LM2575SX-5.0

1A, Step-Down, Voltage Regulator, TO263, 45V

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Price:: US $1.15~1.25 / piece [Get Latest Price]

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	US $1.15~1.25

PartNumber:: LM2575SX-5.0

Brand:: National Semiconductor - NS | Pack: DIP | D/C: 12+

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: 2012-09-25

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Part Number:LM2575SX-5.0
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Product Summary

The LM2575SX-5.0 regulator is a monolithic integrated circuit that provides all the active functions for a step-down(buck) switching regulator, capable of driving a 1A load with excellent line and load regulation. The LM2575SX-5.0 is available in fixed output voltages of 3.3V, 5V, 12V, 15V, and an adjustable output version. The applications of the LM2575SX-5.0 are Simple high-efficiency step-down (buck) regulator, Efficient pre-regulator for linear regulators, On-card switching regulators, Positive to negative converter (Buck-Boost).

Parametrics

LM2575SX-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): 2 kV; (8)Lead Temperature(Soldering, 10 sec.): 260°C.

Features

LM2575SX-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 1A 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.