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LTC1143LCS Datasheet(PDF) 2 Page - Linear Technology |
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LTC1143LCS Datasheet(HTML) 2 Page - Linear Technology |
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2 / 20 page  2 LTC1143/LTC1143L LTC1143L-ADJ ABSOLUTE MAXIMUM RATINGS Input Supply Voltage (Pins 5,13) ............... 16V to –0.3V Continuous Output Current (Pins 4,12) ................ 50mA Sense Voltages (Pins 1, 8, 9, 16) VIN ≥ 12.7V .......................................... 13V to –0.3V VIN < 12.7V .............................. (VIN + 0.3V) to – 0.3V Shutdown Voltage (LTC1143, LTC1143L, Pins 2, 10)...........7V to – 0.3V VFB Current (LTC1143L-ADJ, Pins 2, 10) ............... 1mA Operating Temperature Range Ambient .................................................. 0 °C to 70°C Extended Commercial (Note 4) ........... –40 °C to 85°C Junction Temperature (Note 1) ............................. 125 °C Storage Temperature Range .................. –65 °C to 150°C Lead Temperature (Soldering, 10 sec) .................. 300 °C PACKAGE/ORDER INFORMATION ORDER PART NUMBER LTC1143CS LTC1143LCS ORDER PART NUMBER LTC1143LCS-ADJ TJMAX = 125°C, θJA = 95°C/W ELECTRICAL CHARACTERISTICS T A = 25°C, VIN = 10V unless otherwise noted. Consult factory for Industrial and Military grade parts. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS V2, V10 Feedback Voltage (LTC1143L-ADJ) VIN = 9V q 1.21 1.25 1.29 V I2, I10 Feedback Current (LTC1143L-ADJ) q 0.2 1 µA VOUT Regulated Output Voltage (LTC1143/LTC1143L) VIN3, VIN5 = 9V, V2 = V10 = 0V 3.3V Output ILOAD = 700mA q 3.23 3.33 3.43 V 5V Output 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 V2 = V10 = 0V LTC1143/LTC1143L 3.3V Output 5mA < ILOAD < 2.0A q 40 65 mV 5V Output 5mA < ILOAD < 2.0A q 60 100 mV Output Ripple (Burst Mode) ILOAD = 0A 50 mVP-P I5, I13 Input DC Supply Current (Note 2) LTC1143: Normal Mode V2 = V10 = 0V, 4V < VIN < 12V 1.6 2.1 mA Sleep Mode V2 = V10 = 0V, 4V < VIN3 < 12V, 6V < VIN5 < 12V 160 230 µA Shutdown V2 = V10 = 2.1V, 4V < VIN < 12V 10 20 µA LTC1143L: Normal Mode V2 = V10 = 0V, 3.5V < VIN < 12V 1.6 2.1 mA Sleep Mode V2 = V10 = 0V, 3.5V < VIN3 < 12V, 6V < VIN5 < 12V 160 230 µA Shutdown V2 = V10 = 2.1V, 3.5V < VIN < 12V 10 20 µA LTC1143L-ADJ: Normal Mode 3.5V < VIN < 12V 1.6 2.1 mA Sleep Mode 3.5V < VIN < 12V, VOUT ≤ 3.3V 160 230 µA TOP VIEW S PACKAGE 16-LEAD PLASTIC SO 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 SENSE+1 VFB1 GND1 P-DRIVE 1 VIN2 CT2 ITH2 SENSE–2 SENSE–1 ITH1 CT1 VIN1 P-DRIVE 2 GND2 VFB2 SENSE+2 TJMAX = 125°C, θJA = 95°C/W TOP VIEW S PACKAGE 16-LEAD PLASTIC SO 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 SENSE+3 SHUTDOWN 3 GND3 P-DRIVE 3 VIN5 CT5 ITH5 SENSE–5 SENSE–3 ITH3 CT3 VIN3 P-DRIVE 5 GND5 SHUTDOWN 5 SENSE+5 |
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