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发布时间：2009-04-08 浏览：8221次
Datasheet:
LM2576.pdf
| • | 3.3V, 5V, 12V, 15V, and adjustable output versions |
| • | Adjustable version output voltage range, 1.23V to 37V (57V for HV version) ±4% max over line and load conditions |
| • | Guaranteed 3A output current |
| • | Wide input voltage range, 40V up to 60V for HV version |
| • | Requires only 4 external components |
| • | 52 kHz fixed frequency internal oscillator |
| • | TTL shutdown capability, low power standby mode |
| • | High efficiency |
| • | Uses readily available standard inductors |
| • | Thermal shutdown and current limit protection |
| • | P+ Product Enhancement tested |
General Description
The LM2576 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving 3A load with excellent line and load regulation. More...
| • | Simple high-efficiency step-down (buck) regulator |
| • | Efficient pre-regulator for linear regulators |
| • | On-card switching regulators |
| • | Positive to negative converter (Buck-Boost) |
Contact person:
Frances New
Phone:+86-755-81832961
Fax:+86-755-83299282
Email:sumzi@sumzi.com
MSN:sumzi-frances@msn.com
http://www.sumzi.com
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