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LM3485MM Datasheet(PDF) 14 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LM3485MM
Description  Hysteretic PFET Buck Controller
PDF  15 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM3485MM Datasheet(HTML) 14 Page - National Semiconductor (TI)

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PCB Layout (Continued)
20034642
Top Layer
20034644
Bottom Layer
20034641
Silk Screen
C1: C
IN 22µF/35V EEJL1VD226R (Panasonic)
C2: C
OUT 100µF/6.3V 6TPC100M (Sanyo)
C3: C
ADJ 1nF Ceramic Chip Capacitor
C4: C
FF 100pF Ceramic Chip Capacitor
D1: 1A/40V MBRS140T3 (On Semiconductor)
L1: 22µH :QH66SN220M01L (Murata)
Q1: FDC5614P (Fairchild)
R1: 33K
Ω Chip Resistor
R2: 20K
Ω Chip Resistor
R3: R
ADJ 24KΩ Chip Resistor
FIGURE 7. Typical PCB Layout (3.3V Output)
www.national.com
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