lm2746mxax National Semiconductor Corporation, lm2746mxax Datasheet - Page 5
lm2746mxax
Manufacturer Part Number
lm2746mxax
Description
Low Voltage N-channel Mosfet Synchronous Buck Regulator Controller
Manufacturer
National Semiconductor Corporation
Datasheet
1.LM2746MXAX.pdf
(24 pages)
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Typical Performance Characteristics
f
BOOT Pin Current vs Temperature for
SW
= 300kHz, FDS6898A FET, No-Load
V
Efficiency (V
Efficiency (V
V
CC
BOOT Voltage = 3.3V
CC
= 3.3V, f
= 5V, f
SW
SW
OUT
OUT
= 300kHz
= 300kHz
= 1.2V)
= 3.3V)
20147741
20147740
20147742
5
V
CC
Operating Current plus BOOT Current vs Frequency
f
BOOT Pin Current vs Temperature for
SW
= 300kHz, FDS6898A FET, No-Load
FDS6898A FET (T
V
Efficiency (V
CC
BOOT Voltage = 5V
= 3.3V, f
SW
OUT
= 300kHz
A
= 2.5V)
= 25˚C)
20147757
20147743
20147745
www.national.com
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