lt1373hv Linear Technology Corporation, lt1373hv Datasheet
lt1373hv
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lt1373hv Summary of contents
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... Nonlinear error amplifier transconductance re- duces output overshoot on start-up or overload recovery. Oscillator frequency shifting protects external compo- nents during overload conditions. , LTC and LT are registered trademarks of Linear Technology Corporation. † V OUT 12V R1 ...
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... ABSOLUTE AXI U RATI GS (Note 1) Supply Voltage ....................................................... 30V Switch Voltage LT1373 ............................................................... 35V LT1373HV .......................................................... 42V S/S Pin Voltage ....................................................... 30V Feedback Pin Voltage (Transient, 10ms) .............. 10V Feedback Pin Current ........................................... 10mA Negative Feedback Pin Voltage (Transient, 10ms) ............................................. 10V Operating Junction Temperature Range Commercial ........................................ 125 C* Industrial ......................................... – ...
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... 0.8 0.7 0.6 0.5 –55 C 0.4 0.3 0.2 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 SWITCH CURRENT (A) LT1373 • G01 CONDITIONS LT1373 LT1373HV 125 C J – Grade Duty Cycle = 50% Duty Cycle = 80% (Note 2) 2.7V V 25V IN 2.7V V 25V, V 0. 125 C J – Grade) J 2.7V V 25V ...
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LT1373 W U TYPICAL PERFOR A CE CHARACTERISTICS Shutdown Delay and Threshold vs Temperature SHUTDOWN THRESHOLD SHUTDOWN 8 DELAY –50 50 100 125 150 – TEMPERATURE ( ...
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CTIO S V (Pin 1): Compensation Pin. The V C frequency compensation, current limiting and soft start the output of the error amplifier and the input of the current comparator. Loop frequency compensation ...
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LT1373 U OPERATIO The LT1373 is a current mode switcher. This means that switch duty cycle is directly controlled by switch current rather than by output voltage. Referring to the Block Diagram, the switch is turned “On” at the start ...
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U U APPLICATIO S I FOR ATIO Negative Output Voltage Setting The LT1373 develops a – 2.45V reference (V NFB pin to ground. Output voltage is set by connecting the NFB pin to an output resistor divider (Figure 2). The ...
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LT1373 U U APPLICATIO S I FOR ATIO component height, output voltage ripple, EMI, fault cur- rent in the inductor, saturation, and of course, cost. The following procedure is suggested as a way of handling these somewhat complicated and conflicting ...
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U U APPLICATIO S I FOR ATIO Many engineers have heard that solid tantalum capacitors are prone to failure if they undergo high surge currents. This is historically true and type TPS capacitors are specially tested for surge capability, but ...
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... For more detailed information on switching regulator circuits, please see AN19. Linear Technology also offers a computer software program, SwitcherCAD designing switching converters. In addition, our applica- tions department is always ready to lend a helping hand. SwitcherCAD is a trademark of Linear Technology Corporation. N Dual Output Flyback Converter with Overvoltage Protection R2 275k ...
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... FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE 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 circuits as described herein will not infringe on existing patent rights. ...
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... GND 24. 0.01 F † MAX I OUT I V OUT IN 0.45A 4V 0.55A 5V 0.65A 7V 0.72A 9V INDUCTOR WITH TWO WINDINGS as Low as 1.5V IN sn1373 1373fbs LT/TP 0200 2K REV B • PRINTED IN THE USA LINEAR TECHNOLOGY CORPORATION 1995 † V OUT 100 F 10V LT1373 • TA07 ...