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MIC4125YME Datasheet(PDF) 1 Page - MIC GROUP RECTIFIERS |
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MIC4125YME Datasheet(HTML) 1 Page - MIC GROUP RECTIFIERS |
1 / 11 page May 2005 1 M9999-052405 MIC4123/4124/4125 Micrel, Inc. MIC4123/4124/4125 Dual 3A-Peak Low-Side MOSFET Driver Bipolar/CMOS/DMOS Process Features • Reliable, low-power bipolar/CMOS/DMOS construction • Latch-up protected to >200mA reverse current • Logic input withstands swing to –5V • High 3A-peak output current • Wide 4.5V to 20V operating range • Drives 1800pF capacitance in 25ns • Short <50ns typical delay time • Delay times consistent with in supply voltage change • Matched rise and fall times • TTL logic input independent of supply voltage • Low equivalent 6pF input capacitance • Low supply current 3.5mA with logic-1 input 350µA with logic-0 input • Low 2.3Ω typical output impedance • Output voltage swings within 25mV of ground or V S. • ‘426/7/8-, ‘1426/7/8-, ‘4426/7/8-compatible pinout • Inverting, noninverting, and differential configurations • Exposed backside pad packaging reduces heat ePAD SOIC-8L (θ JA = 58°C/W) 4mm x 4mm MLF™-8L (θ JA = 45°C/W) General Description The MIC4123/4124/4125 family are highly reliable BiC- MOS/DMOS buffer/driver/MOSFET drivers. They are higher output current versions of the MIC4126/4127/4128, which are improved versions of the MIC4426/4427/4428. All three families are pin-compatible. The MIC4123/4124/4125 driv- ers are capable of giving reliable service in more demanding electrical environments than their predecessors. They will not latch under any conditions within their power and voltage ratings. They can survive up to 5V of noise spiking, of either polarity, on the ground pin. They can accept, without either damage or logic upset, up to half an amp of reverse current (either polarity) forced back into their outputs. TheMIC4123/4124/4125seriesdriversareeasiertouse,more flexible in operation, and more forgiving than other CMOS or bipolar drivers currently available. Their BiCMOS/DMOS construction dissipates minimum power and provides rail-to- rail voltage swings. Primarily intended for driving power MOSFETs, the MIC4123/4124/4125driversaresuitablefordrivingotherloads (capacitive, resistive, or inductive) which require low-imped- ance, high peak currents, and fast switching times. Heavily loadedclocklines,coaxialcables,orpiezoelectrictransducers are some examples. The only known limitation on loading is that total power dissipated in the driver must be kept within the maximum power dissipation limits of the package. Functional Diagram Integrated Component Count: 4 Resistors 4 Capacitors 52 Transistors Ground Unused Inputs INA OUTA INVERT ING NONINVERTING 0.1mA 0.6mA 2kΩ INB OUTB INVERT ING NONINVERTING 0.1mA 0.6mA 2kΩ VS GND Micrel, Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com |
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