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| SM72485 Datasheet, PDF (11/16 Pages) National Semiconductor (TI) – SolarMagic 100V, 150 mA Constant On-Time Buck Switching Regulator | |||
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FIGURE 4. SM72485 Example Circuit
Bill of Materials
Item
C1
C2
C3
C4
C5
D1
L1
Description
Ceramic Capacitor
Ceramic Capacitor
Ceramic Capacitor
Ceramic Capacitor
Ceramic Capacitor
Schottky Power Diode
Power Inductor
RFB2
RFB1
R3
RT
RCL
U1
Resistor
Resistor
Resistor
Resistor
Resistor
Switching Regulator
Part Number
TDK C4532X7R2A105M
TDK C4532X7R1E226M
Kemet C1206C474K5RAC
Kemet C1206C103K5RAC
TDK C3216X7R2A104M
Diodes Inc. DFLS1100
COILTRONICS DR125-221-R, or
TDK SLF10145T-221MR65
Vishay CRCW12063011F
Vishay CRCW12061001F
Vishay CRCW12063R30F
Vishay CRCW12063093F
Vishay CRCW12063163F
National Semiconductor SM72485
30142318
Value
1 µF, 100V
22 µF, 25V
0.47 µF, 50V
0.01 µF, 50V
0.1 µF, 100V
100V, 1A
220 µH
3.01 kâ¦
1.0 kâ¦
3.3 â¦
309 kâ¦
316 kâ¦
11
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