Functional Arrays Relay drivers DRDC3105E6
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Functional Arrays Relay drivers DRDC3105E6 - 1

A Product Line of Diodes Incorporated DRDC3105 INTEGRATED RELAY, INDUCTIVE LOAD DRIVER The DRDC3105 is an integrated solid-state DC relay driver that can switch inductive loads. It provides a robust driver interface by acting as a buffer stage between sensitive logic circuits and that of 3V to 6V DC inductive relay coils. With a low input drive current requirement, the DRDC3105 only has slight loading on the input circuitry and it will provide good transient isolation between output and input channels. The output switch is guaranteed by design to go open-circuit and fall into the off-state condition when input drive is lost or disconnected. In the industry standard SOT23 and SOT26, the DRDC3105 comes as a single or dual die which can replace three to six individual discrete components within a single integrated package, including a Zener across the output. The Zener will clamp at 6.6V to sink inductive currents to ground which will reduce EMI noise in the system. By integrating the Zener, the DRDC3105 eliminates the need for an external free-wheeling diode and allows the driving of inductive loads such as relays, solenoids, incandescent lamps, and small DC motors in: Automotive: 5.0 V Driven Relays, Lamp Drivers, Motor Controls Telecom equipment: Modems, DSL, Cable (EMTA), Line Cards, IP-PBX, Analog Terminal Adaptors, End User Telecom Equipment Desktop Computers, Printers, Photocopiers LCD & Plasma TVs, Set Top Boxes Consumer Appliances, White Goods, Automated Door Control Industrial Equipment Inc. Process Control, ATE equipment Solar Inverters Inductive load driver capable of driving 3 to 6V DC coils Optimized to switch inductive loads from supply of 3 to 5V with the capability to drive coils up to 2.5W from a 5V rail Fully integrated into a single SOT23 or dual SOT26 package to minimize footprint area and reduce number of components Includes Zener across output to reduce EMI noise Internal low saturation BJT to reduce power dissipation in driving high currents into the coil Output guaranteed to be in off-state condition during no input Near – Zero quiescent supply current in off-state condition with minimal leakage Rugged design and inherently robust by using solid-state BJT technology integrated into a single die ESD Protected up to 1kV on Human Body Model (HBM) Totally Lead-Free & Fully RoHS compliant (Notes 1 & 2) Halogen and Antimony Free. "Green" Device (Note 3) Qualified to AEC-Q101 Standards for High Reliability Mechanical Data Case: SOT23 & SOT26 Case material: “Green” plastic molding compound (Note 2) UL Flammability Rating 94V-0 Moisture Sensitivity: Level 1 per J-STD-020 Terminals: Finish – Matte Tin Plated Leads, Solderable per MIL-STD-202, Method 208 Weight: SOT23 = 0.008 grams (Approximate) SOT26 = 0.018 grams (Approximate) SOT26 Ordering Information (Note 4) Product DRDC3105F-7 DRDC3105E6-7 Notes: Reel size (inches) 7 7 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. 2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen and Antimony free, "Green" and Lead-Free. 3. Halogen and Antimony free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds. 4. For packaging details, go to our website at http://www.diodes.com/products/packages.html. Marking Information 1R6 = SOT23, Product Type Marking Code 3105 = SOT26, Product Type Marking Code March 2013 © Diodes Incorporated

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Functional Arrays Relay drivers DRDC3105E6 - 2

A Product Line of Diodes Incorporated DRDC3105 Internal Device Schematic Maximum Ratings (@TA = +25°C, unless otherwise specified.) Characteristic Supply Voltage Input Voltage (Forward) Input Voltage (Reverse) Output Sink Continuous Current Repetitive Pulse Zener Energy Limit (Duty Cycle 0.01%) Symbol VCC VIN(FWD) VIN(REV) IO Ezpk Thermal Characteristics for DRDC3105F (SOT23) (@TA = +25°C, unless otherwise specified.) Characteristic Power Dissipation Thermal Resistance, Junction to Ambient Thermal Resistance, Junction to Leads Operating and Storage Temperature Range Symbol (Note 5) (Note 6)...

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Functional Arrays Relay drivers DRDC3105E6 - 3

A Product Line of Diodes Incorporated DRDC3105 Electrical Characteristics (@TA = +25°C, unless otherwise specified.) Characteristic OFF CHARACTERISTICS Output Zener Breakdown Voltage Output Leakage Current @ 0 Input Voltage “ON” state input voltage (Note 13) “OFF” State Input Voltage (Note 14) ON CHARACTERISTICS Input Bias Current (HFE Limited) Output Saturation Voltage Output Sink Current – Continuous SWITCHING CHARACTERISTICS (Refer to Figure 1) Propagation Delay Times: High to Low Propagation Delay; (5.0V 74HC04) Low to High Propagation Delay; (5.0V 74HC04) High to Low Propagation Delay;...

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Functional Arrays Relay drivers DRDC3105E6 - 4

A Product Line of Diodes Incorporated DRDC3105 Typical Electrical Characteristics (@TA = +25°C, unless otherwise specified.) HFE, TRANSISTOR DC CURRENT GAIN 10 100 IO, OUTPUT SINK CURRENT (mA) Figure 3. Input V-I Requirement Compared to Possible Source Logic Outputs Figure 2. Transistor DC Current Gain Figure 4. Threshold Effects Vout, OUTPUT VOLTAGE (Vdc) Figure 5. Transistor Output V-I Characteristic Iout, OUTPUT CURRENT (mA) VZ, ZENER CLAMP VOLTAGE (V) Figure 6. Output Saturation Voltage versus Iout/Iin Figure 7. Zener Clamp Voltage versus Zener Current March 2013 © Diodes Incorporated

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Functional Arrays Relay drivers DRDC3105E6 - 5

A Product Line of Diodes Incorporated OUTPUT LEAKAGE CURRENT (nA) OUTPUT LEAKAGE CURRENT (nA) Figure 9. Output Leakage Current versus Supply Voltage Figure 8. Output Leakage Current versus Temperature 1 ºCONTINUOUS DUTY TA = 25°C º = TRANSISTOR PC THERMAL LIMIT * = MAX L/R FROM ZENER PULSED ENERGY LIMIT (REFER TO FIGURE 11) Figure 10. Safe Operating Area March 2013 © Diodes Incorporated

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Functional Arrays Relay drivers DRDC3105E6 - 6

A Product Line of Diodes Incorporated 100k TA = 25°C Emax = 50mJ L/R = 2 * Emax (Vzpk * Izpk) Rth, Transient Thermal Response Figure 11. Zener Repetitive Pulse Energy Limit on L/R Time Constant D = 0.5 SINGLE PULSE Figure 12. Transient Thermal Response March 2013 © Diodes Incorporated

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