 | Author | Message | | | jojolucky | | Posted: Mon Dec 26, 2011 1:18 am Post subject: LM2576HVSX-ADJ | | | | Joined: 12 Apr 2008 Posts: 299 | The [url-http://antech.member.seekic.com/product_center/LM2576HVSX_ADJ.html]LM2576HVSX-ADJ[/url] regulator is a monolithic integrated circuit that provides all the active functions for a step-down (buck) switching regulator, capable of driving 3A load with excellent line and load regulation. The LM2576HVSX-ADJ is available in fixed output voltages of 3.3V, 5V, 12V, 15V, and an adjustable output version. The applications of the LM2576HVSX-ADJ include Simple high-efficiency step-down (buck) regulator, Efficient pre-regulator for linear regulators, On-card switching regulators, Positive to negative converter (Buck-Boost).
ParametricsLM2576HVSX-ADJ absolute maximum ratings: (1)Maximum Supply Voltage: 63V; (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℃ to +150℃; (6)Maximum Junction Temperature: 150℃.
FeaturesLM2576HVSX-ADJ 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. | |
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