LT1247CN8 Linear Technology Corporation, LT1247CN8 Datasheet
LT1247CN8
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LT1247CN8 Summary of contents
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... V Maximum on state. The output and the reference output are actively Duty Cycle Replaces pulled low during under-voltage lockout. 100% UC1842 100% UC1843 , LTC and LT are registered trademarks of Linear Technology Corporation. REFERENCE ENABLE 5V REF MAIN BIAS OSCILLATOR 5.6V 1V 1mA 2R – ...
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... PIN 1 = 2.3V PIN 2 PIN ORDER PART NUMBER TOP VIEW REF LT1246CN8 LT1246CS8 3 6 OUTPUT LT1247CN8 4 5 GND LT1247CS8 N8 PACKAGE 8-LEAD PDIP S8 PART MARKING S8 PACKAGE 8-LEAD PLASTIC SO 1246 = 100 C, = 130 C/W (N8 100 C, = 150 C/W (S8) JA 1247 MIN TYP MAX 4.925 5.000 5.075 ...
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ELECTRICAL C HARA TERISTICS C PARAMETER CONDITIONS Error Amplifier Section Output Voltage High Level V Output Voltage Low Level V Current Sense Section Gain Maximum Current Sense Input Threshold V Power Supply Rejection Ratio Input Bias Current Delay to Output ...
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LT1246/LT1247 W U TYPICAL PERFOR A LT1246 Undervoltage Lockout 17 START-UP THRESHOLD MINIMUM OPERATING VOLTAGE 10 9 –50 – 100 125 TEMPERATURE ( C) LT1246 • TPC01 Start-Up Current 200 START-UP THRESHOLD 150 ...
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W U TYPICAL PERFOR A Feedback Pin Input Voltage 2.55 2.54 2.53 2.52 2.51 2.50 2.49 2.48 2.47 2.46 2.45 –50 – 100 125 TEMPERATURE ( C) LT1246 • TPC10 Low Level Output Saturation Voltage 1.0 ...
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LT1246/LT1247 W U TYPICAL PERFOR A Output Deadtime vs Oscillator Frequency 100 OSCILLATOR FREQUENCY (kHz) Output Rise and Fall Time V = 15V TIME 50ns/DIV 1nF L 1246/7 G20 ...
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GND (Pin 5): Ground. OUTPUT (Pin 6): Current Output. This pin is the output of a high current totem pole output stage capable of driving ...
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LT1246/LT1247 PPLICATI FOR ATIO inverting input (pin 2) and the output (pin 1) are made available to the user. The output voltage in a regulator circuit is normally fed back to the inverting input ...
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PPLICATI S I FOR ATIO ing conditions (V = 2.5V). The blanking time goes to zero FB as the feedback pin is pulled to 0V. This means that the blanking time will be minimized during start-up ...
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LT1246/LT1247 TYPICAL PPLICATI EXTERNAL V REF 8 R COMP 1 C FEEDBACK 2 I SENSE 3 V REF COMP R2 100k 1 FEEDBACK – 2.5V 1.67 V ...
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... FEEDBACK + 2.5V Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. S Slope Compensation at I Pin ...
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... MAX 0.255 0.015* (6.477 0.381) 0.015 (0.380 MIN N8 0694 0.189 – 0.197* (4.801 – 5.004 0.228 – 0.244 (5.791 – 6.197 LT/GP 0395 5K REV A • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 1992 0.150 – 0.157* (3.810 – 3.988) SO8 0294 ...