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| TYPE | DESCRIPTION |
| Mfr | Allegro MicroSystems |
| Series | - |
| Package | Tube |
| Part Status | Obsolete |
| Switch Type | Relay, Solenoid Driver |
| Number of Outputs | 4 |
| Ratio - Input:Output | 1:1 |
| Output Configuration | Low Side |
| Output Type | Bipolar |
| Interface | On/Off |
| Voltage - Load | 60V (Max) |
| Voltage - Supply (Vcc/Vdd) | 4.75V ~ 5.25V |
| Current - Output (Max) | 300mA |
| Rds On (Typ) | - |
| Input Type | Non-Inverting |
| Features | Status Flag |
| Fault Protection | Current Limiting (Fixed), Over Temperature |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Supplier Device Package | 28-PLCC (11.51x11.51) |
| Package / Case | 28-LCC (J-Lead) |
| Base Product Number | A2557 |