SPECIFICATION NOTICE LT1160/LT1162 September 1996 The Typical Applications, Figures 4 and 5, in the LT®1160/LT1162 data sheet list an incrorrect component part number. The following illustrations show the correct component part number in bold . For complete specifications, typical performance curves and applications information, , LTC and LT are registered trademarks of Linear Technology Corporation. please see the LT1160/LT1162 data sheet. C1 0.1µF 4.7k 0.1µF 1µF 4.7k + 0.022µF 60V MAX 10µF 0.33µF 3 16 4 15 5 14 510Ω 0.1µF LT3526 13 6 1N4148 1 2 1k 3 1N4148 4 5k SHUTDOWN 7 12 8 11 5 1k 2N2222 6 10 9 27k + 2200µF EA LOW ESR LT1160 + 1µF + 1N4148 17 2 2k 12V + 18 1 360Ω 7 SV + BOOST T GATE DR IN TOP IN BOTTOM T GATE FB T SOURCE UV OUT 14 13 12 PGND B GATE DR NC B GATE FB 330k L* 70µH 11 10 PV + SGND IRFZ44 0.1µF RS** 0.007Ω 5V + IRFZ44 IRFZ44 5400µF LOW ESR MBR360 9 8 2.2nF f = 25kHz * MAGNETICS CORE #55585-A2 30 TURNS 14GA MAGNET WIRE ** DALE TYPE LVR-3 ULTRONIX RCS01 1160/62 F04 Figure 4. 90% Efficiency, 40V to 5V 10A Low Dropout Voltage Mode Switching Regulator 12V 2200µF EA LOW ESR 1N4148 + 2k 2.2µF 10k + 1µF 18k 0.1µF 6800pF 25k 1 16 2 15 3 14 4 13 + + 10µF 2 1k 3 LT1846 5 12 4 6 11 5 7 10 1N4148 5k 6 100pF 8 9 500k 10k 4700pF 18k 7 1k 2N2222 60V MAX LT1160 1 1N4148 + SV + IN TOP BOOST T GATE DR IN BOTTOM T GATE FB UV OUT T SOURCE SGND PV + PGND B GATE DR NC B GATE FB 14 13 12 IRFZ44 0.1µF 330k 11 L* 47µH RS** 0.007Ω 5V + 10 IRFZ44 IRFZ44 5400µF LOW ESR 9 MBR360 8 f = 40kHz * HURRICANE LAB HL-KM147U ** DALE TYPE LVR-3 ULTRONIX RCS01 1160/62 F05 Figure 4. 90% Efficiency, 40V to 5V 10A Low Dropout Current Mode Switching Regulator For further information regarding this specification notice contact: Linear Technology Corporation 1630 McCarthy Blvd. Milpitas, California 95035-7417 Attn: Product Marketing Manager Phone: (408) 432-1900 ©1996 LT/GP 0996 • PRINTED IN USA