CMAD4448 SURFACE MOUNT ULTRA HIGH SPEED SILICON SWITCHING DIODE w w w. c e n t r a l s e m i . c o m DESCRIPTION: The CENTRAL SEMICONDUCTOR CMAD4448 is an ultra high speed switching diode ideal for applications where very small size and operational efficiency are prime requirements. MARKING CODE: M SOD-923 CASE APPLICATIONS: • DC / DC Converters • Voltage Clamping • Protection Circuits • Battery powered applications including Cell Phones, Digital Cameras, Pagers, PDAs, Laptop Computers, etc. MAXIMUM RATINGS: (TA=25°C) Peak Repetitive Reverse Voltage Continuous Forward Current Peak Repetitive Forward Current Peak Forward Surge Current, tp=1 .0μs Peak Forward Surge Current, tp=1 .0s Power Dissipation Operating and Storage Junction Temperature Thermal Resistance ELECTRICAL SYMBOL IR IR IR BVR VF VF VF CT trr FEATURES: • Current (IO=250mA) • Forward Voltage Drop (VF=0.91V TYP @ 100mA) • Extremely Fast Switching Speed (4ns Max) • Miniture, 0.8 x 0.6 x 0.4mm, ultra low height profile FEMTOminiTM Surface Mount Package. SYMBOL VRRM IF IFRM IFSM IFSM PD TJ, Tstg ΘJA CHARACTERISTICS: (TA=25°C unless otherwise noted) TEST CONDITIONS MIN VR=50V VR=50V, TA=125°C VR=100V IR=100μA 120 IF=1.0mA 0.55 IF=10mA 0.67 IF=100mA 0.85 VR=0, f=1.0MHz IR=IF=10mA, RL=100Ω, Rec. to 1.0mA UNITS V mA mA A A mW °C °C/W 120 250 500 4.0 1.0 100 -65 to +150 1250 TYP MAX 300 100 500 150 0.59 0.72 0.91 2.0 0.65 0.77 1.0 2.0 4.0 UNITS nA μA nA V V V V pF ns R1 (8-January 2010) CMAD4448 SURFACE MOUNT ULTRA HIGH SPEED SILICON SWITCHING DIODE SOD-923 CASE - MECHANICAL OUTLINE LEAD CODE: 1) CATHODE 2) ANODE MARKING CODE: M R1 (8-January 2010) w w w. c e n t r a l s e m i . c o m