LT1082CQ Linear Technology, LT1082CQ Datasheet
LT1082CQ
Specifications of LT1082CQ
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LT1082CQ Summary of contents
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... FB FB The LT1082 is nearly identical to the lower voltage LT1072. For the major differences in specifications, see the table on the left. , LTC and LT are registered trademarks of Linear Technology Corporation NOTE: MAXIMUM OUTPUT CURRENT IS A FUNCTION OF V OUT INPUT VOLTAGE. SEE THE 5V, 0.7A + GRAPH ON THE RIGHT ...
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... GND PACKAGE 5-LEAD 100 (CQ) JMAX 125 (IQ) JMAX JA NOTE: VARIES FROM 25 C C/W JA DEPENDING ON BOARD COMPOSITION. ORDER PART NUMBER LT1082CQ LT1082IQ The denotes the specifications which apply over the full operating = 15V 0.5V CONDITIONS Measured at Feedback Pin REF 1. Clamp Clamp 1.5V ...
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ELECTRICAL C HARA TERISTICS C temperature range, otherwise specifications are at T specified. SYMBOL PARAMETER I Supply Current Q Control Pin Threshold Normal/Flyback Threshold on Feedback Pin f Switching Frequency BV Output Switch Breakdown Voltage Control Voltage to Switch Current ...
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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 –25 0 100 25 50 ...
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LT1082 W U TYPICAL PERFOR A Error Amplifier Transconductance 5000 I (V PIN 4500 m V (FB PIN) 4000 3500 3000 2500 2000 1500 1000 500 0 –75 –50 – 100 125 TEMPERATURE ...
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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 25 F PACKAGE DESCRIPTIO 0.300 BSC CORNER LEADS OPTION (0.762 BSC) 0.008 – 0.018 0 – 15 0.045 – 0.068 (0.203 – 0.457) (1.143 – 1.727) ...
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... DIMENSIONS IN INCH/(MILLIMETER) 2. DRAWING NOT TO SCALE 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 Package 8-Lead PDIP (Narrow ...
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... MEASURED AT THE SEATING PLANE T5 (TO-220) 0399 = 1.2V, SO8 Package REF = 1.2V, MSOP-8 Package REF = 0.8V, MSOP-8 Package REF = 0.8V, MSOP-10, TSSOP-16E Package REF sn1082 1082fas LT/CPI 0202 1.5K REV A • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 1993 ...