Sharp XL-UH260 Service Manual - Page 97
Ic851 Vhian80t53/-1: Multi Regulator An80t53, Block Diagram Of Ic
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IC851 VHIAN80T53/-1: MULTI REGULATOR (AN80T53) Pin Terminal Name Function No. 1 REG4 Output 5.1 V power supply with a minimum peak out current of 1200 mA. 2 REG3 Output 13 V power supply with a minimum peak out current of 1350 mA. 3 VCC Connected to Power supplies. 4 GND Connected to the IC substrate. 5 MODE 1 REG1, REG2,REG3 and REG4 outputs are turned ON when this pin is 5 V. 6 REG2 Output 10 V power supply with a minimum peak out current of 800 mA. 7 REG1 Output 8.5 V power supply with a minimum peak out current of 700 mA. Peak Current Protection, Thermal Protection, Load Short Protection. Out puts + - Prc Drive + - Prc Drive + - Prc Drive + - Prc Drive 5 MODE 1 Referenc e Voltag e 23 R EG 3 VC C 13V 4 G ND 1 REG4 5.1V 7 REG1 8.5V Figure 10 BLOCK DIAGRAM OF IC 6 REG2 10.0 V XL-UH260 8 - 9