LM2577SX-15/NOPB National Semiconductor, LM2577SX-15/NOPB Datasheet - Page 25

• Manufacturer Part Number: LM2577SX-15/NOPB
• Description: IC MULTI CONFIG 15V 3A TO-263-5
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r
• Type: Step-Up (Boost), Flyback, Forward Converterr

Specifications of LM2577SX-15/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 15V
• Current - Output: 3A
• Frequency - Switching: 52kHz
• Voltage - Input: 3.5 V ~ 40 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: TO-263-6, D²Pak (5 leads + Tab), TO-263BA
• For Use With: 551011367-061 - BOARD WEBENCH LM2577,LM2585/87
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: *LM2577SX-15; LM2577SX-15; LM2577SX-15

Application Hints
T1 = Pulse Engineering, PE-65300
D1, D2 = 1N5821
FIGURE 23. Line Regulation (Typical) of Flyback
Regulator of Figure 22, +15V Output
FIGURE 22. Flyback Regulator Easily Provides Dual Outputs
(Continued)
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A: Output Voltage Change, 100 mV/div
B: Output Current, 100 mA/div
Horizontal: 10 ms/div
FIGURE 24. Load Transient Response of Flyback
Regulator of Figure 22, +15V Output
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