參數(shù)資料
型號: LM2744
廠商: National Semiconductor Corporation
英文描述: Low Voltage N-Channel MOSFET Synchronous Buck Regulator Controller with External Reference
中文描述: 低壓N溝道MOSFET同步降壓穩(wěn)壓控制器與外部參考
文件頁數(shù): 6/22頁
文件大?。?/td> 663K
代理商: LM2744
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, V
= 5V, V
= 0.6V, V
= 1.2V
I
OUT
= 4A, C
SS
= 12nF, F
SW
= 300kHz
Switch Waveforms (HG Falling)
V
CC
= 3.3V, V
= 5V, V
= 0.6V, V
= 1.2V,
I
OUT
= 4A, C
SS
= 12nF, F
SW
= 300kHz
20106046
20106047
L
www.national.com
6
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