LM2736YMKX

SOT23-6, DC/DC converter, PWM step-down

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Price:: US $0.50~1.00 / piece [Get Latest Price]

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PartNumber:: LM2736YMKX

Brand:: National Semiconductor - NS | Pack: SOT | D/C: 11+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2011-07-22

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Product Summary

The LM2736YMKX regulator is a monolithic, high frequency, PWM step-down DC/DC converter in a 6-pin Thin SOT23 package. It provides all the active functions to provide local DC/DC conversion with fast transient response and accurate regulation in the smallest possible PCB area. With a minimum of external components and online design support through WEBENCH., the LM2736YMKX is easy to use. The ability to drive 750mA loads with an internal 350mΩ NMOS switch using state-of-the-art 0.5μm BiCMOS technology results in the best power density available. The world class control circuitry allows for on-times as low as 13ns, thus supporting exceptionally high frequency conversion over the entire 3V to 18V input operating range down to the minimum output voltage of 1.25V. Switching frequency is internally set to 550kHz, allowing the use of extremely small surface mount inductors and chip capacitors. Even though the operating frequencies are very high, efficiencies up to 90% are easy to achieve. External shutdown is included, featuring an ultra-low stand-by current of 30nA.

Parametrics

LM2736YMKX absolute maximum ratings: (1)VIN -0.5V to 22V; (2)SW Voltage -0.5V to 22V; (3)Boost Voltage -0.5V to 28V; (4)Boost to SW Voltage -0.5V to 6.0V; (5)FB Voltage -0.5V to 3.0V; (6)EN Voltage -0.5V to (VIN + 0.3V); (7)Junction Temperature 150℃; (8)ESD Susceptibility (Note 2) 2kV; (9)Storage Temp. Range -65℃ to 150℃; (10)Infrared/Convection Reflow (15sec) 220℃; (11)Wave Soldering Lead Temp. (10sec) 260℃.

Features

LM2736YMKX features: (1)ThiSOT23-6 package; (2)3.0V to 18V input voltage range; (3)1.25V to 16V output voltage range; (4)750mA output current; (5)550kHz (LM2736Y) and 1.6MHz (LM2736X); (6)switching frequencies; (7)350mΩ NMOS switch; (8)30nA shutdowcurrent; (9)1.25V, 2% internal voltage reference; (10)Internal soft-start; (11)Current-Mode, PWM operation; (12)WEBENCH online desigtool.