lm2744mtcx National Semiconductor Corporation, lm2744mtcx Datasheet - Page 6

• Manufacturer Part Number: lm2744mtcx
• Description: Low Voltage N-channel Mosfet Synchronous Buck Regulator Controller With External Reference
• Manufacturer: National Semiconductor Corporation

BOOT Pin Current vs Temperature for
BOOT Pin Current vs Temperature for
BOOT Voltage = 5V
BOOT Voltage = 12V
F
= 300kHz, FDS6898A FET, No-Load
F
= 300kHz, FDS6898A FET, No-Load
SW
SW
20106042
20106044
Frequency vs Temperature
Output Voltage vs Output Current
(F
set to 600kHz nominal)
(V
set to 1.2V nominal)
SW
OUT
20106060
20106056
Switch Waveforms (HG Rising)
Switch Waveforms (HG Falling)
V
= 3.3V, V
= 5V, V
= 0.6V, V
= 1.2V
V
= 3.3V, V
= 5V, V
= 0.6V, V
= 1.2V,
CC
IN
REF
OUT
CC
IN
REF
OUT
I
= 4A, C
= 12nF, F
= 300kHz
I
= 4A, C
= 12nF, F
= 300kHz
OUT
SS
SW
OUT
SS
SW
20106047
20106046
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