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Part Number: MC33385
Description: The MC33385 is a Quad Low Side Driver fully protected switch. This device is a general purpose Low Sid...
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MC33385
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DataSheet
General Description
MC33385 General Description
The MC33385 is a Quad Low Side Driver fully protected switch. This device is a general purpose Low Side Driver but has been especially designed to operate in engine management application as injector driver or automotive gear box. It is interfaced directly with a microcontroller for parallel control of the load and the individual output diagnostic is done through a SPI. The diagnostic logic recognizes 4 failure types at each output stage the overcurrent, the short to GND, the openload and the over-temperature.
MC33385 Maximum Ratings
| Ratings | Symbols | Min | Max | Unit |
| Voltage Range | Vcc | - 0.3 | 7 | V |
| Continuous Output Voltage (With no reverse current) |
Vout | - 0.3 | 45 | V |
| Continuous Current | Ioutc | 2.5 | A | |
| Peak Output Current | Ioutp | - 10 | ISCBmax | A |
| Clamped Energy at the Switching OFF (See figure 6) |
WOFF | 70 | mJ for 1ms | |
| Input Voltage (Inputs) | VIN | - 0.3 | Vcc + 0.3 | V |
| Input Protection Diode Current | IIN | - 20 | 1 | mA |
| Input Voltage (Outputs) | Vo | - 0.3 | Vcc + 0.3 | V |
| Input Protection Diode Current | Io | - 20 | 1 | mA |
| Operating Junction Temperature | Tj | - 40 | 150 | °C |
| Thermal Resistance : Junction-case (One powerstage in use) |
Rthjc | 4.5 | K/W | |
| Thermal Resistance : Junction-ambient (Device soldered onprinted circuit board) |
Rthja | 50 | K/W |
MC33385 Features
• RDSON of 250mW per Output at 25°C
• Supplied from the main 5V Vcc
• Input CMOS Compatible
• Diagnostic through SPI
• Nominal Current of 2A per Output
• Current Limitation at 3A with Automatic Turn Off
• Output Internally Clamped at 50V typ for Inductive Load Drive
• Junction to Case Thermal Resistance of 4.4°C/W
• Individual Output over Temperature Shutdown
• Supplied from the main 5V Vcc
• Input CMOS Compatible
• Diagnostic through SPI
• Nominal Current of 2A per Output
• Current Limitation at 3A with Automatic Turn Off
• Output Internally Clamped at 50V typ for Inductive Load Drive
• Junction to Case Thermal Resistance of 4.4°C/W
• Individual Output over Temperature Shutdown
MC33385 Connection Diagram
MC33385
PDF/DataSheet Download
- Datasheet: MC33385
- File Size: 268351 KB
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