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LM2744 Datasheet(PDF) 6 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LM2744
Description  Low Voltage N-Channel MOSFET Synchronous Buck Regulator Controller with External Reference
PDF  22 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM2744 Datasheet(HTML) 6 Page - National Semiconductor (TI)

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Typical Performance Characteristics (Continued)
BOOT Pin Current vs Temperature for
BOOT Voltage = 5V
F
SW = 300kHz, FDS6898A FET, No-Load
BOOT Pin Current vs Temperature for
BOOT Voltage = 12V
F
SW = 300kHz, FDS6898A FET, No-Load
20106042
20106044
Frequency vs Temperature
(F
SW set to 600kHz nominal)
Output Voltage vs Output Current
(V
OUT set to 1.2V nominal)
20106060
20106056
Switch Waveforms (HG Rising)
V
CC = 3.3V, VIN = 5V, VREF = 0.6V, VOUT = 1.2V
I
OUT = 4A, CSS = 12nF, FSW = 300kHz
Switch Waveforms (HG Falling)
V
CC = 3.3V, VIN = 5V, VREF = 0.6V, VOUT = 1.2V,
I
OUT = 4A, CSS = 12nF, FSW = 300kHz
20106046
20106047
www.national.com
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