LM5576MHX

buck regulator, TSSOP20, 76V, N-channel MOSFET, Built-in protection

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Price:: US $2.00~4.00 / piece [Get Latest Price]

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PartNumber:: LM5576MHX

Brand:: National Semiconductor - NS | Pack: TSSOP | D/C: 10+

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Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2011-07-24

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Part Number:LM5576MHX
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Product Summary

The LM5576MHX is an easy to use SIMPLE SWITCHER buck regulator which allows design engineers to design and optimize a robust power supply using a minimum set of components. Operating with an input voltage range of 6 - 75V, the LM5576MHX delivers 3A of continuous output current with an integrated 170mΩ N-Channel MOSFET. The LM5576MHX utilizes an Emulated Current Mode architecture which provides inherent line regulation, tight load transient response, and ease of loop compensation without the usual limitation of low-duty cycles associated with current mode regulators.

Parametrics

LM5576MHX absolute maximum ratings: (1)VIN to GND: 76V; (2)BST to GND: 90V; (3)PRE to GND: 76V; (4)SW to GND (Steady State): -1.5V; (5)BST to VCC: 76V; (6)SD, VCC to GND: 14V; (7)BST to SW: 14V; (8)OUT to GND: Limited to Vin; (9)SYNC, SS, FB, RAMP to GND: 7V; (10)ESD Rating Human Body Model: 2kV; (11)Storage Temperature Range: -65℃ to +150℃.

Features

LM5576MHX features: (1)Integrated 75V, 170mΩ N-channel MOSFET; (2)Ultra-wide input voltage range from 6V to 75V; (3)Adjustable output voltage as low as 1.225V; (4)1.5% feedback reference accuracy; (5)Operating frequency adjustable between 50kHz and 500kHz with single resistor; (6)Master or slave frequency synchronization; (7)Adjustable soft-start; (8)Emulated current mode control architecture; (9)Wide bandwidth error amplifier; (10)Built-in protection.