ULN2801A, ULN2802A, ULN2803A, ULN2804A Eight Darlington array Datasheet − production data Features ■ Eight Darlington transistors with common emitters ■ Output current to 500 mA ■ Output voltage to 50 V ■ Integral suppression diodes ■ Versions for all popular logic families ■ Output can be paralleled ■ Inputs pinned opposite outputs to simplify board layout DIP-18 Description convenient input-opposite-output pinout to simplify board layout. The ULN2801A, ULN2802A, ULN2803A and ULN2804A each contain eight Darlington transistors with common emitters and integral suppression diodes for inductive loads. Each Darlington features a peak load current rating of 600 mA (500 mA continuous) and can withstand at least 50 V in the OFF state. Outputs may be paralleled for higher current capability. Four versions are available to simplify interfacing to standard logic families: the ULN2801A is designed for general purpose applications with a current limit resistor; the ULN2802A has a 10.5 kΩ input resistor and Zener for 14-25 V PMOS; the ULN2803A has a 2.7 kΩ input resistor for 5 V TTL and CMOS; the ULN2804A has a 10.5 kΩ input resistor for 6-15 V CMOS. All types are supplied in an 18-lead plastic DIP with a copper lead form and feature the Table 1. Device summary Order codes Package ULN2801A ULN2802A DIP-18 ULN2803A ULN2804A November 2012 This is information on a product in full production. Doc ID 1536 Rev 3 1/14 www.st.com 14 Contents ULN2801A, ULN2802A, ULN2803A, ULN2804A Contents 1 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 Test circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 6 Typical performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 7 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 8 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 2/14 Doc ID 1536 Rev 3 ULN2801A, ULN2802A, ULN2803A, ULN2804A 1 Diagram Figure 1. Schematic diagrams For ULN2801A (each driver for PMOS-CMOS) For ULN2803A (each driver for 5V, TTL/CMOS) Diagram For ULN2802A (each driver for 14-15V PMOS) For ULN2804A (each driver for 6-15V CMOS/PMOS) Doc ID 1536 Rev 3 3/14 Pin configuration 2 Pin configuration Figure 2. Pin connections (top view) 4/14 ULN2801A, ULN2802A, ULN2803A, ULN2804A Doc ID 1536 Rev 3 ULN2801A, ULN2802A, ULN2803A, ULN2804A 3 Maximum ratings Table 2. Absolute maximum ratings Symbol Parameter Maximum ratings Value Unit VO Output voltage 50 V VI Input voltage (for ULN2802A - ULN2803A - ULN2804A) 30 V IC Continuous collector current 500 mA IB Continuous base current 25 mA Power Dissipation (one Darlington pair) 1 PTOT TA TSTG TJ Table 3. Symbol RthJA W Power Dissipation (total package) 2.25 Operating ambient temperature range - 20 to 85 °C Storage temperature range - 55 to 150 °C Junction temperature -20 to 150 °C Thermal data Parameter Thermal resistance junction-ambient Doc ID 1536 Rev 3 Value Unit 55 °C/W 5/14 Electrical characteristics 4 ULN2801A, ULN2802A, ULN2803A, ULN2804A Electrical characteristics TA = 25 °C unless otherwise specified. Table 4. Symbol Electrical characteristics Parameter Test condition Min. Typ. Max. Unit VCE = 50V ICEX Output leakage current Collector-emitter saturation VCE(SAT) voltage (Figure 5) II(ON) Input current (Figure 6) TA = 70°C, VCE= 50V (Figure 3) 50 TA = 70°C for ULN2802A, VCE= 50V, VI = 6V (Figure 4) 100 TA = 70°C for ULN2804A, VCE= 50V, VI = 1V (Figure 4) 500 IC = 100mA, IB = 250µA 0.9 1.1 IC = 200mA, IB= 350µA 1.1 1.3 IC = 350mA, IB= 500µA 1.3 1.6 for ULN2802A, VI = 17V 0.82 1.25 for ULN2803A, VI = 3.85V 0.93 1.35 for ULN2804A, VI = 5V 0.35 0.5 1 1.45 VI(ON) Input current (Figure 7) TA = 70°C, IC = 500µA Input voltage (Figure 8) VCE= 2V, for ULN2802A IC = 300mA for ULN2803A IC = 200mA IC = 250mA IC = 300mA for ULN2804A IC = 125mA IC = 200mA IC = 275mA IC = 350mA hFE DC Forward current gain (Figure 5) CI Input capacitance tPLH Turn-on delay time tPHL for ULN2801A, VCE = 2V, IC = 350mA V mA VI = 12V II(OFF) µA 50 65 µA 13 2.4 2.7 3 V 5 6 7 8 1000 15 25 pF 0.5 VI to 0.5VO 0.25 1 µs Turn-off delay time 0.5 VI to 0.5VO 0.25 1 µs Clamp diode leakage current (Figure 9) VR = 50V 50 IR TA = 70°C, VR = 50V 100 VF Clamp diode forward voltage (Figure 10) 6/14 IF = 350mA Doc ID 1536 Rev 3 µA 1.7 2 V ULN2801A, ULN2802A, ULN2803A, ULN2804A Test circuits 5 Test circuits Figure 3. Output leakage current Figure 5. Collector-emitter saturation voltage Figure 6. Input current (ON) Figure 7. Input current (OFF) Input voltage Figure 4. Figure 8. Doc ID 1536 Rev 3 Output leakage current (for ULN2802A only) 7/14 Test circuits Figure 9. 8/14 ULN2801A, ULN2802A, ULN2803A, ULN2804A Clamp diode leakage current Figure 10. Clamp diode forward voltage Doc ID 1536 Rev 3 ULN2801A, ULN2802A, ULN2803A, ULN2804A 6 Typical performance characteristics Typical performance characteristics Figure 11. Collector current as a function of saturation voltage Figure 12. Collector current as a function of input current Figure 13. Allowable average power dissipation as a function of TA Figure 14. Peak collector current as a function of duty cycle Figure 15. Peak collector current as a function Figure 16. Input current as a function of input of duty cycle voltage (for ULN2802A) Doc ID 1536 Rev 3 9/14 Typical performance characteristics ULN2801A, ULN2802A, ULN2803A, ULN2804A Figure 17. Input current as a function of input Figure 18. Input current as a function of input voltage (for ULN2804A) voltage (for ULN2803A) 10/14 Doc ID 1536 Rev 3 ULN2801A, ULN2802A, ULN2803A, ULN2804A 7 Package mechanical data Package mechanical data In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK® is an ST trademark. Doc ID 1536 Rev 3 11/14 Package mechanical data Table 5. ULN2801A, ULN2802A, ULN2803A, ULN2804A DIP-18 mechanical data mm. Dim. Min. a1 0.254 B 1.39 Typ. 1.65 b 0.46 b1 0.25 D 23.24 E 8.5 e 2.54 e3 20.32 F 7.1 I 3.93 L 3.3 Z 1.27 Figure 19. DIP-18 package dimensions 12/14 Max. Doc ID 1536 Rev 3 1.59 ULN2801A, ULN2802A, ULN2803A, ULN2804A 8 Revision history Revision history Table 6. Document revision history Date Revision Changes 18-Sep-2003 1 First release 10-Mar-2010 2 Updated package mechanical data 19-Nov-2012 3 Modified input voltage values Table 4 on page 6. Doc ID 1536 Rev 3 13/14 ULN2801A, ULN2802A, ULN2803A, ULN2804A Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no liability whatsoever relating to the choice, selection or use of the ST products and services described herein. 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