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Power MOSFETs
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Power ICs
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Vishay
Part Number
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Various Sixxxx
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Si9139DG
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Si91871/2
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SiP2800, SiP2801, SiP2802, SiP2803, SiP2804, SiP2805
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Description
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Triple output PWM DC/DC controllers
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300 mA LDO in PowerPAK MLP33 package
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Current mode PWM controllers
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Benefit
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Lowest on-resistance across singles and duals in –12 V, –20 V, and –30 V devices in SOT-23, TSOP-6, SO-8, PowerPAK 1212-8, TSSOP-8, and PowerPAK SO-8 packaging
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Wide input voltage of 4.5 to 30 V
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Two synchronous step down controllers with output voltages from 1.5 to 3.3 V at up to 10 A
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One adjustable buck/boost controller with output voltages from 1.2 to 20 V at up to
1.5 A
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One LDO at 3.3 V at 30 mA
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Precision reference voltage at 3.3 V
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All in a single SSOP28 package, with minimum external components count
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Very small package (3x3 mm) handling up to 1.2 W of power dissipation
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Very low dropout voltage 250 mV at 300 mA
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Low output voltages down to 1.2 V
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Options of error flag or low noise pinout
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Pin compatible with UCC280x and enhanced performance
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100uA start-up current
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500uA operating current
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Internal Soft-Start at Power on and After Fault
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Competition
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Target Market
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Remarks
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Power ICs
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Analog Switches
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Vishay
Part Number
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SiP1759
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DG2535, DG2536
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Description
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0.35 low voltage dual SPDT analog switches
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Benefit
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1.6V to 5.5V input voltage range
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Fixed 3.3V output voltage or adjustable from 2.5V to 5.5V
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60uA quiescent current
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100mA output current
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Short circuit protection
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Thermal shutdown
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Reduced power consumption
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Low on-resistance 0.35Ω @ 2.7 V
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1.6V logic compatible
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-69 dB OIRR @ 2.7V, 100 KHz
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Competition
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Target Market
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Cellular phones
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Backup battery boost converters
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Cellular phones
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Audio and video signal routing
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Remarks
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Recommended to replace DG2031
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