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L4943 Datasheet(PDF) 1 Page - STMicroelectronics |
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L4943 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 6 page  3 PROGRAMMABLE OUTPUTS: ♦ 3 TO 11V (500mA); ♦ 3 TO 11V (500mA); ♦ 3 TO 7V (500mA) STANDBY OUT1 AND OUT2 WITH INDEPENDENT EN- ABLE CONTROL FOR STAND-BY MODE 0.4A HIGH SIDE DRIVER LOAD DUMP PROTECTION THERMAL SHUTDOWN DESCRIPTION The L4943 contains a triple voltage regulator and a high side driver. In stand-by the output is active as long as possi- ble even when in thermal shutdown or under any other fault conditions. The STCAP pin allows the use of a reserve sup- ply capacitor that will hold enough energy for the 5V Stand-by line to allow the µP to store data. December 2000 ® D97AU668B GEN REF VMEM (3÷7)V 0.5A VADJ1 (3÷11)V 0.5A VADJ2 (3÷11)V 0.5A HSD LOAD DUMP VMEM VMEM_feed VADJ1 VADJ1_feed VADJ2 VADJ2_feed 4 ST CAP EN1 EN2 VS P-GND S-GND TAB FILTER CAP 14 HSD 9 13 7 10 11 12 1 2 5 8 3 6 BLOCK DIAGRAM Multiwatt 15 ORDERING NUMBER: L4943 L4943 MULTIFUNCTION VOLTAGE REGULATOR FOR CAR RADIO 1/6 |
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Similar Description - L4943 |
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