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| Current Regulator Diode CORPORATION CA500 Series / SST500 Series FEATURES ORDERING INFORMATION Part No. Package CA500 CA501 CA502 CA503 CA504 CA505 CA506 CA507 CA508 CA509 CA510 CA511 TO-92 TO-92 TO-92 TO-92 TO-92 TO-92 TO-92 TO-92 TO-92 TO-92 TO-92 TO-92 Part No. SST500 SST501 SST502 SST503 SST504 SST505 SST506 SST507 SST508 SST509 SST510 SST511 Package SOT-23 SOT-23 SOT-23 SOT-23 SOT-23 SOT-23 SOT-23 SOT-23 SOT-23 SOT-23 SOT-23 SOT-23 IF (mA) 0.24 0.33 0.43 0.56 0.75 1.00 1.40 1.80 2.40 3.00 3.60 4.70 * Simple Two Lead Current Sources * 1 to 100 Volt Operation * Zero Temperature Coefficient * Simplifies Floating Current Sources * No Power Supplies Required GENERAL DESCRIPTION Calogic's current regulator diode is available in plastic TO-92 and surface mount SOT-23. The devices are selected for narrow current ranges and are excellent choices for test instrumentation and medical applications. With nominal current ranges from 0.24mA to 4.7mA, all in 20% bands. The devices allow the designer a cost effective method of providing a current regulator with no power supply requirements and lower part count. The lower current devices operate at 1 volt. PIN CONFIGURATION SOT-23 TO-92 PRODUCT MARKING (SOT-23) TOP VIEW SST500 SST501 500 501 502 503 504 505 506 507 508 509 510 511 2 1 BOTTOM VIEW SST502 SST503 SST504 3 SST505 SST506 1 2 1 ANODE 3 ANODE 2 CATHODE 2 CATHODE SST507 SST508 SST509 1 ANODE 2 CATHODE Externally connect pin 1 to pin2. SST510 SST511 5010 CA500 Series / SST500 Series CORPORATION ABSOLUTE MAXIMUM RATINGS (TA = 25oC unless otherwise noted) PARAMETERS/TEST CONDITIONS Peak Operating Voltage Forward Current Reverse Current Power Dissipation Power Derating Operating Junction Temperature Storage Temperature TJ T stg SYMBOL POV IF IR PD LIMIT 50 20 mA 50 360 3.27 -55 to 150 -55 to 200 mW mW/ oC o UNITS V C ELECTRICAL CHArACTERISTICS (TA = 25oC unless otherwise noted) SYMBOL PARAMETER TEST CONDITIONS UNITS NOM 500 501 502 503 504 505 506 507 508 509 510 511 Notes: 1. 2. 3. 4. 0.24 0.33 0.43 0.56 0.75 1.00 1.40 1.80 2.40 3.00 3.60 4.70 MIN 0.192 0.264 0.344 0.448 0.600 0.800 1.120 1.440 1.900 2.400 2.900 3.800 MAX 0.288 0.396 0.516 0.672 0.900 1.200 1.680 2.160 2.900 3.600 4.300 5.600 IF REGULATOR CURRENT VF = 25V (Note 1) mA Zd DYNAMIC IMPEDANCE VF = 25V (Note 2) M MIN 4.00 2.20 1.50 1.20 0.80 0.50 0.33 0.20 0.20 0.15 0.15 0.12 TYP 40.0 25.0 15.0 12.0 7.0 5.0 3.0 2.0 1.5 1.0 0.8 0.6 Zk KNEE IMPEDANCE VF = 6V M TYP 2.50 1.60 1.10 0.80 0.55 0.40 0.25 0.19 0.13 0.09 0.07 0.05 MAX 1.20 1.30 1.50 1.70 1.90 2.10 2.50 2.80 3.10 3.50 3.90 4.20 VL LIMITING VOLTAGE I F = 0.8 IF(MIN) (Note 3) V TYP 0.4 0.5 0.6 0.7 0.8 0.9 1.1 1.3 1.5 1.7 1.9 2.1 MIN 50 50 50 50 50 50 50 50 50 50 50 50 POV PEAK OPERATING VOLTAGE IF = 1.1 IF (MAX) (Note 4) V TYP 100 100 100 100 100 100 100 100 100 100 100 100 CF CAPACITANCE VF = 25V f = 1MHz pF TYP 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 2.2 1 TEMPERATURE COEFFICIENT (TYPICALS) VF = 25V 0oC TA 100oC ppm/ o C TYP 1300 600 0 -400 -1000 -1300 -1900 -2200 -2600 -2800 -3000 -3000 Pulse test - steady state currents may vary. Pulse test - steady state impedances may vary. Min VF required to insure I F > 0.8 I F(MIN). Max VF where I F > 1.1 I F(MAX) is guaranteed. |
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