LT1082C LINER [Linear Technology], LT1082C Datasheet
LT1082C
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LT1082C Summary of contents
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... Same Pinout as LT1072 U O PPLICATI A S Telecom 5V Supply at 0.7A from –48V 90V Supply at 120mA from 15V All Applications Using LT1072 (See Below for Specification Differences) LT1082 and LT1072 Major Specification Differences LT1082C 75V IN V 100V SW Switch Current Limit 1A Quiescent Current 4.5mA ...
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... Error Amplifier Clamp Voltage Reference Voltage Line Regulation A Error Amplifier Voltage Gain V Minimum Input Voltage Operating Junction Temperature Range LT1082M ......................................... – 150 C LT1082I ........................................... – 125 C LT1082C ............................................... 100 FRONT VIEW GND ...
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... MAX ) 0.6V Source Sink 0.7A (LT1082C 0.5A (LT1082M Duty Cycle = 20% Duty Cycle 50% Duty Cycle = 80% (Note 2) Duty Cycle = 20% Duty Cycle 50% Duty Cycle = 80% (Note 2) Duty Cycle = 20% Duty Cycle 50% Duty Cycle = 80% (Note 0.05V IN MAX ...
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LT1082 W U TYPICAL PERFOR A Suggested Core Size and Inductance for Telecom 5V Supply TYPE 52 KOOL M LOAD POWDERED OR MOLY- CURRENT IRON PERMALLOY 100mA T38 250 H T38 200 H 200mA T50 250 H T38 150 H ...
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W U TYPICAL PERFOR A Isolated Mode Flyback Reference Voltage 10k –75 –50 – 100 ...
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LT1082 W U TYPICAL PERFOR A Error Amplifier Transconductance 5000 I (V PIN 4500 m (FB PIN) V 4000 3500 3000 2500 2000 1500 1000 500 0 –75 – 100 125 150 –25 ...
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W BLOCK I D AGRA V IN 2.3V REG OSC 60kHz 14kHz MODE SELECT FB 1.24V REF U OPERATIO The LT1082 is a current mode switcher. This means that switch duty cycle is directly controlled by switch current rather than ...
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LT1082 U OPERATIO disconnect the main error amplifier output and connects the output of the flyback amplifier to the comparator input. The LT1082 will then regulate the value of the flyback pulse with respect to the supply voltage. This flyback ...
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U OPERATIO Total power dissipation is the sum of supply current times input voltage plus switch power )( TOT typical example, using negative-to-positive converter to generate 5V at 0.5A ...
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LT1082 O TYPICAL A PPLICATI + V IN 30V to 70V V IN 15V Totally Isolated Converter 1.24:1 25V L PRI 500 H MUR110 LT1082 FB GND V C ...
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PACKAGE DESCRIPTIO CORNER LEADS OPTION 0.290 – 0.320 (7.366 – 8.128) 0.023 – 0.045 (0.58 – 1.14) HALF LEAD OPTION 0.045 – 0.065 0.008 – 0.018 (1.14 – 1.65) 0° – 15° FULL LEAD (0.203 – 0.460) OPTION 0.385 ± ...
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LT1082 PACKAGE DESCRIPTIO 0.380 – 0.420 (9.652 – 10.668) 0.139 – 0.153 (3.531 – 3.886) DIA 0.560 – 0.650 (14.224 – 16.510) 0.057 – 0.077 (1.448 – 1.956) Linear Technology Corporation 12 1630 McCarthy Blvd., Milpitas, CA 95035-7487 (408) 432-1900 ...