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| Part Number | ST2041BDR | ST2042BDR | ST2044BDR | ST2051BDR |
|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete |
| Switch Type | General Purpose | General Purpose | General Purpose | General Purpose |
| Number of Outputs | 1 | 2 | 4 | 1 |
| Ratio - Input:Output | 1:1 | 1:2 | 2 x 1:2 | 1:1 |
| Output Configuration | High Side | High Side | High Side | High Side |
| Output Type | N-Channel | N-Channel | N-Channel | N-Channel |
| Interface | On/Off | On/Off | On/Off | On/Off |
| Voltage - Load | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| Voltage - Supply (Vcc/Vdd) | Not Required | Not Required | Not Required | Not Required |
| Current - Output (Max) | 500mA | 500mA | 500mA | 500mA |
| Rds On (Typ) | 80mOhm | 80mOhm | 80mOhm | 80mOhm |
| Input Type | Non-Inverting | Non-Inverting | Non-Inverting | Non-Inverting |
| Features | - | - | - | - |
| Fault Protection | Current Limiting (Fixed), Over Temperature, UVLO | Current Limiting (Fixed), Over Temperature, UVLO | Current Limiting (Fixed), Over Temperature, UVLO | Current Limiting (Fixed), Over Temperature, UVLO |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Supplier Device Package | 8-SOIC | 8-SOIC | 16-SO | 8-SOIC |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |
