LM3578AN/NOPB National Semiconductor, LM3578AN/NOPB Datasheet - Page 12

• Manufacturer Part Number: LM3578AN/NOPB
• Description: IC REGULATOR SWITCHING 8-DIP
• Manufacturer: National Semiconductor
• Type: Step-Down (Buck), Step-Up (Boost), Inverting, Flybackr

Specifications of LM3578AN/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Current - Output: 750mA
• Frequency - Switching: 20kHz
• Voltage - Input: 2 ~ 40 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 8-DIP (0.300", 7.62mm)
• Current, Input Bias: 4 μA
• Current, Output: 750 mA
• Current, Supply: 14 mA
• Frequency, Oscillator: 20 kHz
• Package Type: DIP-8
• Regulation, Line: 0.003 %/V
• Regulator Type: Boost, Buck, DC-DC, Switching
• Temperature, Operating, Range: 0 to +125 °C
• Voltage, Input: 2 to 40 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Power - Output: -
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device
• Other names: *LM3578AN; *LM3578AN/NOPB; LM3578AN; LM3578N

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Typical Applications
(Continued)
V
V
V
I
f
R1 = 40 kΩ
R2 = 10 kΩ
FIGURE 15. Buck or Step-Down Regulator
o
osc
in
o
ripple
= 350 mA
= 5V
= 15V
= 50 kHz
= 10 mV
12
R3 = 0.15Ω
C1 = 1820 pF
C2 = 220 µF
C3 = 20 pF
L1 = 470 µH
D1 = 1N5818
00871106