LT3433IFE#TR Linear Technology, LT3433IFE#TR Datasheet
LT3433IFE#TR
Specifications of LT3433IFE#TR
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LT3433IFE#TR Summary of contents
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... Thermally Enhanced TSSOP Package U APPLICATIO S 12V Automotive Systems Wall Adapter Powered Systems Battery Power Voltage Buffering , LTC and LT are registered trademarks of Linear Technology Corporation. Burst Mode is a registered trademark of Linear Technology Corporation. U.S. patent number: 5731694 U TYPICAL APPLICATIO 4V to 60V to 5V DC/DC Converter ...
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LT3433 ABSOLUTE MAXIMUM (Note 1) Input Supply (V ) .................................... –0.3V to 60V IN Boosted Supply (V ) .............. –0. BST (V = 80V) BST(MAX) Internal Supply (V ) ............................. – 0.3V to 30V BIAS ...
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ELECTRICAL CHARACTERISTICS The denotes specifications that apply over the full operating temperature range, otherwise specifications are 13.8V 1.25V 5V OUT BURST_EN SYMBOL PARAMETER V Feedback Reference Voltage FB V ...
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LT3433 W U TYPICAL PERFOR A CE CHARACTERISTICS Soft-Start Current vs Temperature 7.0 6.5 6.0 5.5 5.0 4.5 4.0 – 100 125 TEMPERATURE ( C) 3433 G03 Oscillator Frequency vs Temperature 210 205 200 195 190 –50 0 ...
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W U TYPICAL PERFOR A CE CHARACTERISTICS Switch Resistance vs Temperature (I = 500mA) SW 1.1 1.0 0.9 R SWH 0.8 0.7 R SWL 0.6 0.5 0.4 – 100 125 –25 0 TEMPERATURE ( C) 3433 G12 ...
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LT3433 CTIO S V (Pin 7): Error Amplifier Inverting Input. The noninvert- FB ing input of the error amplifier is connected to an internal 1.231V reference. The V pin is connected to a resistor FB ...
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W BLOCK DIAGRA AMPLIFIER MODE CONTROL Burst Mode CONTROL CONTROL CIRCUITS 1.25V SENSE COMPARATOR BOOSTED CONTROL SLOPE COMP OSCILLATOR 200kHz FREQUENCY CONTROL ERROR AMPLIFIER 30% LOAD 1.231V SHUTDOWN 15% LOAD 5 A SGND 1, 8, 9,16,17 LT3433 V BIAS 12 ...
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LT3433 U U APPLICATIO S I FOR ATIO Overview The LT3433 is a high input voltage range, step-up/step- down DC/DC converter IC using a 200kHz constant fre- quency, current mode architecture. Dual internal switches allow the full input voltage to ...
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U U APPLICATIO S I FOR ATIO Antislope Compensation Most current mode switching controllers use slope com- pensation to prevent current mode instability. The LT3433 is no exception. A slope compensation circuit imposes an artificial ramp on the sensed current ...
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LT3433 U U APPLICATIO S I FOR ATIO The requirement for avoiding current mode instability is that the rising slope of sensed inductor ripple current (S1) is greater than the falling slope (S2). At duty cycles greater than 50% this ...
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... LT3433 specified W/C current limit of 0.5V (cold) will allow margin for operating limit variations. These )(1 – DC)/(L • limitations should be evaluated at the operating tempera- ture extremes required by the application to assure robust performance. PowerPath is a trademark of Linear Technology Corporation LT3433 = I • [1 – DC • OUT(MAX – I ...
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LT3433 U U APPLICATIO S I FOR ATIO Design Example 4V-60V to 5V DC/DC converter (the application on the front page of this data sheet), load capability for T Application Specific Constants: LT3433 W/C Constants ...
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U U APPLICATIO S I FOR ATIO Input Voltage Transient Suppression Not only does a LT3433 converter operate across a large range of DC input voltages, it also maintains tight output regulation during significant input voltage transients. The LT3433 automatic ...
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LT3433 U TYPICAL APPLICATIO 60V C3 330pF C6 2.2 F 100V C2 1nF Efficiency 100 20V 70 IN (BURST (BURST 0.1 ...
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... DIMENSIONS ARE IN 3. 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 16-Lead Plastic TSSOP (4 ...
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... V = 0.8V OUT(MIN < TSSOP16E 2.3V to 5.5V 0.8V OUT(MIN < TSSOP20E 36V 0.8V 670 A, IN OUT(MIN < QFN32, SSOP28 5.5V to 60V 1.20V 2.5mA, IN OUT(MIN < TSSOP16E SD : 2.5V to 5.5V 2.5V OUT(MIN < MS10 SD LT/TP 0504 1K • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 2003 V OUT 5V C5 10mA 2 8.5mA, Q 3433f ...