onsemi NCP1239ED65R2G 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)
NCP1239ED65R2G
Base Model
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
NCP1239ED65R2G Datasheet
Quick Jump:
Technical Specifications
onsemi NCP1239ED65R2G 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
Related Parts Comparison (NCP1239ED65R2G vs NCP1239ED100R2G vs NCP1366BABAYDR2G vs NCP12401CBEAB0DR2G)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| 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) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Supply Voltage | 8.8V ~ 35V | 8.8V ~ 35V | 6.5V ~ 28V | 28V |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Active |
| Fault Protection | Current Limiting, Over Load, Over Temperature, Over | Current Limiting, Over Load, Over Temperature, Over | Current Limiting, Over Voltage, Short Circuit | Current Limiting, Over Load, Over Temperature, Over Voltage, Short Circuit |
| Internal Switch S | No | No | No | Yes |
| Output Isolation | Isolated | Isolated | Isolated | Non-Isolated |
| Package | SOIC-7 | SOIC-7 | SOIC-7 | SOIC-7 |
| Topology | Flyback | Flyback | Flyback | Flyback |
| Voltage Start Up | 12 V | 12 V | 18 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
Similaronsemi
Pin NoPkg NoElec Mixed
IC OFFLINE SWITCH FLYBACK 16TQFN
Similaronsemi
Pin NoPkg NoElec Mixed
Converter Offline Forward Topology Up to 250kHz 16-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.