onsemi NCP1234AD65R2G Microcontrollers
Controller, Fixed Frequency, Current Mode, for Flyback Converters, SOIC 7 CASE OUTLINE, 2500-REEL
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
NCP1234AD65R2G
Detailed Description
Controller, Fixed Frequency, Current Mode, for Flyback Converters, SOIC 7 CASE OUTLINE, 2500-REEL
Package
8-SOIC (0.154", 3.90mm Width), 7 Leads
Lifecycle Status
Active
Datasheet
NCP1234AD65R2G Datasheet
Quick Jump:
Technical Specifications
onsemi NCP1234AD65R2G Microcontrollers technical specifications.
General
RoHS
Yes
Package / Case
8-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 150°C (TJ)
Supply Voltage
9.5V ~ 28V
Lifecycle Status
Active
Internal Switch S
No
Switching Frequency
65kHz
Output Isolation
Isolated
Topology
Flyback
Alternate Parts Comparison (NCP1234AD65R2G 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 ~ 150°C (TJ) | -40°C ~ 125°C (TJ) | 150°C (TJ) | -40°C ~ 125°C (TJ) |
| Supply Voltage | 9.5V ~ 28V | 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 | 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 .
Suggested replacements
NCP1234AD100R2GonsemiSimilaronsemi
Pin YesPkg YesElec Mixed
Converter Offline Flyback Topology 100kHz 7-SOIC
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