CCR254

• CURRENT REGULATOR CHIPS • ALL JUNCTIONS COMPLETELY PROTECTED WITH SILICON DIOXIDE • CONSTANT CURRENT OVER WIDE VOLTAGE RANGE • HIGH SOURCE IMPEDANCE • COMPATIBLE WITH ALL WIRE BONDING AND DIE ATTACH TECHNIQUES, WITH THE EXCEPTION OF SOLDER REFLOW CCR250 thru CCR257 MAXIMUM RATINGS Operating Temperature: -55°C to +175°C Storage Temperature: -55°C to +175°C 13 MILS ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise specified TYPE NUMBER REGULATOR CURRENT l p (mA) @ VS = 25V NOM MIN 4.59 5.04 5.58 6.12 6.75 7.38 8.19 9.00 MAX 5.61 6.16 6.82 7.48 8.25 9.02 10.01 11.10 MINIMUM DYNAMIC IMPEDANCE @VS = 25V ZS (K ) (Note 2) 100 90 80 70 50 30 20 10 MINIMUM KNEE IMPEDANCE @VK = 6.0 V ZK(K ) (Note 3) 4.0 4.0 3.0 2.0 1.5 1.5 1.0 1.0 MAXIMUM LIMITING VOLTAGE @ lL = 0.8 I p (min) VL (VOLTS) 3.67 4.03 4.46 4.90 5.40 5.90 6.55 7.20 PEAK OPERATING VOLTAGE VOLTS 80 80 70 70 60 60 50 50 Backside is Cathode A = Anode CCR250 CCR251 CCR252 CCR253 CCR254 CCR255 CCR256 CCR257 5.10 5.60 6.20 6.80 7.50 8.20 9.10 10.00 DESIGN DATA METALLIZATION: Top: (Anode).......................Al Back: (Cathode)...................Au AL THICKNESS...........25,000 Å Min GOLD THICKNESS .......4,000 Å Min NOTE 1 NOTE 2 NOTE 3 IP is read using a pulse measurement, 10 milliseconds maximum. ZS is derived by superimposing A 90Hz RMS signal equal to 10% of VS on VS ZK is derived by superimposing A 90Hz RMS signal equal to 10% of VK on VK CHIP THICKNESS .................10 Mils TOLERANCES: ALL Dimensions + 2 mils, except Anode Pad where tolerance is + 0.1 mils. 6 LAKE STREET, LAWRENCE, PHONE (978) 620-2600 WEBSITE: http://www.microsemi.com M A S S A C H U S E T T S 01841 FAX (978) 689-0803 171 28 MILS THIS PAGE IS INTENTIONALLY LEFT BLANK 172