LM2575S-5.0 SIMPLE SWITCHER 1A Step-Down Voltage Regulator
bridge rectifier circuit
,signal schottky diode
Stock List
| BYW96E | 4500 | PHILIPS | 12+ | SOD64 |
| DF08S/27 | 4500 | VISHAY | 16+ | SOP-4 |
| HT9170D | 4500 | HOLTEK | 16+ | SOP |
| KST2222AMTF | 4500 | FAIRCHILD | 16+ | SOT23 |
| L6562 | 4500 | ST | 16+ | SOP8 |
| LM1117MP-3.3 | 4500 | NS | 16+ | SOT-223 |
| LMC567CN | 4500 | NS | 14+ | DIP8 |
| MT8870DE | 4500 | MT | 16+ | DIP |
| SP208EEA | 4500 | SIPEX | 16+ | SSOP-24 |
| TDA7050 | 4500 | PHILIPS | 15+ | SOP-8 |
| TPN3021RL | 4500 | ST | 16+ | SOP8 |
| A1013 | 4520 | FSC | 15+ | TO-92 |
| ADM485JN | 4520 | AD | 12+ | DIP-8 |
| LMC6482IM | 4520 | NS | 16+ | SOP-8 |
| RTL8111B | 4520 | REALTEK | 12+ | QFN |
| TPA6017A2PWPR | 4520 | TI | 16+ | HTSSOP20 |
| LM1086IS-1.8 | 4555 | NS | 16+ | TO263 |
| VND830 | 4566 | ST | 16+ | SOP16 |
| L6563D | 4571 | ST | 16+ | SOP |
| LP324M | 4588 | NS | 16+ | TSSOP14 |
| SN75173D | 4613 | TI | 14+ | SOP-16 |
| 740L6000 | 4660 | FAIRCHILD | 16+ | DIP6 |
| AT24C16N-10SC-2.7 | 4666 | ATMEL | 16+ | SOP8 |
| BD9897FS | 4711 | ROHM | 15+ | SSOP32 |
| DS90CR215MTD | 4711 | NS | 16+ | TSSOP |
| MAX3223ECAP | 4711 | MAXIM | 15+ | SSOP20 |
| MP1542DK-LF | 4711 | MPS | 12+ | MSOP-8 |
| TLC271CDRG4 | 4711 | TI | 16+ | SOP8 |
| HMC1052L | 4719 | HONEYWELL | 12+ | QFN-16 |
| DR127-6R8-R | 4772 | COOPER | 16+ | SMD |
| LM1117MP-5 | 4775 | NS | 16+ | SOT-223 |
| TL071CP | 4777 | TI | 16+ | DIP8 |
| TDA4863G | 4778 | 16+ | SOP-8 | |
| BD438 | 4800 | ST | 16+ | TO-126 |
| DS1232LP | 4800 | MAXIM | 14+ | SOP8 |
| HPR8200 | 4800 | HP | 16+ | DIP4 |
| LM2903DR | 4800 | TI | 16+ | SOP8 |
| LM340T-5.0 | 4800 | NS | 15+ | TO-220 |
| LT1070HVCT | 4800 | LINEAR | 16+ | TO-220 |
| TLE7209-2R | 4800 | 15+ | SOP20 |
LM2575S-5.0 SIMPLE SWITCHER 1A Step-Down Voltage Regulator
Features
►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 1A 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 n Uses readily available standard inductors
► Thermal shutdown and current limit protection
► P+ Product Enhancement tested
Applications
► Simple high-efficiency step-down (buck) regulator
►Efficient pre-regulator for linear regulators
►On-card switching regulators
► Positive to negative converter (Buck-Boost)
General Description
The LM2575 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 1A load with excellent line and load regulation. These devices are available 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 LM2575 series offers a high-efficiency replacement for popular three-terminal linear regulators. It substantially reduces the size of the heat sink, and in many cases no heat sink is required.
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