LM2576S-5.0

step-down voltage regulator, 3A, 3.3V, TO

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Price:: US $0.15~0.30 / piece [Get Latest Price]

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	US $0.15~0.30

PartNumber:: LM2576S-5.0

Brand:: National Semiconductor - NS | Pack: TO | 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: 2012-07-07

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Part Number:LM2576S-5.0
US $0.15 - 0.30
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Product Summary

The LM2576S-5.0 is a 3A step-down voltage regulator that provides all the active functions for a step-down (buck) switching regulator, capable of driving 3A load with excellent line and load regulation. These devices are avail-able in fixed output voltages of 3.3V, 5V, 12V, 15V, and an adjustable output version.Requiring a minimum number of external components,these regulators are simple to use and include internal frequency compensation and a fixed-frequency oscillator.; The LM2576S-5.0 series offers a high-efficiency replacement for popular three-terminal linear regulators.

Parametrics

LM2576S-5.0 absolute maximum ratings: (1)Maximum Supply Voltage: 45V; (2)ON /OFF Pin Input Voltage : -0.3V≤V≤+ Vin; (3)Output Voltage to Ground(Steady State) :-1V; (4)Power Dissipation : Internally Limited; (5)Storage Temperature Range :-65°C to +150°C; (6)Maximum Junction Temperature 150°C; (7)Minimum ESD Rating(C = 100 pF, R = 1.5 kΩ):2kV ; (8)Lead Temperature(Soldering, 10 Seconds) :260°C.

Features

LM2576S-5.0 features: (1)3.3V, 5V, 12V, 15V, and adjustable output versions; (2)Adjustable version output voltage range,1.23V to 37V (57V for HV version) ± 4% max over line and load conditions; (3)Guaranteed 3A output current; (4)Wide input voltage range, 40V up to 60V for HV version; (5)Requires only 4 external components; (6)52 kHz fixed frequency internal oscillator; (7)TTL shutdown capability, low power standby mode; (8)High efficiency; (9)Uses readily available standard inductors; (10)Thermal shutdown and current limit protection; (11)P+ Product Enhancement tested.