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LTC1148CS Datasheet(PDF) 2 Page - Linear Technology |
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LTC1148CS Datasheet(HTML) 2 Page - Linear Technology |
2 / 20 page 2 LTC1148 LTC1148-3.3/LTC1148-5 A G A U A R BSOLUTEXI TI S ORDER PART NUMBER LTC1148CN LTC1148HVCN LTC1148CN-3.3 LTC1148HVCN-3.3 LTC1148CN-5 LTC1148HVCN-5 LTC1148CS LTC1148HVCS LTC1148LCS LTC1148CS-3.3 LTC1148HVCS-3.3 LTC1148LCS-3.3 LTC1148CS-5 LTC1148HVCS-5 PACKAGE/ORDER I FOR ATIO Consult factory for Industrial and Military grade parts. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS V9 Feedback Voltage (LTC1148, LTC1148L, VIN = 9V q 1.21 1.25 1.29 V LTC1148HV) I9 Feedback Current (LTC1148, LTC1148L, q 0.2 1 µA LTC1148HV) VOUT Regulated Output Voltage VIN = 9V LTC1148-3.3, LTC1148HV-3.3, LTC1148L-3.3 ILOAD = 700mA q 3.23 3.33 3.43 V LTC1148-5, LTC1148HV-5 ILOAD = 700mA q 4.90 5.05 5.20 V ∆VOUT Output Voltage Line Regulation VIN = 7V to 12V, ILOAD = 50mA – 40 0 40 mV Output Voltage Load Regulation LTC1148-3.3, LTC1148HV-3.3, LTC1148L-3.3 5mA < ILOAD < 2A q 40 65 mV LTC1148-5, LTC1148HV-5 5mA < ILOAD < 2A q 60 100 mV Output Ripple (Burst Mode) ILOAD = 0A 50 mVP-P IQ Input DC Supply Current (Note 3) (Note 7) LTC1148 Series Normal Mode 4V < VIN < 12V 1.6 2.1 mA Sleep Mode 4V < VIN < 12V 160 230 µA Sleep Mode (LTC1148-5) 6V < VIN < 12V 160 230 µA Shutdown VSHUTDOWN = 2.1V, 4V < VIN < 12V 10 20 µA LTC1148HV Series Normal Mode 4V < VIN < 18V 1.6 2.3 mA Sleep Mode 4V < VIN < 18V 160 250 µA Sleep Mode (LTC1148HV-5) 6V < VIN < 18V 160 250 µA Shutdown VSHUTDOWN = 2.1V, 4V < VIN < 18V 10 22 µA LTC1148L Series Normal Mode 3.5V < VIN < 12V 1.6 2.1 mA Sleep Mode 3.5V < VIN < 12V 160 230 µA Shutdown VSHUTDOWN = 2.1V, 3.5V < VIN < 12V 10 20 µA TA = 25°C, VIN = 10V, VSHUTDOWN = 0V unless otherwise noted. ELECTRICAL C C HARA TERISTICS 1 2 3 4 5 6 7 TOP VIEW S PACKAGE 14-LEAD PLASTIC SO N PACKAGE 14-LEAD PDIP 14 13 12 11 10 9 8 P-DRIVE NC VIN CT INTVCC ITH SENSE– N-DRIVE NC PGND SGND SHUTDOWN VFB* SENSE+ *FIXED OUTPUT VERSIONS = NC TJMAX = 125°C, θJA = 70°C/ W (N) TJMAX = 125°C, θJA = 110°C/ W (S) (Note 1) Input Supply Voltage (Pin 3) LTC1148 and LTC1148L Series ............ 16V to – 0.3V LTC1148HV Series ............................... 20V to – 0.3V Continuous Output Current (Pins 1, 14) .............. 50mA Sense Voltages (Pins 7, 8) LTC1148HV (Adjustable Only) VIN ≥ 12.7V ...................................... 13V to – 0.3V VIN < 12.7V ......................... (VIN + 0.3V) to – 0.3V Operating Ambient Temperature Range ...... 0 °C to 70°C Extended Commercial Temperature Range ............................... – 40 °C to 85°C Junction Temperature (Note 2) ............................ 125 °C Storage Temperature Range ................ – 65 °C to 150°C Lead Temperature (Soldering, 10 sec) ................. 300 °C |
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