(China (Mainland))
Product Summary
The LM2575SX-5.0/NOPB is a switching regulator designed for use in buck or buck/ boost regulator applications requiring accurate output voltages over combined variations of line, load and temperature. The LM2575SX-5.0/NOPB greatly simplifies switching power supply design. The LM2575SX-5.0/NOPB has a maximum output current of 1A and the LM2575SX-5.0/NOPB is rated for 3A. The LM2575/6 series miniconverters include a switching regulator and compensation network all within the same package. Just add a choke, catch diode and two capacitors to obtain an efficient DC-to-DC converter. The current limit and thermal shutdown features of the LM2575SX-5.0/NOPB fully protect the device against overstress conditions.
Parametrics
LM2575SX-5.0/NOPB absolute maximum ratings: (1)Input Voltage Vin: 45 V; (2)On/Off Pin Input Voltage VON/OFF: -0.3 VON/OFF VIN V; (3)Output Voltage to Common (Steady State): -1 V; (4)Power Dissipation PD: Internally Limited W; (5)Thermal Resistance Junction to Ambient T0-220 TO-263: 50 56 ℃/W; (6)Thermal Resistance Junction to Case TO-220 TO-263: 2.0 ℃/W; (7)Operating Junction Temperature Range TJ: -40 to +125 ℃; (8)Storage Temperature Range Tstg: -65 to +150 ℃; (9)Lead Temperature (Soldering)10 Sec. Tlead: 300 ℃; (10)ESD Rating (Human Body Model)VESD: 2 kV.
Features
LM2575SX-5.0/NOPB features: (1)Pin for pin replacement for National LM2575/6 series; (2)DC-to-DC buck or buck/boost converter requiring only 4 support components; (3)Fixed or adjustable voltages; (4)Preset output voltages of 3.3V, 5V and 12V; (5)Wide output voltage range, 1.23V to 35V; (6)82% typical efficiency @ 5V out; (7)Wide input voltage range, 4V to 40V; (8)Inhibit/enable control pin; (9)Industrial temperature range; (10)T0-220 and TO-263 packages.
Diagrams
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 LM2575SX-5.0/NOPB |
National Semiconductor (TI) |
Switching Converters, Regulators & Controllers 1A STEP-DOWN VLTG REG |
Data Sheet |
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