onsemi NCP81239AMNTXG Microcontrollers
Switching Controller

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
NCP81239AMNTXG
Detailed Description
Switching Controller
Package
32-VFQFN Exposed Pad
Lifecycle Status
Not For New Designs
Datasheet
NCP81239AMNTXG Datasheet
Quick Jump:
Technical Specifications
onsemi NCP81239AMNTXG Microcontrollers technical specifications.
General
Package / Case
32-VFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 100°C
Supply Voltage
4.5V ~ 28V
Lifecycle Status
Not For New Designs
Switching Frequency
150kHz ~ 1.2MHz
Synchronous Rectifier
No
Clock Sync
Yes
Serial Interfaces
I2C
Output Type
PWM Signal
Alternate Parts Comparison (NCP81239AMNTXG vs NCP500SN33T1G vs NCP718ASN180T1G vs NCP45525IMNTWG-L)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 32-VFQFN Exposed Pad | SOT-23-5 Thin, TSOT-23-5 | SOT-23-5 Thin, TSOT-23-5 | 8-VFDFN Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 100°C | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TJ) | -40°C ~ 85°C (TA) |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Configuration | Positive | Positive | Positive | High Side |
| Output Type | PWM Signal | Fixed | Fixed | N-Channel |
| Number of Pins | -- | 5 | 5 | -- |
| Number of Channels | -- | 1 | 1 | -- |
| Lifecycle Status | Not For New Designs | Production | Production | Obsolete |
| China ROHS | -- | Compliant | Compliant | -- |
| Control Features | Current Limit, Enable, Frequency Control, On Time Control, Ramp, Soft Start | Enable | Soft Start | -- |
| Current Supply Max | -- | 300 µA | 300 µA | -- |
| Action |
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