ULN2064B Quad Darlington Switch 16 Pin DIP Package
The ULN2064B is a high-voltage, high-current Darlington array designed to interface low-level logic with a wide variety of peripheral loads. This robust device contains four NPN Darlington switches capable of delivering up to 1.5 A per channel. It is ideal for driving loads such as relays, solenoids, DC and stepper motors, and other high-current devices. The inputs of the ULN2064B are compatible with popular 5 V logic families, making it a versatile component for many electronic projects. For protection against inductive loads, this device features integral suppression diodes.
Features
- High Output Current: Delivers up to 1.5 A for each Darlington channel.
- High Voltage Outputs: Minimum breakdown voltage of 50 V and a sustaining voltage of at least 35 V.
- Integral Suppression Diodes: Protects against voltage spikes from inductive loads.
- Logic Compatibility: Inputs are compatible with popular 5 V logic families like TTL and CMOS.
- Package: DIP-16 package.
- Configuration: Quad NPN Darlington Transistors.
Pin configuration
Specifications
| Parameter | Value |
|---|---|
| Output Voltage (VCEX) | 50 V |
| Output Sustaining Voltage (VCE(SUS)) | 35 V |
| Output Current (Io) | 1.75 A |
| Input Voltage (Vi) | 15 V |
| Input Current (Ii) | 25 mA |
| Power Dissipation (Ptot) at TPINS = 90 °C | 4.3 W |
| Power Dissipation (Ptot) at TAMB = 70 °C | 1 W |
| Operating Ambient Temperature Range (TAMB) | -20 to 85 °C |
| Storage Temperature (TSTG) | -55 to 150 °C |
| Package | PowerDIP-16 |
Applications
- Driving relays and solenoids.
- Controlling DC and stepper motors.
- Powering magnetic print hammers.
- Driving multiplexed LED and incandescent displays.
- Controlling heaters and other similar loads.
- Battery monitor circuits.
- Mobile charger circuits.
- Power bank circuits.
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