US3034CS UNISEM, US3034CS Datasheet

US3034CS
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US3034CS Summary of contents
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... MOSFET for the minimum part count CS+ CS- Gnd US3034 Drv V12 Vfb Vhyst 3034app1-1.0 Typical application of US3034 TA (°C) 8 PIN PLASTIC SOIC ( US3034CS US3034 CONTROLLER IC PRELIMINARY DATASHEET Vout C7 4-1 ...
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US3034 ABSOLUTE MAXIMUM RATINGS ABSOLUTE MAXIMUM RATINGS V Supply Voltages ............................................................. 20V 12 F.B Pin Voltages........................................................ Storage Temperature Range ................................. -65 TO 150 C Operating Junction Temperature ............................... 0 TO 150 C PACKAGE INFORMATION PACKAGE INFORMATION 8 PIN PLASTIC SOIC ...
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PIN DESCRIPTIONS PIN DESCRIPTIONS PIN # PIN SYMBOL PIN DESCRIPTION A resistor divider from this pin to the output of the switching regulator and ground sets the Core supply voltage. This pin is connected to the minus ...
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US3034 TYPICAL APPLICATION TYPICAL APPLICATION Pentium Core Supply Application (US3034 and US3033 Dual Layout) Low Cost 4 Bit VID ** R9 12V can be elimi- nated if dual layout with US3033 is not desired ...
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... Note 1: For the applications where it is desirable to eliminate the heat sink, the IRL3103S for Q2 and MBR1545CT for D2 in TO263 packages with minimum of 1" square copper pad can be used. Rev. 1.8 1/13/99 Part # US3034CS ( 8 pin SOIC) IRL3303 (TO220) IRL3103S (TO263) (note 1) MBR1045CT (TO220) MBRB1545CT (TO263) (note1) ...
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... Part # US3034CS ( 8 pin SOIC) IRL3303 (TO220) IRL3103S (TO263) (note 1) MBR1045CT (TO220) MBRB1545CT (TO263) (note1) Core:T50-18,L=4 uH Turns: 10T, 18 AWG L ohm,5%, SMT 1206 size open for US3034, 10 ohm for US3033 10 ohm, 5%, SMT 1206 size 249 kohm,1%, SMT 0805 size ...
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... Drv V12 Vfb Vhyst Part # US3034CS ( 8 pin SOIC) IRL3303 (TO263) PBYR735(Axial Thr Hole pkg) PBYR1035B(SMT, TO263 pkg) Core:T50-18,L=4 uH Turns: 7T, 18 AWG L ohm,5%, SMT 182 kohm,1%, SMT 1 kohm,1%, SMT 576ohm,1%, SMT 3.83 kohm,1%, SMT 1 kohm,1% , SMT 470uF, Elect 6MV1000GX, 1000uF,6 ...
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US3034 APPLICATION INFORMATION APPLICATION INFORMATION Introduction The US3034 device is an application specific product designed to provide an on board switching supply for the new generation of microprocessors requiring separate Core and I/O supplies where the load current demand from ...
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Switcher Output Voltage Setting The output voltage can be set using the following equations. Assuming , Vo=3.38V and the selected output ripple is 1.3%(44mV) of the output voltage, a set of equations are derived that selects the resistor divider and ...