Monolithic quad Darlington switch ST L6221AD013TR with 50 volt output voltage and 1.8 amp output current
L6221 Quad Darlington Switch
The L6221 monolithic quad Darlington switch is designed for high current, high voltage switching applications. It features four non-inverting inputs with a common enable control, offering output voltages up to 50 V and output currents up to 1.8 A. The device boasts very low saturation voltage and TTL-compatible inputs, making it suitable for direct connection to logic circuits. Each switch includes an open-collector Darlington transistor and an integral fast recirculation diode for handling inductive loads. The emitters are commoned, and any number of inputs and outputs can be paralleled for increased current handling capability.
Product Attributes
- Brand: STMicroelectronics
- Origin: Not specified
- Material: Not specified
- Color: Not specified
- Certifications: ECOPACK (as per ST's environmental compliance grades)
Technical Specifications
| Order Code | Package | Output Voltage (Max) | Output Current (Max) | Saturation Voltage (Typ) | Logic Supply Voltage |
| E-L6221AS | Power DIP | 50 V | 1.8 A | 1 V (at 0.6 A) | 4.5 - 5.5 V |
| E-L6221AD | SO16+2+2 | 50 V | 1.8 A | 1 V (at 0.6 A) | 4.5 - 5.5 V |
| E-L6221AD013TR | SO16+2+2 (tape and reel) | 50 V | 1.8 A | 1 V (at 0.6 A) | 4.5 - 5.5 V |
| E-L6221C/CD/CN (Obsolete) | Power DIP / SO16+2+2 | 50 V | 1.8 A | 1 V (at 0.6 A) | 4.5 - 5.5 V |
2412091018_ST-L6221AD013TR_C6579613.pdf
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