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LM3489 Datasheet(PDF) 7 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part # LM3489
Description  Hysteretic PFET Buck Controller with Enable Pin
PDF  15 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM3489 Datasheet(HTML) 7 Page - National Semiconductor (TI)

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Typical Performance Characteristics All curves taken at VIN = 12V with configuration in typical
application circuit shown in Application Information section of this datasheet. T
J = 25˚C, unless otherwise
specified. (Continued)
Efficiency vs Load Current
(V
OUT = 3.3V, L = 22µH)
V
OUT Regulation vs Load Current
(V
OUT = 3.3V, L = 22µH)
20186913
20186942
Efficiency vs Load Current
(V
OUT = 5V, L = 22µH)
V
OUT Regulation vs Load Current
(V
OUT = 5V, L = 22µH)
20186915
20186916
Power Up
(No Load, C
ADJ = 1nF)
Continuous Mode Operation
(V
IN = 12V, VOUT = 3.3 V, IOUT = 500mA)
20186957
20186918
www.national.com
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