ULN2068B is designed to interface logic to a wide variety of high current, high voltage loads, this device contains four NPN Darlington switches delivering up to 1.5 A with a specified minimum breakdown of 50 V and a sustaining voltage of 35 V measured at 100 mA. The ULN2068B contains integral suppression diodes for inductive loads that have common emitters.
The ULN2068B feature isolated Darlington pinouts and is intended for applications such as emitter follower configurations. The input of the ULN2068B is compatible with popular 5 V logic families. Type ULN2068B includes a pre-driver stage to reduce loading on the control logic.
Features
- Output current to 1.5 A for each Darlington
- Minimum breakdown 50 V
- Sustaining voltage at least 35 V
ULN2068 Pinout
ULN2068 Pin Configuration
| Pin No | Pin Name | Description |
|---|---|---|
| 1 | K | Output Pin K |
| 2 | C | Input Pin C |
| 3 | B | Input Pin B |
| 4 | GND | Ground Pin |
| 5 | GND | Ground Pin |
| 6 | B | Input Pin B |
| 7 | C | Input Pin E |
| 8 | K | Output Pin K |
| 9 | C | Output Pin C |
| 10 | NC | No Connection |
| 11 | B | Input Pin B |
| 12 | GND | Ground Pin |
| 13 | GND | Ground Pin |
| 14 | B | Input Pin B |
| 15 | NC | No Connection |
| 16 | C | Output Pin C |
Technical Specifications
| Physical | |
| Case/Package | PDIP |
| Mount | Through Hole |
| Number of Pins | 16 |
| Technical | |
| Collector-Emitter Breakdown Voltage | 50 V |
| Collector-Emitter Saturation Voltage | 1.4 V |
| Collector-Emitter Voltage (VCEO) | 50 V |
| Continuous Collector Current | 1.75 A |
| Current Rating | 1.5 A |
| Emitter Base Voltage (VEBO) | 50 V |
| Max Collector Current | 1.75 A |
| Max Input Voltage | 15 V |
| Max Operating Temperature | 85 °C |
| Max Output Voltage | 50 V |
| Max Power Dissipation | 4.3 W |
| Min Operating Temperature | -20 °C |
| Number of Channels | 4 |
| Number of Elements | 4 |
| Output Current | 1.5 A |
| Output Voltage | 50 V |
| Polarity | NPN |
| Voltage Rating (DC) | 50 V |
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