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SDD450 DC Input Photo-Darlington Optocoupler DESCRIPTION The SDD450 consists of a Photo Darlington transistor optically coupled to a light emitting diode. Optical coupling between the input LED and output Photo Darlington allows for high isolation levels while maintaining low-level DC signal control capability. The SDD450 provides an optically isolated method of controlling many interface applications such as telecommunications, industrial control and instrumentation circuitry. FEATURES APPLICATIONS • High current transfer ratio (CTR:MIN 600%) • Home Appliances • High input-to-output isolation voltage (3,750 Vrms) • Office Automation Equipment • Ultra-miniature 4 pin SOP package • Telecom / Datacom • High Load Voltage (Vceo = 300V MIN) • Power Supplies • Fax / Modems OPTIONS/SUFFIXES* • -TR ABSOLUTE MAXIMUM RATINGS* PARAMETER UNIT MIN Storage Temperature °C -40 125 Operating Temperature °C -40 100 Continuous Input Current mA 50 Transient Input Current A 1 Reverse Input Control Voltage V 6 mW 170 Tape and Reel NOTE: Suffixes listed above are not included in marking on device for part number identification. TYP MAX SCHEMATIC DIAGRAM 1 4 2 3 1. Anode 2. Cathode 3. Emitter 4. Collector Output Power Dissipation *The values indicated are absolute stress ratings. Functional operation of the device is not implied at these or any conditions in excess of those defined in electrical characteristics section of this document. Exposure to Absolute Ratings may cause permanent damage to the device and may adversely affect reliability. APPROVALS • © 2004 Solid State Optronics • San José, CA www.ssousa.com • +1.408.293.4600 Page 1 of 6 UL / C-UL Approved, File #E201932 SDD450 rev 1.40 (10/25/2004) SDD450 DC Input Photo-Darlington Optocoupler ELECTRICAL CHARACTERISTICS - 25°C PARAMETER UNIT MIN TYP MAX TEST CONDITIONS 1.2 1.4 If =10mA Ifm = 0.5A Vr =4V INPUT SPECIFICATIONS Input Forward Voltage V Peak Forward Voltage V 3.5 Reverse Current µA 10 Terminal Capacitance pF 30 V = 0, f = 1KHz OUTPUT SPECIFICATIONS Collector-Emitter Breakdown Voltage V Dark Current µA Ic = 10uA 1 Vce = 10V, If = 0 1 Vce = 0V, f = 1.0MHz 1 If = 20mA, Ic = 1mA 1600 7500 If = 1mA, Vce = 2V µs 60 300 Ic = 2mA, Vce = 2V, RL = 100 ohms µs 50 250 Ic = 2mA, Vce = 2V, RL = 100 ohms Floating Capacitance pF Saturation Voltage V Current Transfer Ratio % Rise Time Fall Time 300 0.6 600 COUPLED SPECIFICATIONS Isolation Voltage 3750 V Isolation Resistance GΩ Cut-off Frequency kH z © 2004 Solid State Optronics • San José, CA www.ssousa.com • +1.408.293.4600 T = 1 minute 50 Page 2 of 6 7 Ic = 2mA, Vcc = 5V, RL = 100 ohms SDD450 rev 1.40 (10/25/2004) SDD450 DC Input Photo-Darlington Optocoupler PERFORMANCE DATA SDD450 SDD450 Collector-Emitter Saturation Voltage vs. Forward Current Current Transfer Ratio vs. Forward Current N = 100, Ambient Temperature = 25°C Current transfer ratio CTR (%) Collector-emitter saturation voltage VCE (SAT) (V) N = 100, Ambient Temperature = 25°C Forward current IF (mA) Ambient Temperature Ta (°C) SDD450 SDD450 Collector Power Dissipation vs. Ambient Temperature Collector Dark Current vs. Ambient Temperature N = 100 Collector dark current ICEO (A) Collector power dissipation Pc (mW) N = 100 Ambient temperature Ta (°C) Ambient Temperature Ta (°C) SDD450 SDD450 Forward Current vs. Ambient Temperature Forward Current vs. Forward Voltage Forward current IF (mA) Forward current IF (mA) N = 100, Ambient Temperature = 25°C Ambient temperature Ta (°C) Forward voltage VF (V) © 2004 Solid State Optronics • San José, CA www.ssousa.com • +1.408.293.4600 Page 3 of 6 SDD450 rev 1.40 (10/25/2004) SDD450 DC Input Photo-Darlington Optocoupler PERFORMANCE DATA SDD450 SDD450 Collector Current vs. Collector-Emitter Voltage Relative Current Transfer Ratio vs. Ambient Temperature N = 100 Collector current Ic (mA) Relative current transfer ratio (%) N = 100, Ambient Temperature = 25°C Collector-emitter voltage VCE (V) Ambient Temperature Ta (°C) SDD450 SDD450 Response Time vs. Load Resistance N = 100 N = 100, Ambient Temperature = 25°C Response Time (us) Collector-emitter saturation voltage VCE (SAT) (V) Collector-Emitter Saturation Voltage vs. Ambient Temperature Ambient Temperature Ta (°C) Load resistance RL (K ohm) SDD450 SDD450 Frequency Response Peak Forward Current vs. Duty Ratio N = 100, Ambient Temperature = 25°C Voltage gain Av (dB) Peak forward current IFM (mA) N = 100, Ambient Temperature = 25°C Frequency f (KHz) © 2004 Solid State Optronics • San José, CA www.ssousa.com • +1.408.293.4600 Duty ratio Page 4 of 6 SDD450 rev 1.40 (10/25/2004) SDD450 DC Input Photo Darlington Optocoupler - MECHANICAL DIMENSIONS 4 PIN SMALL OUTLINE PACKAGE .275” ± 0.015” (6.985 ± 0.4mm) END VIEW .170” ± 0.010” (4.165 ± 0.3mm) TOP VIEW .80” ± 0.005” (1.96 ± 0.13mm) BACK VIEW © 2004 Solid State Optronics • San José, CA www.ssousa.com • +1.408.293.4600 Page 5 of 6 SDD450 rev 1.40 (10/25/2004) SDD450 DC Input Photo-Darlington Optocoupler DISCLAIMER Solid State Optronics (SSO) makes no warranties or representations with regards to the completeness and accuracy of this document. SSO reserves the right to make changes to product description, specifications at any time without further notice. SSO shall not assume any liability arising out of the application or use of any product or circuit described herein. Neither circuit patent licenses nor indemnity are expressed or implied. Except as specified in SSO's Standard Terms & Conditions, SSO disclaims liability for consequential or other damage, and we make no other warranty, expressed or implied, including merchantability and fitness for particular use. LIFE SUPPORT POLICY SSO does not authorize use of its devices in life support applications wherein failure or malfunction of a device may lead to personal injury or death. Users of SSO devices in life support applications assume all risks of such use and agree to indemnify SSO against any and all damages resulting from such use. Life support devices are defined as devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when used properly in accordance with instructions for use can be reasonably expected to result in significant injury to the user, or (d) a critical component in any component of a life support device or system whose failure can be reasonably expected to cause failure of the life support device or system, or to affect its safety or effectiveness. © 2004 Solid State Optronics • San José, CA www.ssousa.com • +1.408.293.4600 Page 6 of 6 SDD450 rev 1.40 (10/25/2004)