CMAD4448

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 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 120 250 500 4.0 1.0 100 -65 to +150 1250 UNITS V mA mA A A mW °C °C/W ELECTRICAL CHARACTERISTICS: (TA=25°C unless otherwise noted) SYMBOL TEST CONDITIONS MIN IR IR IR BVR VF VF VF CT trr VR=50V VR=50V, TA=125°C VR=100V IR=100μA IF=1.0mA IF=10mA IF=100mA VR=0, f=1.0MHz IR=IF=10mA, RL=100Ω, Rec. to 1.0mA 120 0.55 0.67 0.85 TYP MAX UNITS 300 nA 100 μA 500 nA 150 V 0.59 0.65 V 0.72 0.77 V 0.91 1.0 V 2.0 pF 2.0 4.0 ns R1 (8-January 2010) CMAD4...