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
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
Voltage Start Up
12 V
Alternate Parts Comparison (NCP1239ED65R2G vs NCP1239ED100R2G vs NCP1366BABAYDR2G 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) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Supply Voltage | 8.8V ~ 35V | 8.8V ~ 35V | 6.5V ~ 28V | 28V |
| 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 |
| Topology | Flyback | Flyback | Flyback | Flyback |
| Voltage Start Up | 12 V | 12 V | 18 V | 95 V |
| Switching Frequency | 65kHz | 100kHz | -- | 65kHz, 100kHz |
| Duty Cycle | 80% | 80% | -- | 80% |
| Action |
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