LM2576S-ADJ

3A Step-Down Voltage Regulator, TO-263, High efficiency, 52 kHz, fixed frequency internal oscillator

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Price:: US $0.30~0.40 / piece [Get Latest Price]

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PartNumber:: LM2576S-ADJ

Brand:: National Semiconductor - NS | Pack: TO | D/C: 09+

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Products Upload time: 2011-12-19

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Part Number:LM2576S-ADJ
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Product Summary

The Bay Linear LM2576S-ADJ contains fixed and adjustable switching voltage regulators that require a minimum of external components. All circuitry necessary to build a buck-switching regulator is included. The LM2576S-ADJ is available in 3.3V; 5V, 12V & 15V fixed voltages, or an adjustable version with an output voltage range from 1.23V to 37V. The guaranteed accuracy for specified input and load conditions is ±4%. The LM2576S-ADJ can supply 3A with an excellent load and line regulation. Protection such as cycle-by-cycle current limiting or thermal shutdown has been designed. In standby mode, the current consumption has been minimized (200μA).

Parametrics

LM2576S-ADJ absolute Maximum Ratings: (1)Maximum Input Voltage, VIN: 45 V; (2)Power Dissipation, PO: Internally Limited W; (3)Off Pin Input Voltage: -0.3V<V<VIN; (4)Output Voltage: -1 V; (5)Supply Voltage: 40 V; (6)Operating Junction Temperature Range Control Section Power Transistor, TJ: -40<TJ<85℃; (7)Storage Temperature Range, TSTG: -65 to 150℃; (8)Lead Temperature (Soldering 10 Sec.), TLEAD: 260℃.

Features

LM2576S-ADJ features: (1)Guaranteed 3A Output Current; (2)High Efficiency; (3)Wide Input Voltage, up to 40V; (4)3.3V, 5V, 12V, 15V and Adjustable Output Versions; (5)Thermal Shutdown and Current Limit Protection; (6)Requires only 4 External Components; (7)Low Power Standby Mode < 200μA Typical; (8)Shutdown Capability (Standby Mode); (9)52kHz Fixed Frequency Internal Oscillator; (10)Uses Standard Inductors; (11)Pin-to-Pin Compatible with LM2576.