voltage
8.8V ~ 35V
Lifecycle Status
Active
Internal Switch S
No
Switching Frequency
65kHz
Output Isolation
Isolated
Topology
Flyback
Alternate Parts Comparison (NCP1239BD65R2G vs NCP1366BABAYDR2G vs NCP10672BD100R2G vs NCP12401CBEAB0DR2G)
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 ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | 150°C (TJ) | -40°C ~ 125°C (TJ) |
| Supply Voltage | 8.8V ~ 35V | 6.5V ~ 28V | 6.7V ~ 20V | 28V |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Active |
| Fault Protection | Current Limiting, Over Load, Over Temperature, Over | Current Limiting, Over Voltage, Short Circuit | Current Limiting, Over Load, Over Voltage, Short Circuit | Current Limiting, Over Load, Over Temperature, Over Voltage, Short Circuit |
| Internal Switch S | No | No | Yes | Yes |
| Output Isolation | Isolated | Isolated | Either | Non-Isolated |
| Package | SOIC-7 | SOIC-7 | SOIC-8 | SOIC-7 |
| Topology | Flyback | Flyback | Buck, Buck-Boost, Flyback | Flyback |
| Voltage Start Up | 12 V | 18 V | 9 V | 95 V |
| 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 .
This part is listed as a cross for
NCP1238BD65R2GonsemiSimilaronsemi
Pin YesPkg YesElec Mixed
Converter Offline Flyback Topology 65kHz 7-SOIC
NCP1216D65R2GonsemiSimilaronsemi
Pin NoPkg NoElec Mixed
Converter Offline Flyback Topology 65kHz 8-SOIC
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
NCP1239AD100R2GonsemiFixed Frequency Current Mode Controller for Flyback Converter with HV startup, 2500-REEL
NCP1239CD65R2GonsemiFixed Frequency Current Mode Controller for Flyback Converter with HV startup, 2500-REEL
NCP1239DD65R2GonsemiFixed Frequency Current Mode Controller for Flyback Converter with HV startup, 2500-REEL
NCP1239FD65R2GonsemiFixed Frequency Current Mode Controller for Flyback Converter with HV startup, 2500-REEL