LM2577M-ADJ/NOPB National Semiconductor, LM2577M-ADJ/NOPB Datasheet - Page 22

• Manufacturer Part Number: LM2577M-ADJ/NOPB
• Description: IC REG SIMPLE SWITCHER 24-SOIC
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r
• Type: Step-Up (Boost), Flyback, Forward Converterr

Specifications of LM2577M-ADJ/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 11.4 ~ 12.6 V
• Current - Output: 3A
• Frequency - Switching: 52kHz
• Voltage - Input: 3.5 ~ 40 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 24-SOIC (7.5mm Width)
• Package: 24SOIC W
• Minimum Input Voltage: 3.5 V
• Maximum Input Voltage: 40 V
• Switching Frequency: 48 to 56 KHz
• Operating Supply Voltage: 3.5 to 40 V
• Maximum Output Current: 3 A
• Output Type: Adjustable
• Output Voltage: 11.6 to 12.4 V
• Efficiency: 80(Typ) %
• For Use With: 551011367-061 - BOARD WEBENCH LM2577,LM2585/87
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: *LM2577M-ADJ; *LM2577M-ADJ/NOPB; LM2577M-ADJ

Application Hints
(Continued)
01146818
T1 = Pulse Engineering, PE-65300
D1, D2 = 1N5821
±
FIGURE 18. LM1577-ADJ/LM2577-ADJ Flyback Regulator with
Outputs
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