Datasheet LT1185 (Analog Devices) - 16

LT1185
U TYPICAL APPLICATIO S Logic Controlled 3A Low-Side Switch with Fault Protection
5V RLIM 4k REF GND 1N4001 LOAD ADD FOR INDUCTIVE LOADS FB LT1185 VOUT VIN LT1185 • TA08
Improved High Frequency Ripple Rejection
+ + + C2 R1 2.2µF RLIM 2.37k TANT VIN C1 REF GND 4.7µF VOUT FB TANT C3 R2 – V LT1185 0.05µF IN VOUT – LT1185 • TA09 NOTE: C3 IMPOVES HIGH FREQUENCY RIPPLE REJECTION BY 6dB AT VOUT = 5V, AND BY 14dB AT VOUT = 12V. C1 IS INCREASED TO 4.7µF TO ENSURE GOOD STABILTITY WHEN C3 IS USED
RELATED PARTS PART NUMBER DESCRIPTION COMMENTS
LT1085 7.5A Low Dropout Regulator 1V Dropout Voltage LT1117 800mA Low Dropout Regulator with Shutdown Reverse Voltage and Reverse Current Protection LT1120A Micropower Regulator with Comparator and Shutdown 20µA Supply Current, 2.5V Reference Output LT1129 200mA Micropower Low Dropout Regulator 400mV Dropout Voltage, 50µA Supply Current LT1175 500mA Negative Low Dropout Micropower Regulator 45µA Supply Current, Adjustable Current Limit LT1585 4.6A Low Dropout Fast Transient Response Regulator For High Performance Microprocessors LT1964 200mA, Low Noise Micropower, Negative LDO VIN: –0.9V to –20V, VOUT(MIN) = –1.21V, VDO = 0.34V, IQ = 30µA, ISD = 3µA, ThinSOT Package 1185ff LT/LWI 0906 REV F • PRINTED IN USA 16 Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com © LINEAR TECHNOLOGY CORPORATION 1994