lm2736xmkx National Semiconductor Corporation, lm2736xmkx Datasheet
lm2736xmkx
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lm2736xmkx Summary of contents
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... Typical Application Circuit WEBENCH ™ trademark of Transim. © 2005 National Semiconductor Corporation Features n Thin SOT23-6 package n 3.0V to 18V input voltage range n 1.25V to 16V output voltage range n 750mA output current n 550kHz (LM2736Y) and 1 ...
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... Connection Diagrams 6-Lead TSOT NS Package Number MK06A Ordering Information Order Number Package Type LM2736XMK LM2736YMK TSOT-6 LM2736XMKX LM2736YMKX * Contact the local sales office for the lead-free package. Pin Description Pin 1 BOOST www.national.com 20124205 NSC Package Drawing Package Marking SHAB ...
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Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications Voltage Boost Voltage Boost to SW Voltage FB Voltage EN Voltage Junction Temperature ESD Susceptibility (Note ...
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Typical Performance Characteristics ("X"), µH ("Y"), and T = 25˚C, unless specified otherwise. A Efficiency vs Load Current - "X" V Efficiency vs Load Current - "X" V Efficiency vs Load Current - "X" V www.national.com All ...
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Typical Performance Characteristics ("X"), µH ("Y"), and T = 25˚C, unless specified otherwise. (Continued) A Oscillator Frequency vs Temperature - "X" Current Limit vs Temperature V = 18V Temperature DSON ...
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Typical Performance Characteristics ("X"), µH ("Y"), and T = 25˚C, unless specified otherwise. (Continued) A Line Regulation - "X" 1.5V 500mA OUT OUT Line Regulation - "X" 3.3V 500mA ...
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Block Diagram Application Information THEORY OF OPERATION The LM2736 is a constant frequency PWM buck regulator IC that delivers a 750mA load current. The regulator has a preset switching frequency of either 550kHz (LM2736Y) or 1.6MHz (LM2736X). These high frequencies ...
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Application Information current. Therefore recommended that V greater than 2.5V above V for best efficiency should not exceed the maximum operating limit of 5.5V. SW > > 5.5V V – V 2.5V for best performance. ...
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Application Information FIGURE 5. Boost Voltage Supplied from the Shunt Zener ENABLE PIN / SHUTDOWN MODE The LM2736 has a shutdown mode that is controlled by the enable pin (EN). When a logic low voltage is applied ...
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Design Guide (Continued) The LM2736 operates at frequencies allowing the use of ceramic output capacitors without compromising transient response. Ceramic capacitors allow higher inductor ripple without significantly increasing output ripple. See the output capacitor section for more details on calculating ...
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Design Guide (Continued) OUTPUT VOLTAGE The output voltage is set using the following equation where R2 is connected between the FB pin and GND, and R1 is connected between V and the FB pin. A good value for R2 O ...
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LM2736X Circuit Examples Part ID Part Value U1 750mA Buck Regulator C1, Input Cap 10µF, 6.3V, X5R C2, Output Cap 10µF, 6.3V, X5R C3, Boost Cap 0.01uF, 16V, X7R D1, Catch Diode 0.3V F D2, Boost Diode ...
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LM2736X Circuit Examples Part ID Part Value U1 750mA Buck Regulator C1, Input Cap 10µF, 25V, X7R C2, Output Cap 22µF, 6.3V, X5R C3, Boost Cap 0.01µF, 16V, X7R D1, Catch Diode 0.34V Schottky 1A, 30VR F @ D2, Boost ...
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LM2736X Circuit Examples Part ID Part Value U1 750mA Buck Regulator C1, Input Cap 10µF, 25V, X7R C2, Output Cap 22µF, 6.3V, X5R C3, Boost Cap 0.01µF, 16V, X7R C4, Shunt Cap 0.1µF, 6.3V, X5R D1, Catch Diode 0.4V D2, ...
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LM2736X Circuit Examples Part ID Part Value U1 750mA Buck Regulator C1, Input Cap 10µF, 25V, X7R C2, Output Cap 22µF, 6.3V, X5R C3, Boost Cap 0.01µF, 16V, X7R D1, Catch Diode 0.4V Schottky 1A, 30VR F D2, Boost Diode ...
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LM2736X Circuit Examples Part ID Part Value U1 750mA Buck Regulator C1, Input Cap 10µF, 25V, X7R C2, Output Cap 22µF, 16V, X5R C3, Boost Cap 0.01µF, 16V, X7R D1, Catch Diode 0.4V D2, Boost Diode 1V F D3, Zener ...
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LM2736Y Circuit Examples Part ID Part Value U1 750mA Buck Regulator C1, Input Cap 10µF, 6.3V, X5R C2, Output Cap 22µF, 6.3V, X5R C3, Boost Cap 0.01µF, 16V, X7R D1, Catch Diode 0.3V Schottky 1A, 10VR F @ D2, Boost ...
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LM2736Y Circuit Examples Part ID Part Value U1 750mA Buck Regulator C1, Input Cap 10µF, 25V, X7R C2, Output Cap 22µF, 6.3V, X5R C3, Boost Cap 0.01µF, 16V, X7R D1, Catch Diode 0.34V D2, Boost Diode 0.6V L1 10µH, 1.6A, ...
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LM2736Y Circuit Examples Part ID Part Value U1 750mA Buck Regulator C1, Input Cap 10µF, 25V, X7R C2, Output Cap 22µF, 6.3V, X5R C3, Boost Cap 0.01µF, 16V, X7R C4, Shunt Cap 0.1µF, 6.3V, X5R D1, Catch Diode 0.4V Schottky ...
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LM2736Y Circuit Examples Part ID Part Value U1 750mA Buck Regulator C1, Input Cap 10µF, 25V, X7R C2, Output Cap 22µF, 6.3V, X5R C3, Boost Cap 0.01µF, 16V, X7R D1, Catch Diode 0.4V D2, Boost Diode 1V F D3, Zener ...
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LM2736Y Circuit Examples V Part ID Part Value U1 750mA Buck Regulator C1, Input Cap 10µF, 25V, X7R C2, Output Cap 22µF, 16V, X5R C3, Boost Cap 0.01µF, 16V, X7R D1, Catch Diode 0.4V Schottky 1A, 30VR F D2, Boost ...
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Physical Dimensions inches (millimeters) unless otherwise noted National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and ...