LM3524DN National Semiconductor, LM3524DN Datasheet - Page 20

• Manufacturer Part Number: LM3524DN
• Description: ENHANCED PWM CONTROLLER, 3524, DIP
• Manufacturer: National Semiconductor

Specifications of LM3524DN

• Frequency: 350kHz
• Power Dissipation Pd: 1W
• Digital Ic Case Style: DIP
• No. Of Pins: 16
• Operating Temperature Range: 0°C To +125°C
• Svhc: No SVHC (15-Dec-2010)
• Operating Temperature Max: 125°C
• Base Number: 3524
• Controller Type: PWM
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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Typical Applications
L1 =
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25 turns No. 24 wire on Ferroxcube No. K300502 Toroid core.
FIGURE 21. Replacing R3/R4 Divider in Figure 20 with Reference Circuit Improves Line Regulation
FIGURE 22. Polarity Inverter Provides Auxiliary −15V Unregulated Output from Circuit of Figure 20
FIGURE 20. 15V, 0.5A Step-Up Switching Regulator
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