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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%) High input-to-output isolation voltage (3,750 Vrms) Ultra-miniature 4 pin SOP package High Load Voltage (Vceo = 300V MIN) * * * * * Home Appliances Office Automation Equipment Telecom / Datacom Power Supplies Fax / Modems OPTIONS/SUFFIXES* ABSOLUTE MAXIMUM RATINGS* PARAMETER Storage Temperature Operating Temperature UNIT C C mA A V mW MIN -40 -40 TYP MAX 125 100 50 1 6 170 * -TR Tape and Reel NOTE: Suffixes listed above are not included in marking on device for part number identification. SCHEMATIC DIAGRAM Continuous Input Current Transient Input Current 1 4 1. Anode 2. Cathode 3. Emitter 4. Collector Reverse Input Control Voltage Output Power Dissipation 2 3 *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 * UL / C-UL Approved, File #E201932 (c) 2004 Solid State Optronics * San Jose, CA www.ssousa.com * +1.408.293.4600 Page 1 of 6 SDD450 rev 1.40 (10/25/2004) SDD450 DC Input Photo-Darlington Optocoupler ELECTRICAL CHARACTERISTICS - 25C PARAMETER INPUT SPECIFICATIONS Input Forward Voltage Peak Forward Voltage Reverse Current Terminal Capacitance V V A pF 30 1.2 1.4 3.5 10 If =10mA Ifm = 0.5A Vr =4V V = 0, f = 1KHz UNIT MIN TYP MAX TEST CONDITIONS OUTPUT SPECIFICATIONS Collector-Emitter Breakdown Voltage Dark Current Floating Capacitance Saturation Voltage Current Transfer Ratio Rise Time Fall Time V A pF V % s s 600 1600 60 50 0.6 300 1 1 1 7500 300 250 Ic = 10uA Vce = 10V, If = 0 Vce = 0V, f = 1.0MHz If = 20mA, Ic = 1mA If = 1mA, Vce = 2V Ic = 2mA, Vce = 2V, RL = 100 ohms Ic = 2mA, Vce = 2V, RL = 100 ohms COUPLED SPECIFICATIONS Isolation Voltage Isolation Resistance Cut-off Frequency V G kH z 3750 50 7 Ic = 2mA, Vcc = 5V, RL = 100 ohms T = 1 minute (c) 2004 Solid State Optronics * San Jose, CA www.ssousa.com * +1.408.293.4600 Page 2 of 6 SDD450 rev 1.40 (10/25/2004) SDD450 DC Input Photo-Darlington Optocoupler PERFORMANCE DATA SDD450 Collector-Emitter Saturation Voltage vs. Forward Current N = 100, Ambient Temperature = 25C SDD450 Current Transfer Ratio vs. Forward Current N = 100, Ambient Temperature = 25C Collector-emitter saturation voltage VCE (SAT) (V) Current transfer ratio CTR (%) Forward current IF (mA) Ambient Temperature Ta (C) SDD450 Collector Power Dissipation vs. Ambient Temperature N = 100 SDD450 Collector Dark Current vs. Ambient Temperature N = 100 Collector power dissipation Pc (mW) Ambient temperature Ta (C) Collector dark current ICEO (A) Ambient Temperature Ta (C) SDD450 Forward Current vs. Forward Voltage N = 100, Ambient Temperature = 25C SDD450 Forward Current vs. Ambient Temperature Forward current IF (mA) Forward current IF (mA) Forward voltage VF (V) Ambient temperature Ta (C) (c) 2004 Solid State Optronics * San Jose, 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 Collector Current vs. Collector-Emitter Voltage N = 100, Ambient Temperature = 25C SDD450 Relative Current Transfer Ratio vs. Ambient Temperature N = 100 Collector-emitter voltage VCE (V) Relative current transfer ratio (%) Collector current Ic (mA) Ambient Temperature Ta (C) SDD450 Collector-Emitter Saturation Voltage vs. Ambient Temperature N = 100 Collector-emitter saturation voltage VCE (SAT) (V) SDD450 Response Time vs. Load Resistance N = 100, Ambient Temperature = 25C Ambient Temperature Ta (C) Response Time (us) Load resistance RL (K ohm) SDD450 Frequency Response N = 100, Ambient Temperature = 25C SDD450 Peak Forward Current vs. Duty Ratio N = 100, Ambient Temperature = 25C Frequency f (KHz) Peak forward current IFM (mA) Voltage gain Av (dB) Duty ratio (c) 2004 Solid State Optronics * San Jose, CA www.ssousa.com * +1.408.293.4600 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 (c) 2004 Solid State Optronics * San Jose, 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. (c) 2004 Solid State Optronics * San Jose, CA www.ssousa.com * +1.408.293.4600 Page 6 of 6 SDD450 rev 1.40 (10/25/2004) |
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