IL221A/IL222A/IL223A N EW PHOTODARLINGTON SMALL OUTLINE SURFACE MOUNT OPTOCOUPLER FEATURES • High Current Transfer Ratio, IF=1 mA, IL221A, 100% Minimum IL222A, 200% Minimum IL223A, 500% Minimum • Withstand Test Voltage, 2500 VACRMS • Electrical Specifications Similar to Standard 6 Pin Coupler • Industry Standard SOIC-8 Surface Mountable Package • Standard Lead Spacing, .05" • Available in Tape and Reel Option (Conforms to EIA Standard RS481A) • Compatible with Dual Wave, Vapor Phase and IR Reflow Soldering • Underwriters Lab File #E52744 (Code Letter P) Dimensions in inches (mm) 8 NC Anode 1 .120±.005 (3.05±.13) .240 (6.10) .154±.005 CL (3.91±.13) 7 Base Cathode 2 NC 3 6 Collector NC 4 5 Emitter .016 (.41) Pin One ID 40° .015±.002 (.38±.05) .192±.005 (4.88±.13) .004 (.10) .008 (.20) .008 (.20) .050 (1.27) typ. 5° max. R.010 (.25) max. .020±.004 (.15±.10) 2 plcs. .040 (1.02) 7° .058±.005 (1.49±.13) .125±.005 (3.18±.13) Lead Coplanarity ±.0015 (.04) max. DESCRIPTION The IL221A/IL222A/IL223A is a high current transfer ratio (CTR) optocoupler with a Gallium Arsenide infrared LED emitter and a silicon NPN photodarlington transistor detector. This device has a CTR tested at an 1 mA LED current. This low drive current permits easy interfacing from CMOS to LSTTL or TTL. This optocoupler is constructed in a standard SOIC-8 foot print which makes it ideally suited for high density applications. In addition to eliminating through-holes requirements, this package conforms to standards for surface mounted devices. Maximum Ratings Emitter Peak Reverse Voltage .....................................6.0 V Continuous Forward Current .........................60 mA Power Dissipation at 25°C............................90 mW Derate Linearly from 25°C......................1.2 mW/°C Detector Collector-Emitter Breakdown Voltage...............30 V Emitter-Collector Breakdown Voltage.................5 V Collector-Base Breakdown Voltage..................70 V Power Dissipation ......................................150 mW Derate Linearly from 25°C......................2.0 mW/°C Package Total Package Dissipation at 25°C Ambient (LED + Detector) ....................................240 mW Derate Linearly from 25°C......................3.3 mW/°C Storage Temperature ...................–55°C to +150°C Operating Temperature ...............–55°C to +100°C Soldering Time at 260°C ............................. 10 sec. Characteristics (TA=25°C) Symbol Min. Typ. Max. Unit Condition Emitter Forward Voltage VF 1.0 1.5 V IF=1 mA Reverse Current IR 0.1 100 µA VR=6.0 V Capacitance CO 25 pF VR=0 V, F=1 MHz V V IC=100 µA IE=100 µA Detector Breakdown Voltage Collector-Emitter Emitter-Collector BVCEO BVECO 30 5 Voltage, Collector-Base BVCBO 70 Capacitance, Collector-Emitter CCE IC=10 µA 3.4 pF VCE=10 V Package DC Current Transfer Ratio IL221A IL222A IL223A CTRDC Saturation Voltage, Collector-Emitter VCEsat Isolation Test Voltage VIO IF=1 mA, VCE=5 V 100 200 300 1 2500 V ICE=0.5 mA, IF=1 mA VACRMS t=1 sec. Capacitance, Input toOutput CIO 0.5 pF Resistance, Input to Output RIO 100 GΩ 5–1 This document was created with FrameMaker 4.0.4 Figure 5. CTRCB versus LED current Figure 1. Forward voltage versus forward current 0.10 1.3 Ta = -55°C If/Icb - CTRcb - % Vf-Forward Voltage - V 1.4 1.2 Ta = 25°C 1.1 1.0 0.9 0.05 Ta = -20°C Ta = 25°C Ta = 50°C Ta = 70°C Ta = 100°C 0.8 0.7 .1 1 10 If- Forward Current - mA 0.00 100 .1 2000 CTRce - Current Transfer Ratio -% 10000 τ If(pk) - Peak LED Current - mA Duty Factor .005 .01 .02 t τ DF = /t .05 .1 .2 100 10 10-6 .5 10-5 10-4 10-3 10-2 10-1 10 0 1500 Ta = -20°C Ta = 25°C Ta = 50°C Ta = 70°C 500 0 .1 10 1 1 10 If -LED Current - mA 100 Figure 7. Collector current versus LED current Figure 3. Normalized CTRCB versus IF 1000 Ta = -20°C Ta = 25°C Ta = 50°C Ta =70°C 2 Normalized to: If = 1mA, Ta = 25°C Vcb = 10V Ice - Collector Current - mA 3 Normalized CTRcb Vce = 10V 1000 t - LED Pulse Duration - s 1 0 .1 1 10 If - LED Current - mA 100 Vce = 10V 10 1 10 If -LED Current - mA 100 Figure 8. Photocurrent versus LED current 100 100 Icb - Photocurrent - µA Ta = -20°C Ta = 25°C Ta = 50°C Ta = 70°C 10 Ta -20°C Ta = 25°C Ta = 50°C Ta = 70°C 1 .1 100 Figure 4. Normalized CTRCE versus LED current Normalized CTRce 100 Figure 6. CTR versus LED current Figure 2. Peak LED current versus duty factor, Tau 1000 1 10 If - LED Current - mA Normalized to: If = 1mA, Vce = 5V Ta = 25°C 1 Icb-20°C Icb 25°C Icb 50°C Icb 70°C 10 1 .1 .1 .1 1 10 If -LED Current - mA .1 100 1 10 If - LED Current - mA 100 IL221A/222A/223A 5–2 Figure 9. Normalized ICB versus IF Figure 11. Switching schematic Normalized Icb 1000 100 VCC=10 V Normalized to: IF = 1mA, Ta =25°C Vcb = 10V Ta = -20°C Ta = 25°C Ta = 50°C Ta =70°C F=10 KHz, DF=50% RL VO 10 IF=5 mA 1 .1 .1 1 10 If - LED Current - mA 100 Figure 10. Switching timing IF VO tD tR tPLH tPHL tS VTH=1.5 V tF IL221A/222A/223A 5–3