Allegro MicroSystems A4490EESTR-T Microcontrollers
DC/DC Controller, 34V In, 30.6V Out, 1.5A, QFN EP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
A4490EESTR-T
Detailed Description
DC/DC Controller, 34V In, 30.6V Out, 1.5A, QFN EP
Package
20-WFQFN Exposed Pad
Lifecycle Status
Active
Datasheet
A4490EESTR-T Datasheet
Quick Jump:
Technical Specifications
Allegro MicroSystems A4490EESTR-T Microcontrollers technical specifications.
General
Package / Case
20-WFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Lifecycle Status
Active
Output Type
Adjustable
Max Input Voltage
34V
Switching Frequency
550kHz
Number of Outputs
3
Topology
Buck
Output Configuration
Positive
Alternate Parts Comparison (A4490EESTR-T vs NL27WZ17DBVT1G vs AMT49406GESSR vs A4988SETTR-T)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 20-WFQFN Exposed Pad | SC-74, SOT-457 | 24-WFQFN Exposed Pad | 28-VFQFN Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -55°C ~ 125°C (TA) | -40°C ~ 105°C (TA) | -20°C ~ 150°C (TJ) |
| Lifecycle Status | Active | Active | Active | Active |
| Function | Step-Down | -- | Controller - Commutation, Direction Management | Driver - Fully Integrated, Control and Power Stage |
| Output Configuration | Positive | -- | Half Bridge (3) | Half Bridge (4) |
| Supply Voltage | -- | 1.65V ~ 5.5V | 5.5V ~ 50V | 3V ~ 5.5V |
| Action |
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