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LT1175IN8-5 Datasheet(PDF) 2 Page - Linear Technology |
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LT1175IN8-5 Datasheet(HTML) 2 Page - Linear Technology |
2 / 16 page 2 LT1175 1175fd ABSOLUTE MAXIMUM RATINGS SHDN Pin to VIN Pin Voltage .......................... 30V, – 5V Operating Junction Temperature Range LT1175C .............................................. 0°C to 125°C LT1175I .......................................... – 40°C to 125°C Ambient Operating Temperature Range LT1175C ................................................ 0°C to 70°C LT1175I ............................................ – 40°C to 85°C Storage Temperature Range ................. – 65°C to 150°C Lead Temperature (Soldering, 10 sec).................. 300°C PACKAGE/ORDER INFORMATION Input Voltage (Transient 1 sec, Note 11) ................ 25V Input Voltage (Continuous) .................................... 20V Input-to-Output Differential Voltage (Note 12) ........ 20V 5V SENSE Pin (with Respect to GND Pin) ...... 2V, – 10V ADJ SENSE Pin (with Respect to OUTPUT Pin) ................ 20V, – 0.5V 5V SENSE Pin (with Respect to OUTPUT Pin) .................. 20V, – 7V Output Reverse Voltage ............................................ 2V SHDN Pin to GND Pin Voltage (Note 2) ..... 13.5V, – 20V ELECTRICAL CHARACTERISTICS ORDER PART NUMBER 3 2 1 FRONT VIEW TAB IS INPUT GND VIN OUTPUT ST PACKAGE 3-LEAD PLASTIC SOT-223 ORDER PART NUMBER SHDN GND INPUT SENSE OUTPUT Q PACKAGE 5-LEAD PLASTIC DD FRONT VIEW TAB IS INPUT 5 4 3 2 1 LT1175CN8 LT1175CN8-5 LT1175IN8 LT1175IN8-5 ORDER PART NUMBER ORDER PART NUMBER ORDER PART NUMBER θJA = 50°C/ W WITH BACKPLANE AND 10cm2 TOPSIDE LAND SOLDERED TO TAB θJA = 27°C/ W TO 60°C/W DEPENDING ON PC MOUNTING. SEE DATA SHEET FOR DETAILS LT1175CT LT1175CT-5 LT1175IT LT1175IT-5 LT1175CST-5 LT1175IST-5 LT1175CQ LT1175CQ-5 LT1175IQ LT1175IQ-5 θJA = 60°C/ W TO 100°C/W DEPENDING ON PC BOARD LAYOUT T PACKAGE 5-LEAD PLASTIC TO-220 FRONT VIEW 5 4 3 2 1 SHDN GND INPUT SENSE OUTPUT TAB IS INPUT θJA = 50°C/ W, θJC = 5°C/ W Consult LTC Marketing for parts specified with wider operating temperature ranges. PINS 1, 8 ARE INTERNALLY CONNECTED TO DIE ATTACH PADDLE FOR HEAT SINKING. ELECTRICAL CONTACT CAN BE MADE TO EITHER PIN. FOR BEST THERMAL RESISTANCE, PINS 1, 8 SHOULD BE CONNECTED TO AN EXPANDED LAND THAT IS OVER AN INTERNAL OR BACKSIDE PLANE. SEE APPLICATIONS INFORMATION 1 2 3 4 8 7 6 5 TOP VIEW S8 PACKAGE 8-LEAD PLASTIC SO VIN ILIM2 OUTPUT SENSE VIN ILIM4 SHDN GND LT1175CS8 LT1175CS8-5 LT1175IS8 LT1175IS8-5 S8 PART MARKING 1175I 1175I5 1175 11755 θJA = 80°C/ W TO 120°C/W DEPENDING ON PC BOARD LAYOUT 1 2 3 4 8 7 6 5 TOP VIEW VIN ILIM2 OUTPUT SENSE VIN ILIM4 SHDN GND N8 PACKAGE 8-LEAD PDIP (Note 1) The ● denotes specifications which apply over the operating temperature range, otherwise specifications are at TA = 25°C. VOUT = 5V, VIN = 7V, IOUT = 0, VSHDN = 3V, ILIM2 and ILIM4 tied to VIN, TJ = 25°C, unless otherwise noted. To avoid confusion with “min” and “max” as applied to negative voltages, all voltages are shown as absolute values except where polarity is not obvious. PARAMETER CONDITIONS MIN TYP MAX UNITS Feedback Sense Voltage Adjustable Part 3.743 3.8 3.857 V Fixed 5V Part 4.93 5.0 5.075 V Output Voltage Initial Accuracy Adjustable, Measured at 3.8V Sense 0.5 1.5 % Fixed 5V 0.5 1.5 % Output Voltage Accuracy (All Conditions) VIN – VOUT = 1V to VIN = 20V, IOUT = 0A to 500mA ● 1.5 2.5 % P = 0 to PMAX, TJ = TMIN to TMAX (Note 3) Quiescent Input Supply Current VIN – VOUT ≤ 12V 45 65 µA ● 80 µA |
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