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ILD223
DUAL PHOTODARLINGTON SMALL OUTLINE SURFACE MOUNT OPTOCOUPLER
FEATURES * Two Channel Optocoupler * High Current Transfer Ratio at IF=1 mA, 500% Min. * Isolation Test Voltage, 2500 VRMS * Electrical Specifications Similar to Standard 6-pin Coupler * Compatible with Dual Wave, Vapor Phase and IR Reflow Soldering * Industry Standard SOIC-8 Surface Mountable Package * Standard Lead Spacing, .05" * Available in Tape and Reel Option (Conforms to EIA Standard 481-2) * Underwriters Lab File #E52744 DESCRIPTION The ILD223 is a high current transfer ratio (CTR) optocoupler. It has a Gallium Arsenide infrared LED emitter and a silicon NPN photodarlington transistor detector. This device has CTRs tested at an LED current of 1 mA. This low drive current permits easy interfacing from CMOS to LSTTL or TTL. The ILD223 is constructed in a standard SOIC-8 foot print which makes it ideally suited for high density applications. In addition to eliminating throughholes requirements, this package conforms to standards for surface mounted devices. Maximum Ratings (Each Channel) Emitter Peak Reverse Voltage .....................................6.0 V Peak Pulsed Current (1 s, 300 pps) .................3 A Continuous Forward Current per Channel ....30 mA Power Dissipation at 25C............................45 mW Derate Linearly from 25C......................0.4 mW/C Detector Collector-Emitter Breakdown Voltage...............30 V Emitter-Collector Breakdown Voltage.................5 V Power Dissipation per Channel................... 75 mW Derate Linearly from 25C......................3.1 mW/C Package Total Package Dissipation at 25C Ambient (2 LEDs + 2 Detectors, 2 Channels).......240 mW Derate Linearly from 25C.........................2 mW/C Storage Temperature ...................-55C to +150C Operating Temperature ............... -55C to +100C Soldering Time at 260C ............................. 10 sec.
Dimensions in inches (mm) Pin 1 .120.005 (3.05.13) .240 (6.10) Anode 1 8 Collector 7 Emitter 6 Collector 5 Emitter 7 .058.005 (1.49.13) .125.005 (3.18.13) Lead Coplanarity .001 (.04) Max.
Cathode 2 .154.005 C L (3.91.13) Anode 3 Cathode 4 .016 (.41) .192.005 (4.88.13) .015.002 (.38.05) .008 (.20) .050 (1.27) Typ. .040 (1.02) 40
.004 (.10) .008 (.20)
5 Max. R.010 (.25) Max.
.020.004 (.15.10) 2 Plcs.
Characteristics (TA=25C)
Symbol Emitter Forward Voltage Reverse Current Capacitance Detector Breakdown Voltage Collector-Emitter Emitter-Collector Current, Collector-Emitter Capacitance, Collector-Emitter Package DC Current Transfer Ratio Saturation Voltage, Collector-Emitter Capacitance, Input to Output Resistance, Input to Output Turn-On Time Turn-Off Time Isolation Test Voltage CTRDC VCEsat 500 1 % V IF=1 mA, VCE=5 V IF=1 mA, ICE=0.5 mA VF IR CO 0.1 25 1.3 100 V A pF IF=1 mA VR=6.0 V VF=0 V, F=1 MHz Min. Typ. Max. Unit Condition
BVCEO BVECO ICEO CCE
30 5 50 3.4
V V nA pF
IC=10 mA IE=10 mA VCE=5 V, IF=0 VCE=5 V
CIO
0.5
pF
RIO tON tOFF VIO
100 15 30
G s s VCC=10 V RL=100 IF=5 mA (t=1 min.) 2500 VACRMS
5-1
Figure 1. Forward voltage versus forward current
1.4
Figure 4. CTR versus LED current
Vf-Forward Voltage - V
1.3 1.2 1.1 1.0 0.9 0.8 0.7 .1
Ta = -55C
Ta = 25C
Ta = 100C
If - Forward Current - mA
1
10
100
Figure 2. Peak LED current versus duty factor, Tau
10000 If(pk) - Peak LED Current - mA Duty Factor .005 .01 .02 .05 .1 .2 100 .5
Figure 5. Collector current versus LED current
1000
t DF = /t
10 10-6
10-5
10-4
10-3
10-2
10-1
10 0
10 1
t - LED Pulse Duration - s
Figure 3. Normalized CTRCE versus LED current
Figure 6. Switching schematic and switching timing
VCC=10 V
F=10 KHz, DF=50%
RL VO
IF=10 mA
IF
VO
tD tR tPLH VTH=1.5 V tF
tPHL
tS
ILD223
5-2

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